IB Biology Quiz
11 questions · no time limit
0:00
CONTINUITY AND CHANGE
Question 1 of 11
No time limit
Current
Answered
Flagged
Not seen
Nutrients such as folate and vitamin B12 are crucial for the synthesis of S-adenosylmethionine (SAM), the body's primary methyl group donor. A severe deficiency in these nutrients would most directly impair which epigenetic process?
YOUR PROGRESS
11
QUESTIONS
Ready when you are
Answer in any order. Your progress shows here as you go.
QUESTIONS
KEYBOARD
Pick an answer ABCD
Next question ↵→
Previous ←
Flag for review F
Answers save as you go · flagged questions come back at the end