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प्रश्न
The net electric charge on DNA and histones is ______.
विकल्प
negative and positive, respectively
both negative
both positive
zero
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उत्तर
The net electric charge on DNA and histones is negative and positive, respectively.
Explanation:
On DNA and histones, the net electric charge is both negative and positive. The presence of phosphate ions in the nucleotides makes the DNA molecule negatively charged. Because lysine and arginine amino acid residues are present, his tones are positively charged.
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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
Differentiate between Euchromatin and Heterochromatin.
Describe the structure of a nucleosome.
In prokaryotes, the enzyme RNA polymerase recognizes the promoter by its ______.
The length of DNA can be calculated by ______.
The length of DNA segment having 44 base pairs is ______
Nucleosome core is made of ______.
Barr body in mammals represents ______.
The structure in chromatin seen as ‘beads-on string’ when viewed under electron microscope are called ______.
Find out the wrong statement about heterochromatin.
Which of the following is correct about mature RNA in eukaryotes?
Histones are rich in ______.
Plasmid has been used as vector because ______.
Which process occurs in the regulation of gene expression in prokaryotes but does not occur in the regulation of gene expression in eukaryotes?
Watson and Crick proposed the 'Double Helix' structure of DNA based on data produced by ______
Which of the following amino acid residues will constitute the histone core?
Define the Transfection.
