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Each cell has a...

Each cell has a

A

Nucleus

B

Cell wall

C

Chloroplast

D

All of the above

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Knowledge Check

  • In Mongolism, each cell has how many chromosomes

    A
    `21^(st)` pair having one less
    B
    `23^(rd) `pair with one less
    C
    45
    D
    47

  • In down's syndrome (Mongolism), each cell has how many chromosomes?

    A
    21 pair having one less
    B
    23 pair with one less
    C
    25
    D
    47

  • Given here are three statements about cell cycle. I. Synthesis of histones and replication of DNA both occur during S-phase of inter phase. II. After S-phase, each cell has double the number of chromosomes. III. Separation of sister chromatids takes place during G_2- phase Which of the given statements is/are true about cell cycle?

    A
    Both II and II
    B
    Both I and I
    C
    Only II
    D
    Only I

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