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Answer:
In plants, photosynthesis takes place in chloroplasts, contain the chlorophyll.
Explanation:
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Related Questions
One result of Costa Rica's commitment to conservation is that
A) destructive practices such as massive logging and large scale single-crop agriculture
have been nearly eliminated.
B) both protected park areas and the buffer zones around them have suffered only
negligible deforestation.
C) ecotourism generates many jobs and brings in a significant fraction of the country's
revenue.
D) about 95% of the country's land is protected in some way.
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One result of Costa Rica's commitment to conservation is that ecotourism generates many jobs and brings in a significant fraction of the country's revenue.
Many tourists visit the country's comprehensive national parks and conservation areas because of ecotourism. Costa Rica was a pioneer in this type of tourism and is regarded as one of the few countries with true ecotourism.
Costa Rica's ecotourism is world-renowned for excellent purpose. There are numerous exciting outdoor activities to select from. Hiking trails run through the national parks, enabling people to hike through a variety of ecosystems in a single day.
Ecotourism has also caused a rapid development of the labor market, both nationally and locally. Residents earn nearly twice as much in the tourism sector as they do in other industries. Donations from visitors have benefited local communities and schools.
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What is the main benefit of an upwelling in the ocean?
OA.
OB.
O C.
OD.
It creates strong tides in coastal regions.
It increases the salinity of the water in an area.
It brings new nutrients into an underwater region.
It wipes out an ecosystem, allowing for secondary succession.
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Answer: C.
Explanation:
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PLEASE HELP- Why should you wear a seatbelt using Newton’s third law
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A force is applied to the seat belt as the individual moves against it. The person is then subjected to force from the seat belt (Newton's Third Law). The person experiences a regulated deceleration as a result.
Use one of Newton's laws to explain why we should wear seatbelts in your response.Wearing seatbelts will prevent our bodies from continuing to move in the same direction and at the same speed as the car in the event of an accident. Our bodies would experience a new force to maintain their position.
Which Newtonian principle is applied in the creation of seatbelts?Because seat belts connect your body mass to the mass of the vehicle, when the vehicle accelerates or decelerates, And you do. Without seatbelts, Newton's First Law would affect your body without the help of the car.
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treatment for an ntd will depend on whether it is caused by a prokaryote or a eukaryote. in this section, place each organism in the appropriate bin.
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Eukaryotes frequently have several cells, but prokaryotes are invariably unicellular. Eukaryotic cells are also between 100 to 10,000 times bigger and more complicated than prokaryotic cells.
The most common infectious cause of blindness in the world is trachoma. Chlamydia trachomatis, an obligatory intracellular bacteria, is the culprit. Direct skin-to-skin contact, such as shaking hands, grappling, or other skin contact, is how MRSA is transmitted. The most common avoidable cause of blindness in the world is trachoma. 85% of those with active illness live in deprived parts of Africa, where trachoma occurrences are most common. Trachoma infection rates among children under 5 might reach 60% or higher in regions where the disease is widespread. Trachoma problems may be avoided with early treatment. Cataract. The most common cause of blindness globally and of vision loss in the United States is cataract, which is a clouding of the eye's lens.
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The first individual of the new species would be very unlikely to find a mate.
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According to the biological species concept, organisms belong to the same species if they can interbreed to produce viable, fertile offspring.
Major points. The biological species idea states that organisms may only interbreed and generate viable, fruitful offspring within their own species. Prezygotic and postzygotic barriers exist between species, preventing mating or the generation of viable, fruitful offspring. Hybridization is the mixing or breeding of organisms from two distinct species. Hybrids are the progeny that result from these mixtures. In the natural world, hybrids constitute a significant factor in evolution. When formerly interbreeding species can no longer mate and generate fruitful offspring, this is known as reproductive isolation. When individuals of comparable groups can no longer interbreed to generate fruitful children in their natural habitat, speciation takes place.
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FILL IN THE BLANK. if both parents are heterozygous for a gene, 1/2 of the time they will contribute a dominant allele to their offspring and 1/2 of the time they will contribute a recessive allele to their offspring. the phenotypes of the resulting offspring will be blank dominant and____recessive.
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If both parents are heterozygous for a gene, 1/2 of the time they will contribute a dominant allele to their offspring and 1/2 of the time they will contribute a recessive allele to their offspring. The phenotypes of the resulting offspring will be 50% dominant and 50% recessive.
In genetics, the term "heterozygous" refers to an individual who has two different alleles for a particular gene. For example, if one parent is heterozygous for a gene that determines eye color and has one dominant allele for brown eyes and one recessive allele for blue eyes, and the other parent is also heterozygous for the same gene with one dominant allele for brown eyes and one recessive allele for blue eyes, then each parent has a 50% chance of contributing either the dominant or recessive allele to their offspring.
