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प्रश्न
The net electric charge on DNA and histones is ______.
पर्याय
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
Short Answer Question:
Write a short note on DNA packaging in the eukaryotic cell.
Find the odd one out:
Differentiate between Heterochromatin & Euchromatin.
Draw a neat and labelled diagram of the Nucleosome.
Repeating units of chromatin are known as ____________.
The additional set of proteins required for packaging of chromatin at higher level are called ______.
Histone proteins are ______.
Electron Transport System (ETS) is present in a eukaryotic cell in the:
During translation initiation in prokaryotes, a GTP molecule is needed in:
Watson and Crick proposed the 'Double Helix' structure of DNA based on data produced by ______
______ are the amino acids of histones.
Distinguish between heterochromatin and euchromatin. Which of the two is transcriptionally active?
Which of the following amino acid residues will constitute the histone core?
Replication of DNA in eukaryotes is initiated by ______.
Part of chromatins which is densely packed stain darkly and is transcriptionally inactive is called ______.
Total ATP production during EMP pathway is ______.
Name the enzymes involved in replacement of gaps during RNA processing in prokaryotes and eukaryotes.
