What is the primary role of tetrahydrofolate derivatives in biosynthetic reactions?
Folate and Tetrahydrofolate Metabolism

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Science, Chemistry
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Delivering two carbons at a time
Delivering one carbon at a time
Delivering oxygen atoms
Delivering nitrogen atoms
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do humans obtain tetrahydrofolate?
Through biosynthesis in the liver
Through dietary intake as folate or folic acid
Through exposure to sunlight
Through inhalation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme is responsible for converting folic acid to tetrahydrofolate?
Serine hydroxymethyltransferase
Cyclohydrolase
Methionine synthase
Dihydrofolate reductase
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of N10-formyl tetrahydrofolate in nucleic acid biosynthesis?
It donates a formyl group
It donates a methyl group
It donates a hydroxyl group
It donates a phosphate group
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme converts N5,N10-methenyl tetrahydrofolate into N5-formimino tetrahydrofolate?
Serine hydroxymethyltransferase
N5,N10-methylenetetrahydrofolate reductase
Cyclohydrolase
Methionine synthase
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of N5,N10-methylene tetrahydrofolate in DNA synthesis?
It is used to synthesize cytosine
It is used to synthesize guanine
It is used to synthesize thymine
It is used to synthesize adenine
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which coenzyme is necessary for the generation of S-adenosylmethionine?
N10-formyl tetrahydrofolate
N5,N10-methylenetetrahydrofolate
N5-formimino tetrahydrofolate
N5-methyltetrahydrofolate
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