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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.
Describe the structure of a nucleosome.
Explain the role of histones in forming a nucleosome.
Find the odd one out:
AUG codon gives ________ & ________ amino acids in prokaryotes & Eukaryotes respectively.
Explain the formation of a nucleosome.
In prokaryotes, the enzyme RNA polymerase recognizes the promoter by its ______.
A typical nucleosome "bead" is made up of ______.
The length of DNA segment having 44 base pairs is ______
A stretch of euchromatin has 200 nucleosomes. How many bp will there be in the stretch and what would be the length of the typical euchromatin?
Read the following and answer from given below:
The translation is the process of polymerization of amino acids to form a polypeptide. The order and sequence of amino acids are defined by the sequence bases in the mRNA. The amino acids are joined by a bond called a peptide bond. The ribosome is the site of protein synthesis.
During translation, how many initiation factors are required in eukaryotes for initiation reactions?
Flagella are present both in prokaryotic and eukaryotic cells, however, they differ in:
Histones are rich in ______.
Whittaker placed prokaryotes in:
In the eukaryotic cell cycle, cell fusion experiments show that:
During translation initiation in prokaryotes, a GTP molecule is needed in:
Distinguish between heterochromatin and euchromatin. Which of the two is transcriptionally active?
What would happen if histones were to be mutated and made rich in acidic amino acids such as aspartic acid and glutamic acid in place of basic amino acids such as lysine and arginine?
The most abundant prokaryotes helpful to human in making curd from milk and in the production of antibiotics are the ones categorised as ______ .
Name the enzymes involved in replacement of gaps during RNA processing in prokaryotes and eukaryotes.
