Answer:
Genes and amino acid sequences.
Explanation:
The ancestor of whales and hippos are the same because of the same gene and amino acid sequence. The genes and amino acid sequences of living whales were the evidence that shows ancestry of whales and hippos. This evidence indicates that million of years ago both whales and hippos were split from a same ancestor due to evolution.
Select the TWO correct statements below regarding the two
graphs above. Take your time to get both right so you get this 4
point question correct.
SELECT ALL THAT APPLY
The graph on the left is called an
exponential curve.
The curve on the right is called a J-curve.
Time is plotted on the x-axis.
The graph on the right is the only
population growth model
Answer:
duofu9fhoditsExplanation:
dyidyiditcgksgztidulf96dhltizitxtisitxitsitst7dyid75figd7tydyixuofiy7d96dyidiydiydjgdiydThe aerobic cellular respiration (release of energy from food) of carbohydrates occurs in the
Answer:
Mitochondria
Explanation:
Mitochondria are energy-producing organelles in eukaryotic cells. They carry out a series of reactions that generate many molecules of ATP from the breakdown of sugars. This process is called aerobic respiration.
Order the following from largest to smallest:
chromosome
nucleus
nucleotide
DNA-histone complex
gene
cell double-helix
Explanation:
cell double-helix
gene
DNA-histone complex
nucleus
nucleotide
chromosome
Which shows a correct association between a structure and one of its functions? Pores receive sensory information. Oil regulates temperature. Vitamin D protects against bacteria. Sweat glands remove waste
Answer:
D
Explanation:
Sweat Glands remove waste
The sweat glands that eliminate wastage represent the right association between the structure and one of the functions
.
What is a sweat gland that eliminates waste?The sweat represents the fluid that comprises of mainly of water also there is much dissolved solid wastage that should be excreted via the sweet glands. It eliminates the excess water and salts also it served the function of colling the body at the time of thermoregulation.
Therefore, The sweat glands that eliminate wastage represent the right association between the structure and one of the functions
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The enzyme involved in the transcription of RNA molecules is:
O Pepsin
DNA polymerase
Codon
RNA polymerase
Answer:
RNA polymerase is the enzyme involved in the transcription of RNA molecules.
Which of the following elements are commonly found as part of biological macromolecules?
Answer:
Biological macromolecules are organic, meaning they contain carbon. In addition, they may contain hydrogen, oxygen, nitrogen, and additional minor elements.
Explanation:
A in Bio last year.
If you wanted you duplicate conditions in a laboratory that produced metamorphic rocks what would you need to do
Apply high pressure to the rock. Apply high temperature to the rock. Apply high temperature and pressure to the rock.
Describe the chemical and physical structure and parts of a gene.
Which monosaccharides make up sucrose?
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Identify the nitrogenous base NOT present in RNA.
Adenine
O Thymine
O Guanine
Cytosine
Answer:
Thymine
Explanation:
Uracil is the nitrogenous base present only in RNA, but not in DNA. ... DNA have thymine, guanine, adenine and cytosine. Thymine is replaced by uracil in RNA.
Who is Thomas Malthus? Select the TWO correct answer to get
this question correct.
SELECT ALL THAT APPLY
A poet from England
A thinker from England
A political leader from Germany
Someone who studied astronomy and
population
Someone who studied economics and
politics
Someone who studied politics and
astronomy
Answer:
someone who studies economics and politics and i think a poet from england or thinker from england so choose wisely.
how are underwater ecosystems affected by tidal waves
Answer:
A tidal wave is a shallow water wave caused by the gravitational interactions between the Sun, Moon, and Earth. ("Tidal wave" was used in earlier times to describe what we now call a tsunami.) A tsunamis is an ocean wave triggered by large earthquakes that occur near or under the ocean,...
i think
Why is soil erosion important to agriculture?
Answer:
because without soil we wouldn't be able to grow our food.
A fish of genotype a/a ; B/b is crossed with a fish whose genotype is A/a ; B/b. What proportion of the progeny will be heterozygous for at least one of the genes
Answer:
Proportion of heterezygous progeny = 3/4
Explanation:
According to Mendel's law of independent assortment which states that the alleles of two (or more) different genes get sorted into gametes independently of one another. This means that the allele a gamete receives for one gene does not influence the allele received for another gene.
