3. Which of the following groups of living organisms has the highest variation in haploid genome size? (A) Mammals (B) Fish (C) Fungi (D) Protozoa (E) Prokaryotes

8. The acetylation of lysines on the histone tails... (A)loosens chromatin structure by adding positive charges to histones. (B) recruits the heterochromatin protein HP1, resulting in the establishment of heterochromatin. (C) can be performed on methylated lysines only after they are first demethylated. (D) is a covalent modification and is thus irreversible.

3. Which of the following groups of living organisms has the highest variation in haploid genome size?
(A) Mammals
(B) Fish
(C) Fungi
(D) Protozoa
(E) Prokaryotes

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