Question

How might chromatin structure be involved in such regulation?

a. DNA loops are thought to attract or repulse different amino acids of proteins that are near promoter regions of the genes under their regulation.
b. DNA loops are thought to bring distant enhancer or silencer elements into proximity with promoter regions of the genes under their regulation.
c. DNA loops are thought to increase the rate of transcription initiation by protecting promoter regions from interfering elements.
d. DNA loops do not take part in this level of regulation.

Answer 1

Chromatin structure is involved in gene regulation through DNA looping which brings distant regulatory elements into proximity with promoter regions of genes.

Step-by-step explanation:

Chromatin structure plays a crucial role in gene regulation. One way it is involved is through DNA looping. DNA loops can bring distant enhancer or silencer elements into proximity with promoter regions of genes, enhancing or silencing transcription. The loop allows for the interaction of transcription factors and activators with the promoter region and RNA polymerase, influencing gene expression.