Answers
Answer:
the answer should be C
Explanation:
i say C because the ingredients for soil consist of different minerals, soil organic matter, living organisms, gas, and water. which is mainly organic but does have some inorganic material, but also the other answers just don't match up.
Hope this helps! :)
Related Questions
What does muscle physiology have to do with stress management?Many muscles in the body remain in a chronically contracted state because they are continuously receiving the message from the nervous system that they should be contracting in preparation for the fight or flight response. They do not receive the signal from the nervous system that the threat has passed and it is safe to relax.
Answers
Muscle physiology is involved in stress management as Tension in the muscles is almost a natural response to stress.
Tension in the muscles is almost a reflex response to stress—the body's defense mechanism against pain and injury. When stress occurs suddenly, the muscles tense up all at once and then relax after the stress has passed. The muscles in the body become more or less constantly guarded under chronic stress.
Due to the constant signal from the nervous system that they should be contracting in preparation for the fight or flight response, many body muscles remain in a chronically contracted state. They don't get the nervous system's signal that the danger is over and they can relax.
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FILL IN THE BLANK. Following the advice of his dietitian, Frank is going to start preparing/cooking at least one meal each day at home. To get Frank started, the dietitian suggested the following meal: garden salad (romaine lettuce, spinach, cucumbers, peppers, and onions), grilled salmon, and couscous, with an apple for dessert. This meal includes a lot of important nutrients. Specifically, the garden salad, quinoa, and apple contains -_soluble fiber_- which decreases LDL cholesterol, increases fullness (satiety), and increases gastrointestinal health and functioning. In addition, the grilled salmon can decrease the risk of cardiovascular disease because of its ____content, while promoting weight management as a result of its______content..
Answers
Following the advice of his dietitian, Frank is going to start preparing/cooking at least one meal each day at home and specifically, the garden salad, quinoa, and apple contain Polyunsaturated-_soluble fiber_- and which decreases LDL cholesterol, the grilled salmon can decrease the risk of cardiovascular disease because of its Omega-3 fatty acid content while promoting weight management as a result of its protein content..
Who is a Dietician?This refers to the term that is used to describe and define an expert in recognizing and treating disease-related malnutrition as well as conducting medical nutrition therapy, such as creating an enteral tube feeding schedule or minimizing the effects of cancer, is a dietitian, medical dietitian, or dietician. cachexia
Hence, it can be seen that the dietician gave Frank a diet to take to help him manage and reverse his medical condition.
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Based on the model of eukaryotic cell cycle regulation shown in the figure, which of the following best describes the effect of a drug that blocks the production of the mitotic cyclin?
Answers
The cell would stop dividing as mitosis would be stopped from occurring.
Higher eukaryotes have numerous cyclins and numerous protein kinases related to Cdc2 that control their cell cycles. These Cdc2-related kinases are known as "Cdks" (for cyclin-dependent kinases).
d) Because mitotic cyclins begin to accumulate while cells are in the G2 phase and when they reach their high concentration, they bind with the cyclin dependent kinases (CDKs) and form Mitosis Promoting Factor, which has an impact on the cell cycle by preventing the cell from entering mitosis and causing the cell to stop dividing (MPF). This compound aids the cell's entry into mitosis. Therefore, the MPF won't develop and the cell won't be able to enter the mitosis process if the mitotic cyclins are blocked.
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Complete Question :-
Based on the model of eukaryotic cell cycle regulation shown in the figure, which of the following best describes the effect of a drug that blocks the production of the mitotic cyclin? The cell cycle would proceed uncontrollably, and the cell would become cancerous. The G1 cyclin would functionally replace mitotic cyclin, and the cell would continue dividing normally. DNA synthesis would be prevented, and the cell would stop dividing. The cell would be prevented from entering mitosis, and the cell would stop dividing DOLL esc 2$ %23 4. 6. W. (12 G, Cyclin is Degraded cdk Activated G, Cyclin/odk - Complex cdk Mitotic Cyclin G2 cdk cdk Activated Mitotic G, Cyclin Cyclin/cdk Complex Mitosis Mitotic Cyclin is Degraded DI 24 7\ u
Flowering plants and bees have influenced each other’s evolution, providing an example of _______. The idea that life can develop from non-living things, _______, has been postulated in the Oparin-Haldane hypothesis and demonstrated to be possible in the Miller-Urey experiment. The idea that eukaryotes developed when prokaryotes were engulfed by other cells, called the _______, is supported by the fact that mitochondria and chloroplasts have their own DNA.
