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solmaris [256]
3 years ago
8

Amino acids joined together to form a chain called a A: polynucleotide chain B: polypeptide chain C: vascular chain D: ribosome

chain
Biology
1 answer:
Kryger [21]3 years ago
4 0

Answer:

B

Explanation:

I hope this helps. Sorry if i'm wrong.

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The smallest unit that ca carry on all the processes of life
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agasfer [191]

Answer:

C

Explanation:

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According to the cell theory, which of the following are true? select all that apply
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3 years ago
Describe the steps in transcription that require complementary base pairing.
nalin [4]

Answer:

Explanation:

Transcription takes place in nucleus in the presence of the enzyme RNA polymerase.

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The pre-mRNA gets created from the DNA.

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The DNA shows base pairing with AGTC.   [A-Adenine, G- Guanine, T-Thymine and C- Cytosine]

Whereas mRNA base pairing with AGUC.  [ U- Uracil ]

Here in mRNA, instead of thymine, uracil gets paired.

According to base pairing of coding strand/sense strand of DNA, complementary bases pairs in 5'---->3' direction in mRNA.

The mRNA created looks exactly like the non-coding strand/sense strand of DNA except instead of thymine, uracil gets replaced.

The pre-RNA undergoes splicing, capping and tailing to form mature mRNA.

5 0
3 years ago
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