Plant 3 should be removed to prevent it from being malnourished and is denoted as option B.
What is Photosynthesis?This is the process in which green plants manufacture their food in the presence of sunlight.
The light is not absorbed but reflected as a result of the chlorophyll(green pigment) which is why the plant will be malnourished.
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explain the concept of mutation and how mutations can translate to a loss or gain of function in an organism
Discuss the effect of caffeine administration on the frequency of Daphnia heart contractions? How does this effect change with increasing the dose of caffeine?
Answer:
Discuss the effect of caffeine administration on the frequency of Daphnia heart contractions? How does this effect change with increasing the dose of caffeine?
A student wants to determine how his classmates feel about school. He does a survey away from school so all participants will be willing to answer freely. In several cases, younger siblings of his classmates are present, so he lets them take the survey too. He surveys a total of 50 students. Has he done a well-designed, controlled experiment
Answer:
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What is the correct order of the levels of organization in animals from smallest to largest?
Answer:
Molecules, cells, tissue, organ, organ system, organism, population, community, ecosystem, and biosphere are in the correct order of the organization's levels.
Explanation:
Molecule: Atoms, the smallest unit of chemical elements are built up of molecules. You can find it in any matter, whether it lives or not. The most fundamental structures of biological creatures are molecules. Biochemistry and molecular biology are two biological fields focused on this level.
Cell: A cell is the basic unit of life. Two types of cells exist plant cells with a stiff cell wall consisting of cellulose molecules and animal cells with a flexible cell membrane. Cell biologists examine problems like metabolism and other structure and functional questions within and between cells.
Tissue: Tissue consists of cells working together to accomplish a goal. Some tissues include muscle, connective tissue, and neural tissue. Examples of biologists working at this level are histologists.
Organ: An organ is a tissue system that works at bigger scales together to perform specified work in the body of an animal. Brain, heart, and lungs are examples of organs. Anatomy is an example of a specialty in biology which concerns this level.
Organ system: An organ system is a group of bodies that work together to fulfill certain activities of the body. Air systems are used to inhale oxygen and release carbon dioxide in animals, for example, by the lungs, respiratory tract, and muscles. The function of the corpus when working jointly is studied by physiologists. Although physiologists can work at any level, they commonly address queries about organ systems.
Organism: An organism is an autonomous and recognized person. The organisms might be single-cell or multi-cell organisms consisting of organisms and organ systems, as well as bacteria, amiable, or creatures. An example of a multi-cellular organism is a human being.
calculate fcr on chicken ??
Answer:
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Which is the main light-absorbing pigment for photosynthesis?
O carotene
O chlorophyll
O hemoglobin
O anthocyanin
Answer:
ChlorophyllExplanation:
Chlorophyll, the primary pigment used in photosynthesis, reflects green light and absorbs red and blue light most strongly.
In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll.
Answer:
B) Chlorophyll
Explanation:
The chloroplasts, which contain the green pigment chlorophyll, are where photosynthesis takes place. Chlorophyll is the pigment that gives plants their distinctive color. It works by collecting the energy in the sunlight that strikes the plant. Because grass requires photosnthesis to create glucose, which is required for growth inside the grass, photosynthesis is critical to life on Earth. As a result, creatures that eat the grass get energy, and so on. As a result, photosynthesis is the mechanism through which energy is introduced into an environment.
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3. What is the term for movement of molecules from an area of relatively lower to higher concentration that requires energy?
passive transport
diffusion
active transport
osmosis
Why are these considered organic molecules
Answer:
A molecule of the kind normally found in living systems. Organic molecules are usually composed of carbon atoms in rings or long chains, to which are attached other atoms of such elements as hydrogen, oxygen, and nitrogen.
Explanation:
Applying: Given the following DNA sequence from the template strand of a given gene: 5'CTTGCGTCACCTGAGACCTGGCATCG3' a) Write the mRNA that will be transcribed from the DNA sequence above (be sure to label the 5' and 3' ends) b) Write the peptide sequence translated from the mRNA produced in part a.