Answers
1. Coevolution.
2. Abiogenesis.
3. Endosymbiont Theory.
What do you mean by abiogenesis and coevolution?When two or more species' evolutions are mutually influenced by natural selection, this is known as coevolution. The phrase is occasionally used to refer to gene-culture coevolution as well as two features within the same species influencing one another during evolution. The natural process through which life has developed from non-living matter, such as straightforward organic compounds, is known as abiogenesis or the origin of life.
What does the endosymbiotic theory of eukaryotic cell genesis entail?According to the dominant explanation, known as the endosymbiotic theory, eukaryotes developed when an ancient Archaean cell fused with an aerobic, ancient bacterial cell (without actually eating it).
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the bacteria pseudomonas aeruginosa produces a protein that is secreted into its environment. the protein inhibits synthesis of elongation factor 2 (another protein) in humans. this effect may sound dangerous, but it has been considered as a possible treatment for hepatitis b. the protein produced by p. aeruginosa is a(n) endotoxin. exotoxin. biological weapon. biofilm.
Answers
The protein produced by P. aeruginosa is an exotoxin, which is a type of toxin that is actively secreted into the environment.
This exotoxin has the unique ability to inhibit the synthesis of elongation factor 2 (EF2) in humans. Although it may sound dangerous, this property has been considered as a possible treatment for hepatitis B due to EF2's role in the replication of the virus. In addition, the protein also has potential applications in cancer treatments. It is believed that the effect of the exotoxin can be used to prevent the growth of tumor cells. Therefore, this protein produced by P. aeruginosa is a useful therapeutic tool for various medical conditions.
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Meiotic drive is a phenomenon observed occasionally in which a heterozygous genotype does not produce a 1: 1 proportion of functional gametes, usually because one of the gametic types is not formed or fails to function. Suppose that an allele D shows meiotic drive such that heterozygous Dd genotypes form 3/4 D-bearing and 1/4 d-bearing functional gametes. What is the expected ratio of genotypes in the F2 generation of a monohybrid cross under the assumptions stipulated below? (Hint: Use Punnett squares.)
(a) The meiotic drive occurs equally in both sexes.
(b) The meiotic drive occurs only in females.
Answers
Answer:
Explanation:
To find the expected ratio of genotypes in the F2 generation of a monohybrid cross, you can use Punnett squares.
(a) If the meiotic drive occurs equally in both sexes, you can represent the cross as follows:
F1 generation:
DD x Dd
F2 generation:
DD Dd dd
DD Dd dd
In this case, the expected ratio of genotypes in the F2 generation is 1:2:1, which means that there is a 1/4 chance of producing a DD genotype, a 1/2 chance of producing a Dd genotype, and a 1/4 chance of producing a dd genotype.
(b) If the meiotic drive occurs only in females, you can represent the cross as follows:
F1 generation:
DD x dd
F2 generation:
DD Dd dd
DD Dd dd
In this case, the expected ratio of genotypes in the F2 generation is 3:1, which means that there is a 3/4 chance of producing a DD or Dd genotype and a 1/4 chance of producing a dd genotype.
the anticodon of a particular trna molecule is the anticodon of a particular trna molecule is complementary to the corresponding mrna codon. complementary to the corresponding triplet in rrna. the part of trna that bonds to a specific amino acid. changeable, depending on the amino acid that attaches to the trna. catalytic, making the trna a ribozyme.
Answers
Answer A is the right choice. A specific tRNA molecule's anticodon complements the corresponding mRNA codon.
The mRNA molecule's matching codon and the anticodon of the tRNA are complementary. As a result, complementary base pairing allows the tRNA to bind to the mRNA codon. The appropriate mRNA codon and the tRNA anticodon are hence complementary. A trinucleotide sequence called an anticodon is found at one end of a transfer RNA (tRNA) molecule and is complementary to a corresponding codon in an mRNA sequence.
The tRNA molecules are in charge of pairing amino acids with the proper codons in the mRNA. Each tRNA molecule has two separate ends; one of them attaches to a particular amino acid, while the other one binds to the appropriate mRNA codon.
