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aleksklad [387]
3 years ago
11

Which statement best describes the role of gene expression in cells?

Biology
2 answers:
maw [93]3 years ago
8 0
The answer is <span>To become specialized, cells need to control the production of proteins coded for in their DNA.

All genetic information in a cell's DNA is not fully expressed at all times. On the contrary, in different cell lines, different DNA segments are expressed at different times. Some genes are active in unspecialized cells and later deactivate, some are activated only in specialized cells, for example. These are facultative genes which are active when needed, unlike constitutive genes which are expressed continually. Therefore, <u>t</u></span><span><u>o become specialized, cells need to control the production of proteins coded for in their DNA. </u>DNA segments, however, remain in cell and are not destroyed. Also, during the mitosis, all genes are passed, not only required genes.</span>
NemiM [27]3 years ago
5 0

Answer:

To become specialized, cells need to control the production of proteins coded for in their DNA.

Explanation:

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State several inferences about evolution that are supported by fossil evidence
Inga [223]

Answer:

Fossils are important evidence for evolution because they show that life on earth was once different from life found on earth today. Paleontologists can determine the age of fossils using methods like radiometric dating and categorize them to determine the evolutionary relationships between organisms.

Explanation:

sincerely, micah

5 0
2 years ago
Fish lay a large number of eggs, few of which are fertilized and very few of which hatch into young ones. Still fewer live to ma
vazorg [7]
The answer would be survival of the fittest.

This metaphor, "<em>survival of the fittest</em>," was used by Herbert Spencer to explain <em>natural selection. </em>It is sometimes also referred to as the survival for existence. This phrase came from the Dawinian theory of evolution where he explains that all species are capable of producing many offsprings. However, the survival of those offsprings depends on their ability to adapt to the risks and opportunities of the external environment. 
<em>
</em>This relates to your scenario in the sense that fish lay a lot of eggs in the beginning but not all of them would live to achieve maturity. This is because even as eggs, they have many predators and are exposed to other elements. The threat pushes on even if they are able to hatch and grow up. 
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8 0
3 years ago
I measured the temperature today <br><br> is this an observation or inference ?
Nataliya [291]

Answer:

observation

Explanation:

3 0
3 years ago
Read 2 more answers
What type of new information is being used to classify organisms?
brilliants [131]

Answer:

DNA is the evidence that biologist use to identify new type of organisms

Explanation:

Taxonomy is the system biologist use to name living things

5 0
3 years ago
A(n) ___ signal carries information by copying an original sound
crimeas [40]

I am pretty sure the answer you're looking for would be Analog


I hope this helps:) Have a great day!!

6 0
3 years ago
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