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alisha [4.7K]
3 years ago
12

Human beings evolved during which era of geologic time?

Biology
1 answer:
s2008m [1.1K]3 years ago
3 0
Human beings evolved during the cenozoic era
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The cell spends 90 percent of its time performing "everyday" functions, growing and preparing to divide during
Mrrafil [7]

Answer:

interphase

Explanation:

Interphase is the most important phase of cell life cycle where it spends 90 percent its time in regulating the metabolic activities of the cell. In this phase cell undergoes several metabolic activities to maintain the growth of the cell.

There are three phases in interphase G1, S and G2. During this phase cell undergoes several changes that include  cell grows, DNA replicates and prepare itself for mitosis.

Hence, the answer is "interphase".

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2 years ago
Which macromolecule sends messages?
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Answer:

Proteins is a macromolecule that helps to send signals

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Which of the following is not a piece of molecular evidence supporting the endosymbiotic theory?
LUCKY_DIMON [66]
I think it is B, that helps disprove it so it can't prove it.
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3 years ago
Complete the sentences. Each term may be used more than once.
11Alexandr11 [23.1K]

Answer:

The correct answer is -

1. right-handed

2. right-handed

3. positive

4. left-handed

5. negative

6. negative

Explanation:

In a circular bacterial chromosome, the structure of DNA is a right-handed double helix In a circular bacterial chromosome.

If DNA is twisted in the right-handed direction, it becomes overwound. Overwinding results in positive supercoiling takes place. If DNA is twisted in the left handd direction, it becomes underwound. Underwinding results in negative supercoiling.

f. One effect  negative supercoiling in bacterial chromosomes is to promote separation of the two strands of DNA in the double helix

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3 years ago
What structures are present in plant and animals cells but not in bacterial cell
tatiyna

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organelles such as nuclei, mitochondria or chloroplast

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2 years ago
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