Advertisements
Advertisements
प्रश्न
What is the function of histones in DNA packaging?
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Short Answer Question:
Write a short note on DNA packaging in the eukaryotic cell.
Find the odd one out:
Explain the formation of a nucleosome.
Which of the following is the CORRECT statement with respect to formation of nucleosome?
The length of DNA can be calculated by ______.
The chromatin is packed to form a solenoid structure of ______ diameter.
The length of DNA segment having 44 base pairs is ______
The structure in chromatin seen as ‘beads-on string’ when viewed under electron microscope are called ______.
Read the following and answer from given below:
The process of copying genetic information from the template strand of DNA into RNA is called transcription. It is mediated by RNA polymerase. Transcription takes place in the nucleus of eukaryotic cells. In transcription, only a segment of DNA and only one of the strands is copied into RNA.
Monocistronic structural genes are found in which organisms?
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 ______.
Which process occurs in the regulation of gene expression in prokaryotes but does not occur in the regulation of gene expression in eukaryotes?
Which one of the following statements about Histones is wrong?
Distinguish between heterochromatin and euchromatin. Which of the two is transcriptionally active?
Part of chromatins which is densely packed stain darkly and is transcriptionally inactive is called ______.
Distinguish between heterochromatin and euchromatin with reference to staining property and activity.
Name the enzymes involved in replacement of gaps during RNA processing in prokaryotes and eukaryotes.
In a mature, functional mRNA of eukaryotes______.
Who among the following has developed technique to synthesize artificial mRNA with known repeated sequences of two or three nucleotides?