Therefore, we might conclude that Answer A is the best option. The complementary mRNA codon of a particular tRNA molecule is its anticodon.
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question at position 16 when populations get very small, harmful alleles may be expressed in individuals more often because:
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When populations get very small, harmful alleles may be expressed in individuals more often because:
The gene pool becomes smaller and more limited: In a small population, there are fewer genetic variations present, which means that harmful alleles that may be present in the gene pool are more likely to be expressed in individuals.There is an increased risk of inbreeding: In a small population, there is a higher likelihood of inbreeding, which means that individuals are more likely to mate with close relatives. The effects of natural selection are weakened: In a larger population, natural selection can help to eliminate harmful alleles by favoring individuals with beneficial traits.This is why it is important for populations to maintain a certain level of genetic diversity, which can help to buffer against the negative effects of harmful alleles and preserve the overall health of the population.
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if tyrosine levels in a cns neuron were reduced, the synthesis of which of the following molecules might also be reduced
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If tyrosine levels in a CNS neuron were reduced, the synthesis of dopamine molecules might also be reduced.
Dopamine is a chemical ejected in the brain that causes euphoria. Having the appropriate amount of dopamine is essential both for your body and your brain. Dopamine assists nerve cells in communicating with one another.
Tyrosine is a nonessential amino acid the body produces from another amino acid called phenylalanine. It is an essential element for the production of many crucial brain chemicals known as neurotransmitters, which would include epinephrine, norepinephrine, and dopamine.
Because tyrosine aids in the production of the mood-altering chemical dopamine, and because individuals who are depressed frequently have low tyrosine levels, tyrosine can be given to treat depression
Tyrosine is thought to boost levels of the neurotransmitters dopamine, adrenaline, and norepinephrine. It may actually boost memory and effectiveness in stressful conditions by enhancing these neurotransmitters
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Complete question :
If tyrosine levels in a CNS neuron were reduced, the synthesis of which of the following molecules might also be reduced?
A: beta-endorphins
B: acetylcholine
C: GABA
D: dopamine
embryonic development gives us insights into evolutionary relationships not obvious in adults. t / f
Answers
True. Embryonic development gives us insights into evolutionary relationships that may not be immediately obvious in adults.
Through the study of embryonic development, scientists can trace the evolutionary history of various species and determine how certain characteristics have evolved over time. Through the use of genetic sequencing, scientists can trace the evolutionary relationships of species, and even determine how far back certain species have been separated from their common ancestor.
Through the study of embryonic development, scientists can also gain insight into how certain species have adapted to their environment over time and how certain characteristics have become more pronounced. Finally, the study of embryonic development can provide insights into how certain species have interacted with each other and how they are related to each other through shared evolutionary traits. By studying embryonic development, scientists can gain a better understanding of the evolutionary history of life on Earth.
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Which of the following is a characteristic of mitochondria that suggests that they might have evolved from free living bacteria? A. The plasma membrane of a mitochondrion, forming the surface of this organelle, is the site of many important steps of cellular respiration. B. Mitochondria have cell walls. C. Mitochondria have their own DNA. D. Mitochondria rely upon proteins as their source of energy.
Answers
C. Mitochondria have their own DNA. suggests that they might have evolved from free-living bacteria.
The majority of the chemical energy required to power the cell's biochemical reactions is generated by mitochondria, which are organelles of the cell that are bound by a membrane (mitochondrion, singular). A small molecule known as adenosine triphosphate (ATP) stores the chemical energy produced by the mitochondria.
Mitochondria and Chloroplasts Could Have Been Primitive Bacterial Cells: This is supported by compelling evidence. The endosymbiotic theory describes this evidence. They have their own transcriptional and translational machinery as well as their own DNA, which is circular like that of bacteria. Bacterial membrane components, mitochondrial ribosomes, and transfer RNA molecules are comparable. Bacterial membrane components, mitochondrial ribosomes, and transfer RNA molecules are comparable.
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compare and contrast the molecular mechanisms of membrane receptor-mediated and nuclear receptor-mediated signal transduction.
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To recap, intracellular receptors are inside the cell, whereas membrane receptors are attached to the cell's plasma membrane.
Intracellular receptors interact with ligands found within the cell, whereas membrane receptors interact with ligands found outside of the cell.
