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प्रश्न
Histones are rich in ______.
पर्याय
alanine and glycine
lysine and arginine
histidine and serine
cysteine and tyrosine
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उत्तर
Histones are rich in lysine and arginine.
Explanation:
Histones are basic proteins that are positively charged and high in the amino acids arginine and lysine. Histones bond closely to DNA, which is an acid H4 since they are basic.
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संबंधित प्रश्न
How are the following formed and involved in DNA packaging in a nucleus of a cell?
(ii) Nucleosome
(iii) Chromatin
Explain the role of histones in forming a nucleosome.
In an octamer of the nucleosome, core DNA consists of ______ base pairs.
Write a note on the packaging of DNA in prokaryotes.
Explain the formation of a nucleosome.
In prokaryotes, the enzyme RNA polymerase recognizes the promoter by its ______.
Who among the following has developed technique to synthesize artificial mRNA with known repeated sequences of two or three nucleotides?
Histones are best characterised as:
The human genome contains approximately how many base pairs per diploid cell?
What is the role of topoisomerase I in prokaryotic DNA packaging?