Gametes produced by the fishes assuming independent assortment:
Fish 1 = aB, ab, aB, ab
Fish 2 = AB, Ab, aB, ab
Progeny from cross:
aBAB, aBAb, aBaB, aBab
abAB, abAb, abaB, abab
aBAB, aBAb, aBaB, aBab
abAB, abAb, abaB, abab
Proportion of heterezygous progeny = 12/16 = 3/4
6. How are winds in the northern hemisphere differen
from winds in the southern hemisphere?
Answer:
Generally, prevailing winds blow east-west rather than north-south. This happens because Earth's rotation generates what is known as the Coriolis effect. The Coriolis effect makes wind systems twist counter-clockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere.
Explanation:
Which of the following is not a true polymer? Dna, cellulose, fat, protein
Answer:
cellulose
Explanation:
it is not the true polymer
Answer:
cellulose
-hope this helped
Which government agency would you expect to be most concerned with the impacts of pollution?
a. Environmental Protection Agency (EPA)
b. Food and Drug Administration (FDA)
C. Bureau of Land Management (BLM)
d. Department of Fish and Wildlife
Answer:
a the Environmental Protection Agency EPA has jurisdiction over all pollution matters
The Environmental Protection Agency (EPA) will be most concerned with the impacts of pollution. Thus, the correct option is A.
What is Pollution?Pollution may be defined as the presence of toxic substances in the environment which are harmful and poisonous to human health and animals to a larger extent.
The Environmental Protection Agency (EPA) has the administration and control over any consequences which are associated with pollution and its derivatives.
Therefore, the correct option is A.
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Ahemisphere is ______ of the Earth
A. one-half
B. one-third
C. two-thirds
D. three-quarters
Answer:
A. one half
Explanation:
the earth is divided into the northern and southern hemisphere.
A plant is the most balanced need for water within its need for carbon dioxide and oxygen. It’s too much water is lost, the stomata will close. How does this affect the plants ability to regulate levels of carbon dioxide and oxygen?
Answer:
it helps regulate them and keep them level going through the state of transpiration
Explanation:
to prevent too much water lost a plant will close it's stoma to store that water, this process is called transpriation. if the stoma is open it will dry out the plant.
so a plant losing water in reaction they will close their stoma which is homeostasis, homeostasis is balance. so for example u go through homeostasis when it's hot outside it results in u sweating, why? cause your body is trying to cool down and regulate it's self.
define Vasoconstriction
in a way a elementary kid would understand
Vasoconstriction occurs when the blood vessels tighten, which causes the blood flow to slow down.
Our solar system is in the _______ arm of the Milky Way galaxy, 28,000 light years from its center.
Answer:
Orion arm
Explanation:
List five organelles eukaryotes have that prokaryotes do not have. ( 5pts)
Answer:
Lysosomes and peroxisomes, Microtubules, Endoplasmic reticulum, Mitochondria, and Cytoskeleton
Explanation:
The characteristics that eukaryotes have are lysosomes, mitochondria, nucleus, ribosomes, and endoplasmic reticulum.
What are eukaryotes?Eukaryotes are lifeforms with nuclei and other membrane-bound organelles. Eukaryotic organisms include all animals, plants, fungi, and protists, as well as the majority of algae.
Prokaryotic organisms are the ones lacking a well developed nucleus. They do not possess lysosomes, mitochondria, nucleus, ribosomes, and endoplasmic reticulum.
Thus, these are five organelles that are present in eukaryotes but are absent in prokaryotes.
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How does Meg use the ultimate boon to conquer the power of IT
Answer: She discovers the power of love to fight the darkness of hate
Explanation:
In the book, A Wrinkle in Time, siblings Meg Murray and Charles Wallace along with their friend Calvin O'Keefe embark on a journey to a planet under the control of a dark force known as IT.
When they get there Charles is captured but the rest manage to escape and now Meg has to go back to save her brother. In the process of saving him she discovers that she must use the power of love for her brother to fight and conquer the darkness of hate that the IT possesses. When she does so she is able to free her brother and they escape together.
please help :(( How many Phosphorus atoms are in the chemical equation H3PO4
A. 4 Phosphorus atom
B. 1 Phosphorus atom
C. 12 Phosphorus atom
D. 3 Phosphorus atom
After Pedro had breakfast, he went for a run. Identify at least three energy transformations that had to take place to allow Pedro to complete his run. Then use evidence to support the claim that energy in this system was conserved as it was transformed.