Signaling chemicals and the receptors on target cells to which they attach. Intracellular receptors, ligand-gated ion channels, G protein-coupled receptors, and receptor tyrosine kinases.
GPCRs and single-pass transmembrane proteins are the two most common types of transmembrane receptors. The transmembrane region of certain receptors, such as the nicotinic acetylcholine receptor, generates a protein hole through the membrane or surrounding the ion channel.
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complete the concept map by correctly placing the phrases or terms provided into the appropriate locations
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Volcano destroys all life on a temperate forest island--> primary --> pioneer species, Tornado disturbs a prairie ecosystem--> secondary--> pioneer species
The entire group of creatures and the natural setting in which they live together make up an ecosystem. Through nutrient cycles and energy exchanges, these biotic and abiotic elements are interconnected. Through photosynthesis, energy enters the system and is absorbed into plant tissue. Fishing will be impacted by how many species and ecosystems are affected by climate change. Invasion high rates of local extinction in the tropics and oceans can result from the displacement of marine species caused by warmer waters. Fishing can be negatively impacted by the sensitivity of molluscs, echinoderms, and corals that make up reefs to crustaceans and fish.
complete the concept map by correctly placing the phrases or terms provided into the appropriate locations?
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Which statement regarding VSM function and cytoskeletal dynamics is best supported by the data in Table 1?A. Vasoconstriction is associated with an increase in the ratio of F-actin to G-actin.B. F-actin levels decrease as phosphorylation of LC20 increases.C. Vasodilation does not affect phosphorylation levels of calponin.D. Arterial diameter reduction is always dependent upon increased calponin phosphorylation
Answers
Which statement regarding VSM function and cytoskeletal dynamics is best supported by the data in Table
A. Vasoconstriction is associated with an increase in the ratio of F-actin to G-actin.
Describe the cytoskeletal system.All eukaryotic cells and a large number of prokaryotic cells have cytoskeletal systems, which are networks of polymer. They serve as a means of information transmission and integration between cellular dimensions and aid in the transformation of a disorganized horde of macromolecules into a spatially structured, living cell.microtubules, intermediate filaments, etc. Myosin is frequently linked with microfilaments.
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A. public demand C. decreased public awareness Which of the following is the reason for the growing availability of free- range meats? B. cheaper prices for meat D. higher disease rates in try COWS
Answers
Answer:
Increasing Demand
Explanation:
Answer: public demand
Explanation:
choose the one alternative that best completes the statement or answers the question. which of the following is the opening at the base of the skull?
Answers
The foramen magnum allows access to the cranial cavity where the brain is located posteriorly.
The largest foramen of the skull is called the foramen magnum, which is Latin for "great hole." The most noticeable characteristic in the floor of this aspect of the cranial base is a huge central opening with an oval shape that is located in the deepest part of the posterior cranial fossa. It is contained within the anteromedian aspect of the occipital bone, specifically. The superior articular facets on the lateral masses of the atlas (vertebra C1) engage with the occipital condyles on the anterolateral edges of the foramen magnum, allowing nodding movements. The external occipital crest, a conspicuous ridge, also extends from the midline posterior boundary of the foramen magnum to the external occipital protuberance of the occipital bone.
Hence, opening provided to interconnected spinal cord and brain.
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The absorption of fats differs from that of carbohydrates in that _____.
A) fat absorption primarily occurs in the stomach, whereas carbohydrates are absorbed from the small intestine
B) carbohydrates need to be emulsified before they can be digested, whereas fats do not
C) most absorbed fat first enters the lymphatic system, whereas carbohydrates directly enter the blood
D) fats, but not carbohydrates, are digested by bacteria before absorption
Answers
The absorption of fats differs from that of carbohydrates because most absorbed fat first enters the lymphatic system, whereas carbohydrates directly enter the blood.
The lymphatic system is a network of small tubes and lymph nodes located throughout the body. These tubes are known as lymphatic vessels or lymph vessels. The lymphatic system is an essential component of our immune system.
Water-soluble nutrients, such as proteins, carbohydrates as well as certain vitamins and minerals, enter the bloodstream via capillaries and are transferred directly to the liver, where they are then transported to whichever organs and the body's tissues necessitate them.
Fats are absorbed through the villi and attempt to enter the lacteal, small lymph vessels known as lymph capillaries, where they become part of chyle, a milky fluid composed of lymph, fats, and free fatty acids. These fats are then transported into the bloodstream by lymphatic vessels.
