Question Detail

BIO 101 BIO 101 Past Questions Objective Question

Question

How does folic acid help prevent neural tube defects at the molecular level?
Options
A Supplying one-carbon units for DNA synthesis and methylation
Correct Answer
B Acting as an extracellular structural collagen fiber
C Directly inhibiting the maternal immune system
D Blocking placental transport of glucose
Correct Answer

Option A is the correct answer.

Detailed Explanation

Folate participates in one-carbon metabolism, crucial for DNA replication and epigenetic programming.

Hint

No hint available

Question Info