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Anon25 [30]
3 years ago
9

Question 3

Biology
1 answer:
Ket [755]3 years ago
7 0

Explanation:

i thank it is a maybe I not sure

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Using concepts of Mendelian genetics and natural selection explain the increase in the phenotype frequency for black fur from th
jasenka [17]

Answer:

Black fur is more fit to survive in the environment than other colors of fur.

Explanation:

"Fitness", in terms of natural selection, is an organism's likelihood to survive in a given environment. Assuming that the increase in black fur is significant (Not attributable to pure chance), we can safely assume this is because Black Fur provides a competitive advantage in said environment over other colors of fur. There may be black terrain that allows them to blend into the environment and ovoid predators, or maybe it keeps them warmer if it is located in a cold region, thereby reducing the amount of resources they need to spend to stay warm.

4 0
3 years ago
True or False? Circle the correct answer for each statement. If a statement is false, explain why under the
Lorico [155]

Answer:

F,T,T,F

Explanation:

1)false-(its a covalent bond)

A water molecule is formed when two atoms of hydrogen bond covalently with an atom of oxygen.

2)True-(water is a polar molecule)

Water is a polar molecule because the positive end attracts particles of negative charge.

3)True

water dissociates to form hydrogen ions (H3O+) and hydroxide (OH-) ions

4)false

Lower pH number means stronger acid, higher pH number means stronger base.

4 0
3 years ago
Regulatory and basal transcription factors regulate transcription by binding to the promoter.A) True B) False
Licemer1 [7]

Answer:

False

Explanation:

In eukaryotes apart from RNA polymerase, the transcription of genes requires many different proteins called transcription factors. These transcription factors are important to initiate and regulate transcription.

There are two types of transcription factors regulatory and basal transcription factors. Basal transcription factors regulate transcription by binding to a gene promoter and regulatory transcription factor regulates transcription by binding to some regulatory sequences for example enhancers and silencers.  

Therefore only basal transcription factor binds to the promoter for regulating transcription. Therefore the statement is false.

4 0
3 years ago
How many times does the calvin cycle have to turn to make one glucose molecule
Maurinko [17]

Answer:

Im not sure what are the choices?

Explanation:

4 0
3 years ago
Robins typically lay four eggs. Four eggs allow the offspring to be well fed, whereas larger clutches may result in malnourished
Amanda [17]

Answer:

Stabilizing selection

Explanation:

The process of natural selection selects a species in one of the three ways: stabilizing selection, directional selection and disruptive selection.

During the process of stabilizing selection, nature does not favour the extreme phenotypes of the population but the intermediate phenotype with the maximum number of population.

In the given question, the Robin laid four eggs, neither more than four nor less than four which could have more disadvantages than the advantages.  Since the intermediate number of eggs is favoured by nature therefore the stabilizing pattern is observed.

Thus, Stabilizing selection is correct.

4 0
3 years ago
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