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Categorize the following neurotransmitter/neuromodulator as to its ef belong to more than one category fect on the postsynaptic neuron. Some neurotransmitters may GABA Excitatory Inhibitory Glutamate 00-59-47 Dopamine Glycine Norepinephrine Nitric Oxide Acetylcholine Substance P
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A neurotransmitter is a signaling molecule secreted by way of a neuron to have an effect on any other cell across a synapse. The mobile receiving the sign, any major body element or goal cellular, can be any other neuron, but could also be a gland or muscle cell.
Excitatory Inhibitatory
Glutamate - Helps in learning and memory. GABA - Reduces the Activity of neurons.
Dopamine - When it binds to D1 receptors Dopamine - When it binds to D2 receptors.
Glycine Glycine
Norepinephrine - Raises heartbeat and alertness.
Nitric Oxide - Increases blood flow to the brain and reduces oxidative stress there.
Acetylcholine - Activates the motor neurons to move and control muscles.
Substance P - Activates the vomiting center in the Medulla, regulates mood disorders and stress in the body.
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avidin is a protein that binds extremely tightly to biotin. therefore, it is a potent inhibitor of biotin-requiring enzymatic reactions. consider glucose biosynthesis from each of the following substrates and predict which of these pathways would be inhibited by avidin. a. lactate b. oxaloacetate c. malate d. fructose-6-phosphate e. phosphoenolpyruvate
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The pathway that would be inhabited by avidin is lactate. Therefore, the correct answer is option A.
Biotin is the cofactor that's involved in the conversion of pyruvate to oxaloacetate with the help of the enzyme pyruvate carboxylase.
Lactate is formed when the rate of glycolysis is higher than the rate of oxidation. When that happens, the lactate is converted to form pyruvate with the help of the enzyme lactate dehydrogenase.
Lactate + NAD+ -----> pyruvate + NADH + H+
The pyruvate is then converted to form oxaloacetate in the presence of biotin.
Pyruvate + CO₂ + ATP + H₂O ----> Oxaloacetate + ADP + Pi + 2H+
Avidin binds tightly to the biotin. Thus avidin can inhibit the biosynthesis of glucose from lactate and its pathway.
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T/F: Kelps with air bladders are common along the western and northwestern Pacific coasts of the United States
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Kelps with air bladders are common along the western and northwestern Pacific coasts of the United States it is a true statement
The primary moisture-bearing and rain-producing air mass throughout the year is the maritime Tropical (mT). It moves toward the pole in the winter and is cooled by the earth's surface. As a result, it has low stratus or stratocumulus clouds, drizzle, and poor visibility.
Due to the high-pressure areas that are prominent there, warm, humid maritime tropical (mT) air develops over tropical and subtropical ocean waters. On the other hand, just south and east of the substantial winter oceanic low-pressure regions, cool, moist maritime polar (mP) air develops over the colder subpolar ocean waters.
Humans have long been concerned with forecasting and predicting future weather conditions as a result of the variability of weather phenomena.
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The correct answer is True with air bladders are common along the western and northwestern Pacific coasts of the United States.
The middle intertidal zone is where the tides ebb and flow twice daily and where a wider range of flora and animals, such as sea stars and anemones, may be found. The intertidal zone is home to a variety of creatures, many of which have evolved to thrive in this continuously shifting environment. Mollusks (clams and mussels) and arthropods (crabs) have shells to prevent drying out and being crushed against the rocks by waves. TRUE: The majority of soft-bodied creatures and marine algae live in the low tide zone. The majority of creatures with shells are located in the spray zone.
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The DNA polymerases are positioned over the following DNA segment (which is part of a
much larger molecule) and moving from right to left. If we assume that an Okazaki fragment is
made from this segment, what will be the fragment's sequence? Label it's 5' and 3' ends.
5' - ...CCTTAAGACTAACTACTTACTGGGATC... - 3'
3' - ...GGAATTCTGATTGATGAATGACCCTAG... - 5'
The bottom strand will serve as a template for the okazaki fragment, so the fragment's sequence will be:
5' - ...CCTTAAGACTAACTACTTACTGGGATC... - 3'
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The Okazaki fragment will use the bottom strand as a template, hence its sequence will be: 5' -...CCTTAAGACTAACTACTTACTGGGATC... - 3'
The largest subunit has polymerization activity. DNA polymerases position themselves on the next segment of DNA which is part of a much larger molecule and move from right to left. The active site of the enzyme has two parts. At the insertion site, nucleotides are added. After adding, the newly formed base pair migrates to the post-insertion site. There are five DNA polymerases identified in E.coli. All DNA polymerases differ in structure, functions, rate of polymerization, and processivity. DNA polymerase I remove the RNA primer by 5'→3' exonuclease activity and replace the primer by its lagging strand polymerase activity. Explore more. The replication process is a huge task and is important in maintaining the integrity of the genome.
