What statements describes the eukaryotic chromosome?
________
a) The number of genes on each chromosome differs in different
cell types of an organism
b) It contains a single linear molecule of double stranded
DNA
c) The nucleosome is its most basic func. subunit
d) Active transcription occurs on heterochromatin
e) It is composed only of DNA
Why is letter B the correct answer and why are E,D,C,A
incorrect. Define the terms chromosome, nucleosome, transcription,
and heterochromatin in the answer.