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worty [1.4K]
3 years ago
8

Biosynthesis of many molecules in cells, and many modifications of macromolecules like proteins, RNA, and DNA require addition o

f single carbons. What is/are the major carrier/s of single carbons in cells?
a) S-adenosylmethionine
b) Acetyl CoA
c) Tetrahydrofolate
d) a and b
e) a and c
Biology
1 answer:
Jet001 [13]3 years ago
8 0

Answer:

The correct answer is option e) "a and c".

Explanation:

Single carbons are atoms needed for the biosynthesis of many molecules in cells, therefore the cells need a pathway to move group of atoms containing single carbons to make them available for the biosynthesis. S-adenosylmethionine and Tetrahydrofolate are two of the major carriers of single carbons in cells. S-adenosylmethionine (SAM) acts as a methyl (-CH3) donor and Tetrahydrofolate (THF) as a cofactor in enzymatic reactions.

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