Read the following statements and choose the set of correct statements:

$(a)$ Euchromatin is loosely packed chromatin

$(b)$ Heterochromatin is transcriptionally active

$(c)$ Histone octomer 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

  $(a), (c), (d)$ Only

• B

  $(b), (e)$ Only

• C

  $(a), (c), (e)$ Only

• D

  $(b), (d), (e)$ Only