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Insert the correct terms or phrases into the following sentences that compare DNA replication with transcription. Use this word bank: 3'-hydroxyl group, 5'-Phosphate group, DNA, DNA polymerase, DNA replication, Ligase, RNA, RNA polymerase, tRNA, transcription.
• In transcription, the goal is synthesis of _________________________
• In DNA replication, the goal is synthesis of _______________________
• RNA polymerase and primase both add nucleotides to a _____________________
• During ______________________, both strands of the DNA will function as a template.
• During ______________________, only one strand of the DNA will function as a template.
Answers
• In transcription, the goal is synthesis of RNA
• In DNA replication, the goal is synthesis of DNA
• RNA polymerase and primase both add nucleotides to a 3'-hydroxyl group.
• During DNA replication, both strands of the DNA will function as a template.
• During transcription, only one strand of the DNA will function as a template.
The biological process whereby a cell makes an RNA copy of certain DNA. The messenger RNA (mRNA) copy of this RNA carries the genetic material required for protein synthesis in a cell. It transports data from the DNA in the cell's nucleus to the cytoplasm, where proteins are produced.
Through the process of DNA replication, a double-stranded DNA molecule is copied to produce two identical DNA molecules. Because every time a cell splits, the two new daughter cells must have the same genetic material, or DNA, as the parent cell, replication is a crucial process.
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Which of the following is NOT an Ecological Role of Marsh Grasses?
a. Clean up detritus
b. Prevent shoreline erosion
c. Serve as refuge and nurser
d. Stabilize coastal sediments
e. Remove excess nutrients from runoff
Answers
Marshes are wetlands that are frequently or continuously inundated with water and are distinguished by emergent soft-stemmed flora that is adapted to soggy soil conditions. Thus, option E is correct.
What an ecological role of Marsh Grasses?Water quality is maintained by wetlands, and sediments can settle out of suspension because marsh grasses impede run-off. Excess nutrients are removed from the soil by marsh plants, while heavy metals can be removed from water by marsh mud. Wetlands aid in flood management and lessen storm-related erosion.
There are many distinct types of marshes, including freshwater and saltwater ones, coastal and inland, coastal and inland, from prairie potholes to the Everglades.
Therefore, to remove excess nutrients from run-off is not an Ecological Role of Marsh Grasses.
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please select the response below that best reflects the relationship between race and genetic variability
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race-specific genetic variation is greater than that between races.
Lewontin came to the following conclusion after conducting this analysis: "Since such racial categorization is now revealed to be of essentially no genetic nor taxonomic relevance either, no reason can be made for its persistence." Phase 1 of the The Human Genome Project (HGP) established that there is no genetic foundation for race and that there is more genetic variety within a race than between them, with the average human population of the world now being 99.9% genetically similar [2]. race-specific genetic variation is greater than that between races.The majority of the diversity (80–85%) among human populations is located within local geographic groupings, according to a seminal 1972 research by Lewontin, whereas variations related to traditional "race" groups make up just a small portion of human genetic differences (1–15%).
(Led by Richard Lewontin, the Human Genome Project found.....
A) More genetic variation within races than between races
B) More genetic variation between races than within races
C) Equal genetic variation for all groups
D) None of these)
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which of the following best explains the connection between energuy, growth, and the maintenance of an ordered system in teh experiment
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The connection between energy, growth, and the maintenance of an ordered can be described as grass requiring light energy to grow and maintain its ordered structure.
Energy is passed from the producers. Animals use the energy they get from their food to keep their bodies warm and carry out other metabolic tasks. During the process of cellular respiration, glucose, which is found in the food that animals eat, is broken down into an energy source called ATP. Order is maintained by coupling cellular processes that increase entropy (which results in changes to free energy that are negative) with those that decrease entropy (which results in changes to free energy that are positive). To maintain order and power cellular processes, energy input must be greater than free energy lost to entropy.
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Use the dropdown menus below to show the correct order in which you'll do things during the Antiseptics and Disinfectants exercise. Not all answer choices will be used. 2. [Choose) [Choose) Place paper disc onto nutrient agar plate Dip paper disc onto an antiseptic or disinfectant Swab surface of nutrient agar plate with bacteria Incubate nutrient agar plate Place antiseptic or disinfectant onto the agar.
