(B) Chromatin is the nucleoprotein fiber found in the nucleus of eukaryotic cells during interphase. It is essentially composed of $DNA$ and basic pro

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(B) Chromatin is the nucleoprotein fiber found in the nucleus of eukaryotic cells during interphase. It is essentially composed of $DNA$ and basic proteins called histones,along with some non-histone chromosomal proteins and $RNA$.

Class 11 Biology Cell: The Unit of Life Nucleus and Chromosomes

Easy

Chromatin is essentially composed of

A
$DNA$ only
B
$DNA$ and histones
C
$RNA$ only
D
$RNA$ and ribosomes

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Class 11 Questions

Class 11

Biology Questions

Chapter

Cell: The Unit of Life

Subtopic

Nucleus and Chromosomes

The nucleolus is the site for the synthesis of $.......$.

Easy

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Match the chromosome types based on the position of the centromere as shown in the standard classification:

Column-$I$ (Type) Column-$II$ (Description)

$1$. Metacentric $a$. Terminal centromere

$2$. Sub-metacentric $b$. Sub-terminal centromere

$3$. Acrocentric $c$. Middle centromere

$4$. Telocentric $d$. Slightly away from the middle

Column-$I$ (Type)	Column-$II$ (Description)
$1$. Metacentric	$a$. Terminal centromere
$2$. Sub-metacentric	$b$. Sub-terminal centromere
$3$. Acrocentric	$c$. Middle centromere
$4$. Telocentric	$d$. Slightly away from the middle