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Bandura believes that self-reinforcement and self-punishment can work for people who are likely to feel ____ if they violate standards that they have set for themselves.
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Bandura believes that self-reinforcement and self-punishment are effective for people who are more likely to feel guilty for going against the standards they set for themselves.
Self-reinforcement and self-punishment are two strategies for managing and controlling our behavior. Self-reinforcement is the process of rewarding oneself for engaging in desired behaviors. This can include rewarding yourself with a special treat for a job well done, or it could be as simple as feeling a sense of pride or accomplishment for completing a task. Self-punishment, on the other hand, is the process of punishing oneself for engaging in undesired behaviors. This can be done by denying oneself a reward or pleasure, or by actually inflicting physical or psychological pain in response to one’s own behavior.
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Ingesting large quantities of bicarbonate prior to aerobic exercise results in all of the following except
A. Greater lactate tolerance
B. Decreased renal functioning
C. Improved endurance
D. Increased pH
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B. Decreased renal functioning. Prior to aerobic activity, consuming substantial amounts of bicarbonate has little effect other than on the kidneys' ability to operate.
Through the ERK1/2 pathway, quercetin increases insulin production & protects INS-1 pancreatic β against oxidative damage. The left ventricle of the heart is the area that adjusts the fastest to repeated endurance exercise. Chronic endurance exercise causes the left ventricle's myocardial wall thickness to thicken, its contraction force to rise, and the size of the ventricle's chamber to expand. Prior to aerobic activity, consuming substantial amounts of bicarbonate has little effect other than on the kidneys' ability to operate.The greatest method to translate the advantages of acclimatization into enhanced aerobic performance is to live and exercise at altitude. A recent study found that people with excess abdominal fat had a higher chance of developing heart disease and cancer than people with identical body mass indexes who carry their fat in other parts of the body.
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Besides increasing blood pressure and causing drinking, angiotensin II stimulates the release of ______, which is crucial to Na+ conservation
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Besides increasing blood pressure and causing drinking, angiotensin II stimulates the release of aldosterone.
A steroid hormone made by means of the adrenal cortex. It allows for managing the balance of water and salts within the kidney by using preserving sodium and liberating potassium from the frame. Too much aldosterone can purpose excessive blood strain and a build-up of fluid in body tissues.
In hyperaldosteronism, overproduction of the hormone aldosterone leads to fluid retention and improved blood pressure, weak point, and, rarely, periods of paralysis. Hyperaldosteronism can be a result of a tumor in the adrenal gland or can be a response to some illnesses.
Aldosterone reasons sodium to be absorbed and potassium to be excreted into the lumen through principal cells.
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In Drosophila, the allele red eyes (bw+) is dominant to the allele for brown eyes (bw). At another gene locus on the same chromosome, the allele for thin wing veins (hv+) is dominant to the allele for heavy wing veins (hv). Flies homozygous for bw and hv+ are crossed to flies homozygous for bw+ and hv to obtain doubly heterozygous F1 progeny. Given that these 2 gene loci are very closely linked, the phenotypic ratio in the F2 generation should be closest to a. 9 brown, thin: 3 brown, heavy: 3 red, thin: 1 red, heavy b. 3 red, thin: 1 brown heavy c. 1 brown, thin: 1 brown, heavy: 1 red, thin: 1 red, heavy d. 1 brown, thin: 2 red, thin: 1 red, heavy
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The phenotypic ratio in the F2 generation should be closest to the are d. 1 brown, thin: 2 red, thin: 1 red, heavy.
The alleles for eye shadeation and for frame shadeation are at the X chromosome of Drosophila, however now no longer at the Y.
Red eye shadeation (w+) is dominant to white eye shadeation (w), and tan frame shadeation (y+ ) is dominant to yellow frame shadeation (yDrosophila melanogaster has pink eyes. Scientists had been curious approximately the biosynthesis of the pink eye pigments and feature finished some of investigations on those compounds. Scientific contributions made during the last 50 years have stepped forward our know-how of the pink eye pigments.
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If a patient is having a hard time digesting a certain lipid known as triacylglycerol. What organ(s)
effect the digestion of this lipid? Why could this be happening?
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The biological and biosocial theories seem to have the most immediate promise in dealing with problems of _____
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The biological and biosocial theories seem to have the most immediate promise in dealing with problems of postpartum depression.
