Small variations in DNA sequences and activation of genes can explain why individuals respond differently to diseases and the drugs used to treat them. Epigenetic modification can have an effect on the activity of genes in a cell. Which is the role of histones in the cell? (1)
A.
act as a transcription factor
B.
form pores in the nuclear membrane
C.
give structural support for DNA molecules
D.
produce RNA polymerase
Exam No：wbi15-01-que-20240118 Year：2024 Question No：5(b)(i)
Answer:
C
Knowledge points:
CH8 – Coordination, Response and Gene Technology
Solution:
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