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Read the following statements and choose...

Read the following statements and choose the set of correct statements:
(a) Euchromatin is loosely packed chromatin
(b) Heterochromatin is transcriptionally active
(c) histone octamer is wrapped by negatively charged DNA in nucleosome
(d) histones are rich in lysine and arginine
(e) a typical nucleosome contains 400 bp of DNA helix
choose the correct answer from the options given below:

A

(b),(d) and (e) only

B

(a),(c) and (d) only

C

(b) and (e) only

D

(a),(c) and (e) only

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