People of both sexes may have postpartum depression (PPD), also known as postnatal depression, which is a type of mood disorder connected to childbirth. Extreme melancholy, low energy, concern, weeping spells, irritability, and changes in eating or sleeping habits are just a few symptoms. Between one week and one month is the typical postpartum onset period. PPD can be harmful to a newborn infant as well.
Although the precise origin of PPD is unknown, a confluence of biological, psychological, genetic, and social variables is probably to blame. These could include things like hormone adjustments and lack of sleep.
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WILL MARK BRAINLIEST
The presence of the mineral iridium in Earth's rocks gives evidence to what events in Earth's history?
Question 3 options:
Solar storm activity
Increased volcanic eruptions
Asteroid impacts
Reversed polarity
Answers
The presence of the mineral iridium in Earth's rocks gives evidence to asteroid impacts. Option C
What is Iridium?The element that is called iridium is one of the elements that are contained in the earth's crust. Many of the isotopes of iridium have been found to be radioactive. This is why we can be able to talk about iridium as we are looking at the history of the earth.
The mineral iridium is often present in large amounts and has been part of the geological history of the earth. It has taken part in all the earth events that have been taken place over the geological time scale of the earth and this explains why a study of the element is important as we are looking at the geological timescales of the earth in which we live and carry out activities.
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name the cellular organelles and explain the function of each. be sure to include the the function of each type of er.
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An organelle is a subcellular structure that has one or more specific jobs to perform in the cell, just like an organ does in the body.
Single Membrane Bound Organelles vacuole,lysosome,golgi apparatus, endoplasmi reticulum are single membrane bound organelles present only in a eukaryotic cell. Double Membrane Organelle: Nucleus, mitochondria,and chloroplasts are double membrane organelles present only in a eukaryotic cell.The thirteen parts of an animal cell are vacuoles, cytoplasm,vesicles centrioles,ribosomes nuclear membrane,cell membrane,cytoskeleton,mitochondria,endoplasmic reticulum,nucleolus, golgi apparatus and nucleus.Nutrition transport,respiration excretion regulation,growth reproduction,synthesis and metabolism are vital functions or characteristics shared by living beings.In complex organisms like humans,tissues grow by simple multiplication of cells.
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There are two types of systems: open and closed. An open system is one in which energy can be transferred between the system and its surroundings. The stovetop system is open because heat can be lost into the air. A closed system is one that cannot transfer energy to its surroundings. Biological organisms are open systems.
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Biological organisms are open systems. Through the consumption of energy-storing molecules and the release of energy to the environment through labor, they exchange energy with their surroundings.
Energy is governed by the rules of physics, just like everything else in the physical universe. The movement of energy inside and between all systems in the universe is governed by the principles of thermodynamics. Cells are biological systems on their own. One way to think about systems is as having some degree of order open systems. A system needs energy to be brought into order. The lower the entropy, the more organized a Biological organisms.
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What is the difference between atomic composition and chemical structure?
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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?
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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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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
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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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[WIll give BRAINLIEST] What is one massive problem in the Savannah biome? What are 10 solutions to fix this problem?
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The Savanna biome is primarily composed of flat grassland plants and is a part of a wider grassland biome. There is one massive problem in this biome.
What is a massive problem in the Savannah biome and what are its solutions?Savannas are under threat all over the world because to human activity such as logging, construction, agricultural conversion, animal overgrazing, and introduction of non-native plant species. For instance, overgrazing by goats and cattle has mostly eliminated the vegetation that holds the soil in place in the drier regions of the African savanna. Desert-like conditions have resulted from this. Logging has had an impact on the majority of the longleaf pine savannas in the southeast of the United States. Some solutions to fix this problem are-
Respect and protect the grasslands in your area (many people think grassland habitats are not as important as forests or wetlands).Acquire knowledge on savannas and pass it on to others.Support organisations dedicated to conservation that save savannas and the creatures and plants that depend on them.Join a savanna restoration effort as a volunteer.Governments and environmental organisations fight against wildlife trafficking and poaching.The actions of humans, such as putting out wildfires and starting them in this ecosystem, which can kill numerous plants and animals if they get out of control, need to stop.Know more about Savanna biome at:
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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.
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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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FILL IN THE BLANK Back in the fossil field, you have discovered many fossils that are similar to Neko borgus. You notice, however, that the more recent Neko fossils tend to be larger than those that are more ancient. The most plausible conclusion is that __________.
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You have found a lot of fossils that are comparable to Neko borgus back in the fossil field. You observe, however, that more modern Neko fossils seem to be bigger than the ones that are more old. Neko having gone through directional selection is the most logical consequence.