Answer:
mRNA ⇒ 5´-CGAUGCCAGGUCUCAGGUGACGCAAG- 5´
Protein ⇒ N - MET PRO GLY LEU ARG - C
Explanation:
The first step before protein arrangement is to synthesize messenger RNA, mRNA. This is the transcription process and occurs in the nucleus. When the DNI molecule separates into two strands to form the transcription bubble, we can identify two separate segments: coding strand and template strand. The coding strand goes in direction 5´ to 3´, while the complementary strand -template strand- grows in direction 3´ to 5. This last segment is the one that is going to be complemented by the mRNA.
Once mRNA synthesis is over, the molecule leaves the nucleus to start the transcription process in the cytoplasm. The ribosome reads mRNA in the 5´ to 3´ direction, and, according to the codons that are being readen, tRNA transfers the correct amino acids to build the polypeptide chain. A codon is a short sequence of three nucleotides that store the genetic information for the aminoacids´ assembly. Each tRNA has two important sites. One of them that couples with the codon of the mRNA molecule, named anticodon. The other site couples with an amino acid. tRNA allows amino acids to align according to the nucleotidic sequence in the mRNA molecule.
The protein is synthesized from the amino terminus to the carboxy terminus, adding amino acids to the chain according to the codon sequence in the mRNA. mARNs also have a start and end codon that are the signals of the synthesis initiation and finish. When the ribosome reaches the end codon, protein synthesis is over.
• The start codon is AUG and places near the 5´extreme of the molecule.
• The end codons are UAA, UAG, UGA.
Protein synthesis initiates in the AUG start codon -Metionin-, and ends when reaching either of the stop codons UAA, UAG, UGA.
When talking about amino and carboxy terminus, the word Terminus refers to the extremes of the polypeptide. The first extreme to be translated carries the amino-terminal group, while the other extreme carries the carboxy-terminus group.
Conventionally, proteins are written from left to right, beginning by the N-terminal extreme carrying the free amine group, and ending by the C-terminal extreme carrying the carboxyl free group. However, we need to know that the free amine group actually places at the end of a protein.
In the exposed example we have the following DNI template strand ⇒5'CTTGCGTCACCTGAGACCTGGCATCG3'
Transcription:
The template DNI strand is read in direction 3´→ 5´ to build the mRNA molecule in direction 5´→ 3´.
template DNI strand ⇒ 5'-CTTGCGTCACCTGAGACCTGGCATCG-3'
mRNA ⇒ 3´-GAACGCAGUGGACUCUGGACCGUAGC- 5´
Translation:
rRNA and tRNA read mRNA in the direction 5´→ 3´ to build the protein.
Start codon AUG -Metionin-, near the 5´ extremeEnd UAA, UAG, UGA.The first portion of mRNA is not read nor translated. This is the untranslated region (UTR), placed before the start codon.
mRNA ⇒ 3´-GAACGCAGUGGACUCUGGACCGUAGC- 5´
Remember that transcription occurs from 5´ to 3´ extremes, so we need to read the codons in this direction too, beginning on the 5´ extreme.
To make it easier, we can turn the mRNA direction, and write it from 5´to 3´.
mRNA ⇒ 3´-GAACGCAGUGGACUCUGGACCGUAGC- 5´
mRNA ⇒ 5´-CGAUGCCAGGUCUCAGGUGACGCAAG- 5´
Now, we need to find the initiation codon: AUG coding for Metionin.
mRNA ⇒ 5´-CG AUG CCA GGU CUC AGG UGA CGC AAG- 5´
Codons are separated by a space left between them. AUG is the start codon placed near the 5´ extreme.
Now, let us find the end codon, near the 3´extreme.
mRNA ⇒ 5´-CG AUG CCA GGU CUC AGG UGA CGC AAG- 5´
rRNA will read mRNA until it reaches UGA codon, which is the stop signal.tRNA will add amino acids from the start codon, not before.tRNA anticodons ⇒ UAC GGU CCA GAG UCC
Anticodons are separated by a space left between them.
