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postnew [5]
2 years ago
13

The nucleus of the cell is respiratory for

Biology
1 answer:
DerKrebs [107]2 years ago
7 0

Answer:

Chromatin/Chromosomes

Explanation:

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Explanation:

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2 years ago
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Introns in pre-mRNA: a. protect pre-mRNA from enzyme degradation. b. move within the mRNA, giving rise to new exon combinations.
suter [353]

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2 years ago
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Answer:

A

Explanation:

This showed that at one point all continents were joined

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