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2 years ago

What happens to DNA after RNA polymerase has synthesized a mRNA molecule?

1 answer:

6 0

Synthesized RNA will remain. I believe this is because the polymerase allows the DNA to close up & that’s how it forms its double helix. Then the RNA chain is displaced and the DNA will soon be re-formed.

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What is the name for all the plants and animals that live together in a habitat?

tia_tia [17]

Answer:

Biotic community

Explanation:

Definition of biotic :living organisms in the ecosystem .Example Frog,fish,and etc.

Definition of Abiotic: Nonliving things in the ecosystem. Examples wind,water,and etc.

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2 years ago

Study the graph carefully. Notice that exergonic reactions result in products of lower energy. This increases entropy. Justify a

Delvig [45]

Answer:

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Explanation:

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2 years ago

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Svetllana [295]

Answer: A

Explanation:

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1 year ago

A fruit fly population has a gene with two alleles, A1 and A2. Tests show that 70% of the gametes produced in the population con

IceJOKER [234]

Answer:

Option C

Explanation:

Given ,

A1 allele is carried by $70$ % people

Let us assume A1 s dominant genotype

This means $p= \frac{70}{100} = 0.7$

Thus, frequency of allele in the given population is $0.7$

It is also given that the population is in Hardy-Weinberg equilibrium thus

$p+q=1\\0.7+q=1\\q = 1-0.7\\q= 0.3$

Frequency of fruit fly with genotype A2A2 will be

$q^2\\= (0.3)^2\\= 0.09$

As per Hardy-Weinberg's second equation of equilibrium

$p^{2} + q^{2} + 2pq = 1\\0.49+0.09+2pq = 1\\2pq = 1-0.49-0.09\\2pq= 0.42$

Hence, option C is correct

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2 years ago

Surface currents in the Northern Hemisphere rotate in a _______ direction. In the Southern Hemisphere, the surface currents rota

trapecia [35]

Explanation:

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2 years ago