Function of histones in DNA packaging ?

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5.Molecular Basis of Inheritance

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What is the function of histones in $DNA$ packaging ?

Option A

Option B

Option C

Option D

Solution

Histone are the basic 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.

Standard 12

Biology

Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly matched with the category mentioned against it ?

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(AIPMT-2008)

Assertion : In a $DNA$ molecule, $A-T$ rich parts melt before $G-C$ rich parts.

Reason : In between $A$ and $T$ there are three $H-$ bond, whereas in between $G$ and $C$ there are two $H-$ bonds.

medium

(AIIMS-2010)

The figure gives an important concept in the genetic implication of $DNA$. Fill the blanks $A, B$ and $C$.

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(NEET-2013)

A single stranded $DNA $ molecule is the genetic material of bacteriophage

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Which of the following are all Nucleotides

medium

(AIIMS-2019)

What is the function of histones in $DNA$ packaging ?

Solution

Similar Questions

Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly matched with the category mentioned against it ?

Assertion : In a $DNA$ molecule, $A-T$ rich parts melt before $G-C$ rich parts. Reason : In between $A$ and $T$ there are three $H-$ bond, whereas in between $G$ and $C$ there are two $H-$ bonds.

The figure gives an important concept in the genetic implication of $DNA$. Fill the blanks $A, B$ and $C$.

A single stranded $DNA $ molecule is the genetic material of bacteriophage

Which of the following are all Nucleotides

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Assertion : In a $DNA$ molecule, $A-T$ rich parts melt before $G-C$ rich parts.

Reason : In between $A$ and $T$ there are three $H-$ bond, whereas in between $G$ and $C$ there are two $H-$ bonds.