Chemical basis of heredity is?
DNA
RNA
Histones
None
Related Questions
Nucleosome model is proposed by?
Kornberg
Thomas
1 and 2
Crick
Histones are rich in the basic amino acid residues like?
Lysine
Methionine
Arginine
Both 1 and 3
Which statement about the synthesis of histones is TRUE?
It is coupled with DNA synthesis.
It occurs primarily during the G1 phase of the cell cycle.
It takes place within the nucleus.
It happens continuously throughout the cell cycle.
Which histone is absent in nucleosomecore.
Histones are rich in the basic amino acid residues like?
Lysine
Methionine
Arginine
Both 1 and 3
Which histone is absent in nucleosomecore.
Which of the following statements regarding histones is INCORRECT?
They are rich in basic amino acids like lysine and arginine.
They have a net positive charge at physiological pH.
Post-translational modifications of histones neutralize their positive charge.
They form the core of nucleosomes.
Nucleosome model is proposed by?
Kornberg
Thomas
1 and 2
Crick
The positive charge of histones is primarily due to the abundance of which amino acids?
Aspartic acid and Glutamic acid
Lysine and Arginine
Serine and Threonine
Valine and Leucine
Histones are crucial for DNA packaging. Which of the following is NOT a characteristic of these proteins?
Rich in basic amino acids
Positively charged
Primarily composed of carbohydrates
Synthesized mainly during S phase