Answers
The correct order of answer is:
a) Incubate nutrient agar plate
b) Place antiseptic or disinfectant onto the agar
c) Place paper disc onto nutrient agar plate
d) Dip paper disc onto an antiseptic or disinfectant Swab surface of nutrient agar plate with bacteria
An antibiotic is a particular type of antiseptic agent that combats microorganisms. Because they are the most efficient sort of antibacterial agent for doing so, antibiotic medications are frequently used in the treatment and prevention of bacterial illnesses. Bacteria can be eliminated or their growth can be stopped. Only a small number of antibiotics also possess antiprotozoal qualities. Antiviral medications, also referred to as antivirals, are prescribed pharmaceuticals that work to stop the spread of viruses rather than treating specific viruses like the flu or the common cold with antibiotic properties. Antifungal medications, which stop the spread of fungus, are also ineffective against fungi.
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What is most responsible for the presence of groundwater in an area?
Answers
Answer:
Explanation:
b
Answer:
Rainfall that has seeped through the soil's surface is what creates the groundwater that is found below the water table. Where the water table naturally meets the land surface, springs are created, enabling groundwater to rise to the surface and eventually flow into a river, lake, or stream.
Explanation:
Which of the following statements about sister chromatids is FALSE?A. They are identical copies.B. They are duplicated chromosomes.C. They are attached at their centromeres.D. They are separated during mitosis.E. They replicate during prophase,
Answers
Answer:
Correct answer is E
Explanation:
The sister chromatids replicate during the S phase(synthesis phase) , rather than prophase.
The sequence starts with : interphase G1 , interphase S, interphase G2 , then prophase during mitosis.
organism a has a linker dna length of 100 base pairs; organism b has a linker dna length of 60 base pairs. which of the statements about their 10 nm fibers will be true? group of answer choicesO Organism A will have larger "beads" than organism B O Organism A will have smaller "beads" than organism B O Organism A will have longer "strings" than organism O Organism A will have shorter "strings" than organism B O Their 10 nm fibers will look the same
Answers
The statement about their 10-nm-fibres will be true if organism A will have shorter "strings" than organism B.
Thus, the correct answer is D.
How to determine the 10-nm-fibres based on a linker DNA length?The human genome contains 3.42 × 10^9 base pairs. Eаch nucleosome is wound by аbout 146 bp of DNА. This nucleosome consists of а histone core consisting of four different histone proteins such аs H2А, H2B, H3 аnd H4.
Hence totаl stretch of DNА between 2 nucleosomes would be totаl DNА wound on а nucleosome + linker DNА which would be
Organism A: 146 + 100 = 246 bp.
Eаch such 246 bp would hаve а single nucleosome, hence the totаl number of nucleosomes would be
= 3.42/246 x 10^9 bp = 1.4*10^7
Organism B: 146 + 60 = 206 bp.
= 3.42/206 x 10^9 bp = 1.6*10^7
Thus, organism A has 1.4*10^7 shorter than organism B has 1.6*10^7.
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Traits exhibiting simple dominant or recessive inheritance are controlled by the expression of _____ set(s) of allelescodominance
One
invariant
heterozygote
homozygote
Answers
Traits exhibiting simple dominant or recessive inheritance are controlled by the expression of invariant set(s) of alleles codominance.
Trait of recessive inheritance is the one that first arises or is visibly displayed in the organism. They can easily manage the invariant expressions . Invariant sets are used to control the characteristics of a person. Codominance, as it associates with genetic characteristics, suggests a kind of heritage wherein two versions (alleles) of a comparative quality are conveyed freely to yield different attributes in an individual. That is, as opposed to one trademark being beating the other, the two characteristics appear, for instance, in a plant or animal that has more than one shade tone.
Codominance in individuals, one codominant characteristic that you can't actually see by taking a gander at an individual, yet many individuals are familiar themselves, is blood classification. Individuals with the Stomach muscle blood classification have one An allele and one B allele. Since the two alleles are communicated simultaneously, their blood classification is Stomach muscle.
