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प्रश्न
What is the function of histones in DNA packaging?
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उत्तर
Histone are the basis protein that are rich in arginine and lysine. Histones form octamer on which DNA is wrapped and form nucleosome that means it helps in packaging of DNA in eukaryotes.
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संबंधित प्रश्न
Name the transcriptionally active region of chromatin in a nucleus.
Although a prokaryotic cell has no defined nucleus, yet DNA is not scattered throughout the cell. Explain.
Attempt any TWO of the following:
With the help of a suitable example illustrate ‘Palindrome’.
Very Short Answer Question:
Which are the nucleosomal 'core' histones?
In prokaryotes, the enzyme RNA polymerase recognizes the promoter by its ______.
The length of DNA segment having 44 base pairs is ______
The net electric charge on DNA and histones is ______.
Whittaker placed prokaryotes in:
What do the 'beads on strings' structure of DNA packaging represent?
Replication of DNA in eukaryotes is initiated by ______.
What is the nucleoid in prokaryotic cells?
Which of the following best describes DNA packaging?
What are non-histone chromosomal (NHC) proteins?
What is the compaction ratio for prokaryotic DNA within the bacterial cell?
What is the final diameter of the supercoiled nucleoid in prokaryotes?
Which of the following are core histones that form part of the histone octamer?
What is the total DNA content per nucleosome?
What is the diameter of the nucleosome fibre (beads-on-string structure)?
What roles do HU proteins play in prokaryotic DNA organisation?