Answer:
When Pedro ate breakfast, he consumed chemical energy. Chemical energy is a form of potential energy and that potential energy was stored in his breakfast. When he went out for a run, the chemical energy transformed into mechanical energy, which is a form of kinetic energy. The mechanical energy then transforms into thermal energy when he is running. While running his temperature started to rise which caused him to sweat. The energy in his system was conserved as it was transformed because the energy was constant. When the energy was being transformed between different types, the total amount of energy remained the same.
Explanation:
you can switch up the words if you want !
Question 4 of 5
Which phrase best describes the particles in a solid?
A. Completely still
B. Closely packed
C. Sliding around
D. Very far apart
Answer for 25 points also I’ll mark you as the brainiest ! For the quickest answer.
Answer:
The Fourth Point (between 4 and 5)
You find the optimal pH by looking for the pH with the highest activity.
Explanation:
The optimal ph is basically where the enzyme has THE MOST activity.
The fourth point of the pH, and activity is the optimal pH because it has the most activity out of the nine points.
You are studying three populations of an endangered species of toad that used to be common in the California central valley. Global warming has caused this species to retreat to higher elevations in recent decades where it stays cooler; the toad used to be found throughout the valley, but is now restricted to the tops of three mountains. Historical records indicate that there used to be hundreds of thousands of toads in the central valley, but sampling the mountaintops reveals that the toad population on each is now limited to a few hundred individuals. You survey allozyme diversity at one locus on each of the three mountaintops and find that each population is fixed for a different allele of the ribbit gene: mountain #1 is fixed for the A1 allele, mountain #2 for the A2 allele, and mountain #3 for the A3 allele. The average number of baby toads born in each population is the same, and the environment on each mountaintop is very similar, as far as your data show.
Explain why each population is fixed for a different allele.
Sentence 1: Describe the variability that was initially present in each of the populations.Sentence 2: State which individuals had the highest fitness in a given population, or why fitness is not an issue if that is your conclusion.Sentence 3: Explain what evolutionary force acted on the population(s), and why and how it acted.Sentence 4: Describe how the populations evolved in response to their changing environment. Be as specific as you can (e.g., say "increased" or "decreased", rather than just "changed".)
Answer:
Explanation:
The allele are fixed because there is no variation that exist in the population and the allele are almost completely the same hence no new combination of gene the same Allele will continue to reoccur
Variability exist because of random mating that occurs in the population initially when the toad filled up the entire central valley
Random mating ensures fitness in the initial population
Genetic drift acted upon the population drifting away allele that are very few in population or that occur less in the population and perpetuating alleles that frequently occur leading to a fixed allele.
There was a decrease in the population as a result of the change in the environment.
Marissa pedals her tricycle down the sidewalk. At what age was she likely first able to pedal? (2 points)
A.One year old
B.Two years old
C.Three years old
D.Four years old
Answer:
three years old i think. sorry if its wrong
What is the benefit of diversity in a gene pool?
increased chance of migration.
increased chance of equilibrium.
increased chance of extinction.
increased chance of survival.
Answer:
Increased Chances of Survival
Explanation:
Genetic diversity we could say as Variation in a gene pool and it serves as a way for populations to adapt to changing environments, So if there is any environmental change, With more variation it more likely that some individuals will have variation of allele in them that suits the change so they will have brighter chances of surviving.
An increased chance of survival is the benefit of diversity in a gene pool.
Increased Adaptability: A broad gene pool produces a population with a wider range of genetic features and variants. Due to this diversity, there is a greater chance that an individual may have favorable qualities that will allow them to adapt to shifting environmental factors like temperature, resource availability, or the prevalence of diseases. Individuals with genetic variants that are advantageous in the altered environment are more likely to survive and pass on their genes to succeeding generations.
Better Resilience: A diversified gene pool acts as a defense against potential dangers and difficulties. A population with a diverse range of genetic variations is more likely to have some members who are immune to or resistant to particular illnesses, predators, or other stressors.
Hence, an increased chance of survival is the benefit of diversity in a gene pool.
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