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2 years ago

Environmental factors typically activate genes in a cell by causing the cell to --

1 answer:

8 0

Environmental factors typically activate genes in a cell by causing the cell to transcribe specific DNA segments to mRNA for translation.

This interaction is an example of environmental factors affecting <u><em>genetic expression</em></u>. In these situations, the environment causes specific segments of DNA to be expressed, meaning they are transcribed to mRNA and subsequently used to form proteins.

Meanwhile, other parts of the genome remain or are forced to be silent. This can be a result of mutations or simple biochemical reactions between the environment and the genome.

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When you replicate 1 DNA molecule, you end up with *

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2 DNA molecules that are identical from each other

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3 years ago

How much gravitational potential energy does a 7.3 kg rock have if it is sitting on the edge of a cliff that is 12 m high?

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Answer:

The given data provided in the question is as follows:

Mass (m) = 7.3 kg

Height (h) = 12 m

Gravitational acceleration (g) = 9.8m/s²

We have given to find out the gravitational potential energy produced i.e

Gravitational potential energy (GPE) = ?

The standard formula for calculating GPE is given by,

$\mapsto\tt{m \times g \times h}$

$\mapsto\tt{7.3 \times 9.8 \times 12}$

$\mapsto\tt{71.54 \times 12}$

$\mapsto\tt{858.48}$

Thus, the value of gravitational potential energy is 858.48 J

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2 years ago

Read 2 more answers

Mary has experienced symptoms and effects associated with many parts of the human nervous system. Which of the following parts o

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Answer:

C) autonomic nervous system (ANS) within the motor division

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Autonomic nervous system is the involuntary portion of the nervous system.

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Hence the autonomic system within the motor division doesn't appear to show some effects.

Hence option C) autonomic nervous system (ANS) within the motor division is the right answer.

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