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5.Molecular Basis of Inheritance
normal
Histones are rich in
A
alanine and glycine
B
lysine and arginine
C
histidine and serine
D
cysteine and tyrosine
Solution
Histones are positively charged, basic proteins, enriched in the amino acids arginine and lysine. Thus, being basic, histones bind tightly to DNA which is an acid $\mathrm{H}\; 4$.
Standard 12
Biology
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