Definitions/Explanation : Nucleosome & Euchromatin.
Definitions/Explanation : Nucleosome & Euchromatin.
The negatively charged $DNA$ is wrapped around the positively charged histone octamer to form a structure called nucleosome
In a typical nucleus, some region of chromatin are loosely packed (and stains light) and are referred to as euchromatin.
Similar Questions
If a length of $DNA$ has $45,000$ base pairs, how many complete turns will the $DNA$ molecule take?
If a length of $DNA$ has $45,000$ base pairs, how many complete turns will the $DNA$ molecule take?
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.
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.
- [AIIMS 2010]
$NHC$ structural proteins are
$NHC$ structural proteins are
State the physical structure of DNA.
State the physical structure of DNA.
Nucleotide pairs present in one turn of $DNA$ helix
Nucleotide pairs present in one turn of $DNA$ helix