Protein ⇒ N - MET PRO GLY LEU ARG - C
Each mRNA codon codifies for an amino acid. The start codon codifies for methionine. AUG= Met, CCA= Pro, GGU= Gly, CUC= Leu, AGG= Arg, UGA= Stop codon. The amino terminus is represented as an N and the carboxy terminus is a C. The first extreme to be translated carries the amino-terminal group, while the other extreme carries the carboxy-terminus group.
The frequency of a lethal allele in a population is greatest when it is: Group of answer choices dominant manifested in infancy recessive co-dominant
Answer:
recessive
Explanation:
A lethal allele is a gene variant associated with a mutation in an essential gene, which has the potential to cause the death of an individual. In general, lethal genes are recessive because these alleles do not cause death in heterozygous individuals, which have one copy of the normal allele and one copy of the allele for the lethal disease/disorder. In recessive lethal diseases, heterozygous individuals are carriers of the recessive lethal allele and can eventually pass the 'defective' allele on to offspring even though they are unaffected; whereas dominant lethal diseases are caused by dominant lethal alleles, which only need to be present in one copy to be fatal. In consequence, the frequency of recessive lethal alleles is generally higher than dominant lethal alleles because they can be masked in carrier individuals. Some examples of human diseases caused by recessive lethal alleles include, among others, Tay-Sachs disease, sickle-cell anemia, and cystic fibrosis.
The frequency of a lethal allele in a population is greatest when it is: C. recessive.
A lethal allele can be defined as an allele that is responsible for the death of a living organism, especially by preventing its development. Thus, a lethal allele causes a complete mortality in the living organism carrying it, in a hom-ozygous condition.
Basically, a lethal allele is recessive in nature because it is expressed in the phenotype of an organism. Some examples of diseases caused by lethal alleles in humans are:
Cystic fibrosisSickle-cell anemiaAchondroplasiaIn conclusion, a lethal allele that is recessive has the greatest frequency in a population.
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what is pathogenicity
Answer:
the property of causing disease
All theories are hypotheses, but not all hypotheses are theories. Francis wants to know if a specific hypothesis he is researching is a theory. Which describes how Francis would know the hypothesis is a theory?
He could restate the hypothesis as a fact and no longer an explanation.
He could determine whether the hypothesis is based on repeated experiments.
He could perform the experiment and adjust data to match the desired results.
He could design and perform a new controlled experiment to test the hypothesis.
Answer:
He could determine whether the hypothesis is based on repeated experiments.
Explanation:
A theory is a hypothesis that has been proven correct by many expirements.
Francis could design and perform a new controlled experiment to test the hypothesis to determine whether it is a theory. Therefore, the correct statement is option D.
What is a theory?A hypothesis is a scientific explanation for a phenomenon that is based on prior observation. However, a theory is a well-supported and widely accepted explanation for a natural phenomenon that has been tested and based on scientific fact.
A hypothesis has the potential to become a theory if tested through carefully designed and controlled experiments by collecting data needed for the experiment.
If the results of an experiment conducted by Francis are consistent with the hypothesis, the information can be used to develop a theory that can be used to explain a broader range of phenomena. However, if the results are not by the hypothesis, Francis cannot consider the hypothesis as a theory that must be supported by evidence.
Therefore, Francis needs to design and perform a new controlled experiment to test the hypothesis to determine whether it is a theory.
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climbers often bear big fruits True or false
Answer:
False
Explanation:
The climbers doesn't often bear big fruits. It gives small fruits and berries like Grapes, Kiwi, etc. Hence, your statement is incorrect (false).
Si el sobrino de mi papá tiene un hijo que viene siendo mío?
Answer:
yo creon q sobrino lejan
o
A solution that has a pH of 6.8
a. is acidic.
b. is basic.
C.
is alkaline.
d. has a neutral pH.
PLS HELPPPP
A solution that has a pH of 6.8
it is acidic as it has got ph value less than 7....But as it has got ph value near to 7 it is weak acidic..
Which of the following is not an example of where primary succession typically occurs?
After a fire
A retreating glacier
Emerging islands
Formation of new lakes
Answer:
After a fire
Explanation:
Primary succession is one of the two types of ecological succession in which a barren area of land (with no soil) is colonized by organisms called PIONEER SPECIES for the very first time.
