Question 1
Hemimethylated DNA is methylated on:
◦ only the newly synthesized DNA strand.
◦ only some scattered methylation sites on both DNA strands.
◦ only methylated sites associated with euchrochromatin.
◦ only methylated sites associated with heterochromatin.
◦ only the parental DNA strand.
Question 2
Polycomb group and trithorax group proteins are:
◦ activators of chromatin activity.
◦ repressors of chromatin activity.
◦ antagonistic repressors and activators of chromatin, respectively.
◦ antagonistic activators and repressors of chromatin, respectively.
◦ transcription factors.