What is the chemical composition of chromatin?
a. it is pure dna.
b. it is dna and protein.
c. it is pure carbohydrates.
d. it is carbohydrates and dna.

Chromatin is made up of protein and DNA so the ans is b.
i hope this is helpful for u *-*

I’m not exactly sure what your trying to ask, but if it’s how an organelle is similar to a body system or a part a nucleus is like a in function. but i don’t fully understand what you’re trying to ask