Primary succession is characterized by a BARREN area that had no form of previous growth or colonization. These barren area can include a retreating glacier, an emerging islands or the formation of new lakes.
Note that, the succession that occurs AFTER A FIRE or any form of environmental disturbance is SECONDARY SUCCESSION.
Five more than the quotient of a number and eight is 42
Answer:
5+x/8=42
Explanation:
This is your answer to the equation.
If you want to solve it, then subtract 5 from both sides to get x/8=37. Then multiply both sides by 8 to get x=296
Hope this helps!! :)
Explain using the meaning of abiotic and your understanding of the characteristics of life.
Answer:
Abiotic simply means a non-living thing.
Therefore, my understanding of the characteristics of life are those things that show that something is living.
Things like:
Movement
Respiration
Nutrition
Irritability
Growth
Excretion
Reproduction
Death.
Assumptions: There likely are around 10,000 genes in the human genome. The population of the world is approximately 7,000,000,000 people. Assume each gene has only two alleles that do not mutate or change. How many possible genotypes are there
Answer:
Assumed Human Genome
The number of possible genotypes are:
= 1,400,000 genotypes
Explanation:
Assumed number of genes in the human genome = 10,000
Approximate world population of people = 7,000,000,000
The number of alleles in each gene = 2 without mutation
A genotype = 2 alleles
The total number of genotypes based on these assumptions = 5,000 (10,000/2)
Possible number of genotypes in the human population = 1,400,000(7,000,000,000/5,000)
que organismos tienen nutrición autotrofa
Which part of visible light transfers the most energy?
Gamma
ray
Ultra-
violet Infrared
Radio
Ah
X-rays Visible Microwave
O red
O blue
mmm
O green
O yellow
Wavelength (nm)
10-
10-
1
102
10-
10*
10°
1010
Frequency (Hz)
10%
10"
101
1015
101
10"
10°
107
Answer: It's most likely Gamma Rays.
Explanation:
1. Which of the following would classify a protozoan as an Amoebozoa?
A.)Having a pellicle B.)Movement by pseudopods C.)Having an oral groove D.)Having an endoplasm E.)Having an ectoplasm
2. Which of the following would be analogous to a sperm penetrating an egg?
A.)Plasmogamy B.)Mitosis C.)Germination D.)Meiosis E.)Karyogamy
3. Which of the following can infect the brain? A.)Euglena B.)Trichomonas
C.)Trypanosoma D.)Plasmodium E.)Giardia
4. Flukes and tapeworms are in the same phylum because they are which of the following? A.)Long B.)Thin C.)Round D.)Short E.)Flat
5. Which of the following is used to keep the protozoa from swelling?
A.)Endoplasm B.)Plasmalemma C.)Ectoplasm D.)Contractile vacuole
E.)Pellicle
Answer:
D.Having an endoplasmC. GerminationA. EuglenaC. RoundE. PellicleThe neurons that carry from the brain to the muscle are called ?
Answer:
Motor Neurons
Answer:
The neurons that carry messages to the muscles are called motor neurons.
the people who put together the factors of production to produce goods is called
Answer:
an entrepreneur or innovater
Which trait is totally determined by genes
Answer:
hair color is determined by genetics
Explanation:
Please name and briefly explain two of the ways meiosis results in genetically unique daughter cells.
Answer:
Recombination and independent assortment.
Explanation:
Recombination and independent assortment in meiosis are the two ways of meiosis that results in genetically unique daughter cells. Recombination is also called crossing over that is the exchange of genetic material that occurs in the germ line. During crossing over, part of one daughter chromosome is exchanged with another that causes diversity whereas independent assortment refers to the allele a gamete receives for one gene does not influence the allele received for another gene.
Which of the following is true of crossing over? It involves the exchange of chromosome segments between homologous chromosomes. It occurs in meiosis I. It increases genetic variability. All of the choices are correct.
Answer: All of the choices are correct.
Explanation:
Meiosis is a type of cell division of the nucleus that occurs in cells that will give rise to gametes (egg or sperm). These are haploid cells (n), that is, they possess only one chromosome of each of the pairs (23 in total). Through meiosis from a diploid cell (2n), four haploid cells are obtained, thanks to two successive divisions called meiosis I and meiosis II. Both comprise prophase, metaphase, anaphase and telophase.