The biological species idea states that organisms may only interbreed and generate viable, fruitful offspring within their own species. Does the Earth's fossil layering serve to assist evolution. Yes, because fossils are deposited in a chronological order, we can track changes in species across time. You have found a lot of fossils that are comparable to Neko borgus back in the fossil field. You observe, however, that more modern Neko fossils seem to be bigger than the ones that are more old. Neko having gone through directional selection is the most logical consequence.The similarity between ancient and modern animals can be demonstrated via fossils. demonstrating the creatures' long-term evolution. Individuals are considered to be members of the same species under the biological organisms concept if they can intermarry in the wild and result in live, fruitful offspring. Prezygotic & postzygotic barriers prevent the reproduction of individuals of different species.
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Consider the following independent pathways that control the background feather color in parakeets. The dominant A and B alleles specify functional enzymes A and B, respectively. The recessive a and b alleles do not specify any of the corresponding enzyme. Each enzyme completely coverts the colorless compound to a colored compound (yellow or blue), as indicated by an arrow. Mixture of yellow and blue compounds results in a green compound. EnzA Colorless Yellow Enz B Colorless Blue AaBb parakeet, one of whose parents is white (colorless), is crossed to aabb parakeet. If the two genes that control feather color are 10 m.u. apart, what proportion of the progeny would be yellow or blue? Give a numerical value in percentage (%). A certain disease is caused by a dominant mutant allele. (The wild-type allele is recessive. However, the penetrance of the disease is 50%. Two individuals known to be heterozygotes have a child. What is the probability that the child exhibits the disease? O 1/4 O 3/4 O 3/8
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The proportion of progeny that would be yellow or blue would be 40%.adn The probability that the child exhibits the disease is 1/2 in feather color in parakeets.
The most common type of parakeet is the budgerigar, which is known for its bright and varied feather coloration. The most common parakeet feather colors are green, yellow, and blue, but they can also come in a variety of shades and combinations of these three colors. The underlying color of the parakeet’s feathers is usually a yellow-green or olive, with the other colors being added by shading or by mutations. The mutations can be anything from the addition of a single stripe of color to the entire body being covered in a new hue. The most common mutations are the lutino, greywing, and cinnamon varieties, which feature yellow, grey, and brown as the dominant colors, respectively. Parakeets can also be found in other rare mutations, such as the pied, which features a random mix of colors, or the spangle, which features an even distribution of color throughout the body.
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homologous pairs of chromosomes align opposite to each other at the equator of a cell during . metaphase of mitosis telophase ii of meiosis metaphase ii of meiosis metaphase i of meiosis
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The homologous pairs of chromosomes align opposite to each other at the equator of a cell during are meiosis metaphase i.
During meiosis I, metaphase I occurs and chromosome pairs line up in the center of the cell. During meiosis II, metaphase II occurs and chromosomes are arranged in the center of the cell. The main difference is that chromosomes are paired in metaphase I and unpaired in metaphase II.
In metaphase I, homologous pairs of chromosomes align on either side of the equatorial plate. Then, in anaphase I, the spindle contracts and the two homologous chromatid pairs are pulled apart from each other and towards the poles of the cell. During telophase I, chromosomes are surrounded by the nucleus.
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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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Which of the following are abiotic factors that determine the organisms that can exist in marine environments?
O amount of oxygen and salt concentration
O amount of carbon dioxide and amount of decomposers
O amount of moisture and variety of consumers
O amount of algae and range of temperature
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Answer:
O amount of moisture and variety of consumersAbiotic factors include sunlight, temperature, moisture, wind or water currents, soil type, and nutrient availability.A mother with brown eyes (BB) has a child with a blue-eyed father (bb). Note: you may use answers more than once or not at all.
What is the probability that their child will have brown eyes?
What is the probability that their child will have blue eyes?
What is the probability that their child will be homozygous dominant?
What is the probability that their child will be homozygous recessive?
What is the probability that their child will be heterozygous?
Answers
The probability that their child will have brown eyes 50%. Thus, option A is the correct option.
What is heterozygous?According to the given information, the woman is heterozygous for blue eyes. It means that the blue eye color is a dominant trait over brown eyes since heterozygous carrier genotypes are present for dominant alleles only.
The allele for blue eye color is "B" and the one for brown eye color is "b". Therefore, the genotype of heterozygous woman would be "Bb" and the genotype of the homozygous recessive male would be "bb".
Therefore, A cross between Bb x bb gives following phenotype ratio = 50% brown eye : 50% blue eye. There is 50% probability of their child to have blue eye color.
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