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ycow [4]
3 years ago
11

If a specific kind of protein is not continually used by a cell, the gene for that protein is

Biology
1 answer:
Igoryamba3 years ago
5 0

Answer:

The gene for the protein is turned on and off at different times.

Explanation:

The turning on and off of the gene is described as gene regulation. This process is important because it enables the cells to react quickly to the changes in the environment.

Note that , this process mostly occur at transcription level during gene expression , and help in determining the amount of protein made by a gene.

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Which of the following is the simplest unit of nucleic acid
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Nucleotide!

When attached in a polymer, they become a nucleic acid.
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3 years ago
Which process must occur first before any cell division can take place
zubka84 [21]

Interphase. Reason: interphase is the first stage of mitosis but since mitosis is the division of the nucleus prophase is actually the first stage.

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3 years ago
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1. How did dark matter affect the development of structures in the early universe?
-Dominant- [34]

Answer:

1. It seeded the development of galaxies

2. The percentage of dark matter has shrunk in scientists' estimates since the 1980s

The percentage of unknown material has grown in scientists' estimates since the 1970%

3. Supernovae that are moving away at an accelerating rate.

Explanation:

1. How did dark matter affect the development of structures in the early universe?

It seeded the development of galaxies.

It seeded the development of quasars.

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it became part of black holes

2. How has scientific understanding about the composition of the universe changed over time? Select the two correct answers.

The percentage of dark matter has shrunk in scientists' estimates since the 1980s

The percentage of unknown material has grown in scientists' estimates since the 1970%

The percentage of ordinary matter has grown in scientists' estimates.

The percentage of dark energy has shrunk in scientists estimates

3. Which is evidence for the existence of dark energy?

Pulsars that seem to be moving closer at an accelerating rate.

Supernovae that are moving away at an accelerating rate.

Black holes that are expanding at a constant rate.

Galaxies that are rotating at a constant rate.

<u><em>Please don't use these answer's to cheat they are to help only.</em></u>

6 0
3 years ago
What kingdom absorbs nutrients from the environment
Vaselesa [24]

Answer:

s

e x

Explanation:

3 0
2 years ago
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Snails and insects belong to which group of organisms?  
adoni [48]
<span>They are both invertebrates.</span>
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