Homologous chromosomes are a pair composed of a paternal and a maternal chromosome. They have the same DNA sequence arrangement from one end to the other, but different alleles. These chromosome copies have the same genes at the same loci where they contribute tips along each chromosome that facilitate a pair of chromosomes to align correctly with each other before they separate during meiosis. Sister chromatids are those that make up a chromosome after duplication of the genetic material.
The homologous chromosomes of maternal and paternal origin, mate and this process is called "synapsis" and form what is known as a tetrad or bivalent chromosome, giving the impression that it is a chromosome with four chromatids. In these tetrads, junctions called chiasmata are formed, areas in which both homologues exchange genetic material or genes, a process known as crossing-over. The chiasmata allow the chromosomes to be held together until their separation in anaphase l. So, genetic recombination is the process by which a segment of genetic material from a maternal chromosome is cut and then joined to a paternal chromosome (or vice versa) during prophase I of meiosis. So it happens between non-sister chromatids of a paternal and a maternal chromosome.
After crossing over, the homologous chromosomes are arranged randomly at the cell's the equator of the cell at random (methaphase), facing each other, still united in the areas where crossing over occurred. Each chromosome is associated with a meiotic spindle fiber of the meiotic spindle and they are pulled along the meiotic spindle and driven toward the respective poles (anaphase). The chromosomes are now arranged at the poles and the reorganization of the nuclear envelope and the nucleolus begins. Finally, cytokinesis occurs and the rearrangement of cellular components and reorganization of the cytoskeleton. As a result of meiosis I, 2 haploid cells are obtained and then meiosis II occurs, where the sister chromatids are separated, generating two more cells (a total of 4).
Genetic variability is generated because the gametes produced during meiosis will not inherit the same chromosomes as the mother cell, but due to crossing over, the inherited chromosomes will be genetically different.
Which structures allow lycophytes to grow bigger than mosses and liverworts?
A. gametophytes and sporophytes
b. xylem and phloem
C. haploid and diploid
D. roots and stems
The structure that allows lycophytes to grow bigger than mosses and liverworts is xylem and phloem which is option B
Lycophytes are spore bearing vascular plants. Being a vascular plant, they possess vessels ( vascular tissues) which include:
ylem: this is used for conducting water usually from the root to the rest of the plant partsPhloem: this is the vascular tissue that is used to conduct food( sugar) produced in the leaves of plants to other parts of the plant.The possession of the vessels makes the lycophytes appear bigger.
Mosses and liverworts belongs to the plant phylum Bryophyta. They do not have any vascular tissues that can be used to conduct water and food. This restricts their size.
Therefore, the structure that allows lycophytes to grow bigger than mosses and liverworts is xylem and phloem
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Answer:
xylem and phloem
Explanation:
Lycophytes have specialized tissue that transports nutrients and provides structural support.
100 POINTS!!!!!! Help FAST!!!!!!!!!!!!!!The picture below shows the bone structures of human, cow, and horse.
Picture shows similar bone structures of human, cow, and horse.
Based on the diagram, which of these statements is correct about humans, cows, and horses?
They have developed from the same organism.
They have completed their evolutionary process.
Humans have evolved from several ancestors.
Horses have evolved from cows and humans.
Answer:
option A they have developed from the same organism
Explanation:
Organs of animals (belonging to different species) which have similar structure but different functions are homologous organs. Such organs have evolved from the same ancestors , however their function are different.
For example – wings of bats, limb of human etc.
Here in this case also the bone structures of human, cow, and horse are same but their functions are different, thus they are homologous organs and hence they have evolved from same ancestors.
The correct answer is option A
Answer:
"They have developed from the same organism."
Witch of the following is an example of a good hypothesis? A. The vinegar is the acid and the soap is the base. B. I think the glow sticks will be brighter in the hot water. C. When placed in hot water , sugar cubes will dissolve more slowly then granulated sugar. D. Hot water makes things disk faster.