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the squirting cucumber is diecious. the sexes are determined, not by heteromorphic sex chromosome, but by allele of two genes. the alleles at the two loci govern sexual phenotype as follow: M determines male fertility; m determine female sterility and f determines female fertility. in population of this plant, individual can be made male (approximately 50%) or female (approximately 50%). in addition, a hermaphrodite type is found, but only at very low frequency, the hermaphrodite has male and female organs on the same plant: (i) what must be full genotype of the male plant (ii) what must be the full genotype of the male plant (ii) what is the origin of the rare hermaphrodite?
Answers
Answer: The full genotype of a male plant in this population is MMFF. This genotype is determined by the alleles at the two loci that govern sexual phenotype: M (male fertility) and F (female fertility).
The full genotype of a female plant in this population is mmFF. This genotype is determined by the alleles at the two loci that govern sexual phenotype: m (female sterility) and F (female fertility).
The rare hermaphrodite plants in this population are most likely the result of mutations that occurred at one or both of the two loci that govern sexual phenotype. These mutations could have resulted in the expression of both male and female characteristics on the same plant.
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Two populations of lobsters do not mate because one population lives in the Atlantic Ocean and the other lives in the Pacific Ocean.
Temporal isolation
Habitat isolation
Gametic isolation
Mechanical isolation
Answers
Due to the fact that one population of lobsters lives in the Atlantic Ocean and the other in the Pacific Ocean, the two populations cannot marry. Habitat isolation is the result of the two distinct lobster populations' preference for various locations, which reduces the likelihood of them marrying. Option (2) is correct.
In a population, it acts as a barrier to gene flow. Because one population of flowers blooms in the early spring and the other in the late spring, there are no offspring between the two groups. Temporal isolation is a type of biological isolation that happens when the breeding seasons of two members of the same species diverge. Reproductive isolation is the name given to this sort of isolation since it is connected to the emergence of new species.
The position of the various types of shells in a male and female snail of different species prohibits mating from taking place, Mechanical isolation is present here. This is a form of isolation where the capacity to reproduce is hampered by variations in specific physical structures between either of the two species of organisms. The snails were therefore unable to mate because of their shell's orientation. Only the sperm and eggs are released by numerous populations of clams into the same lake area.
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Correct Question:
Two populations of lobsters do not mate because one population lives in the Atlantic Ocean and the other lives in the Pacific Ocean.
1. Temporal isolation
2. Habitat isolation
3. Gametic isolation
4. Mechanical isolation
Given year is positive, which expressions for XXX, YYY, and ZZZ will output the correct range? Choices are in the form XXX / YYY / ZZZ.
If XXX: Output "1-100"
Else If YYY: Output "101-200"
Else If ZZZ: Output "201-300"
Else: Output "Other"
a. year > 0 / year > 99 / year > 199
b. year > 0 / year > 100 / year > 200
c. year < 100 / year < 200 / year < 300
d. year < 101 / year < 201 / year < 301
Answers
Note that the given year is positive, the expressions for XXX, YYY, and ZZZ that will output the correct range is: "year > 0 / year > 100 / year > 200." (Option B). This is a Range Output exercise in programming.
What is range output?In the context of the above exercise, range output is a string that specifies a range of values for the variable "year". The output would depend on the value of "year", and there are four possible outputs: "1-100", "101-200", "201-300", or "Other".
The above option is correct because the first condition, year > 0, will cover all positive values of the year.
The second condition, year > 100, will cover all values between 101 and 200.
The third condition, year > 200, will cover all values between 201 and 300.
If the year is not within any of these ranges, the final Else condition will output "Other".
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Carbon dioxide, water, urea. different organisms have adaptations that allow them to remove cellular waste effectively. They vary according to
Answers
Adaptations are unique characteristics that allow animals to survive in their environment. There are three types of adaptations: structural, physiological, and behavioral.
Animals can live in their environment thanks to their special adaptations. Adaptations can be of three different types:
structural,
physiological, and
behavioral.
An animal's capacity to endure or even prosper in its surroundings might be influenced by its physical constitution. The camel species has evolved versatility in order to survive (or change). In order to construct houses, resist the elements, acquire food, stay secure, and attract mates, animals rely on their physical characteristics. Animals can defend themselves against predators and bad weather by adapting. Unlike weeds, insects, and other species that may alter their color to fit in, many birds can conceal themselves in the thick grass. As a result, when they are searching for food, predators have a hard time locating them.
The complete question is:
Different organisms have adaptations that allow them to remove cellular waste effectively. They vary according to___________ .
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