A) Lysine and histidine
B) Valine and histidine
C) Arginine and lysine
D) Arginine and histidine
Correct Answer: C
Solution :
Histones are basic proteins found in the eukaryotic chromosomes. These are rich in the amino acids-lysine and arginine. There are basically five types of histones, ie,\[{{\text{H}}_{\text{1}}}\text{,}{{\text{H}}_{\text{2}}}\text{A,}{{\text{H}}_{\text{2}}}\text{B,}{{\text{H}}_{\text{3}}}\] and \[{{\text{H}}_{\text{4}}}\text{,}\]which have been studied in almost all eukaryotic cells.
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