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slava [35]
3 years ago
15

How does natural selection lead to evolution?

Biology
1 answer:
Andrew [12]3 years ago
3 0
I think the answer is D.
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RNA primers must be present on which strand during DNA synthesis? See Section 15.3 (Page) . View Available Hint(s) RNA primers m
Aleks04 [339]

Answer:

Both leading and lagging strands

Explanation:

DNA replication is the enzyme of DNA replication that forms new DNA strands. However, the enzyme cannot start the process of synthesis of new DNA strands by itself but needs small primers. Primers are the small RNA sequences synthesized by RNA primase on both leading and lagging strands.

These primers are elongated by DNA polymerase by the addition of deoxyribonucleotides according to the sequence of the template strand. Since DNA replication on both lagging and leading strand is carried out by DNA polymerase, RNA primers are present on both lagging and leading strands.

5 0
3 years ago
What determines the sequence of the mRNA codons?
TEA [102]

Answer: DNA

Explanation:

mRNA is the complement of the DNA template strand. Transcription (process that makes mRNA) requires DNA and nucleotides (A,U,G and C)

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3 years ago
How to describe diffusion and osmosis??
elena55 [62]

Answer:

diffusion in the air molecules

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8 0
2 years ago
Which of the following characteristics do not belong to the lumbar region?
ivolga24 [154]

Answer:

Explained below.

Explanation:

Each lumbar region of the spine is generally remembered as the lower back which contains 5 vertebrae. And the lumbar region is located between the chest or thoracic. And lumbar spine also typically holds a small internal curve as well.

From the following, the characteristics that belong to the lumbar region are as follows;

* Blunt spinous process

* Large size overall

* Bulky centrum

From the following, <u>the characteristic that does not belong to the lumbar region</u> are as follows;

* Elongated spinous process

7 0
3 years ago
Primary source of energy for earth's weather systems
harina [27]
The sun.
I hope this helped
4 0
3 years ago
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