Immature $RBCs$ of mammals are...........

  • A
    devoid of nucleus
  • B
    contain a granular nucleus
  • C
    contain many nuclei
  • D
    contain a single nucleus

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$S -$ Assertion: Individual chromosomes are not identifiable during interphase.
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The main components of chromosomes are.......

$DNA$ is concentrated in:

What do $a$ and $b$ represent in the given figure,respectively?

The chromatids of a chromosome are held together at a point called

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