(A) Nuclear pores are minute openings in the nuclear envelope formed by the fusion of its two membranes. These pores act as channels that facilitate t

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To allow the passage of $RNA$ and protein molecules between the nucleus and cytoplasm.

(A) Nuclear pores are minute openings in the nuclear envelope formed by the fusion of its two membranes. These pores act as channels that facilitate the bidirectional movement of $RNA$ and protein molecules between the nucleus and the cytoplasm.

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

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What is the function of nuclear pores?

A
To allow the passage of $RNA$ and protein molecules between the nucleus and cytoplasm.
B
To synthesize ribosomal $RNA$.
C
To store genetic information.
D
To provide structural support to the cell.

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Class 11

Biology Questions

Chapter

Cell: The Unit of Life

Subtopic

Nucleus and Chromosomes

In the given figure,what does $B$ represent?

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Which cellular structure helps in transferring genetic information from one generation to another?

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$DNA$ is primarily found in:

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Match the following columns regarding chromosome types based on the position of the centromere:

Column-$I$ Column-$II$

$P$. Metacentric $I$. One arm shorter and one arm longer

$Q$. Sub-metacentric $II$. One arm extremely short and one arm extremely long

$R$. Acrocentric $III$. Terminal centromere

$S$. Telocentric $IV$. Middle centromere forming two equal arms

Column-$I$	Column-$II$
$P$. Metacentric	$I$. One arm shorter and one arm longer
$Q$. Sub-metacentric	$II$. One arm extremely short and one arm extremely long
$R$. Acrocentric	$III$. Terminal centromere
$S$. Telocentric	$IV$. Middle centromere forming two equal arms