Explain what happens in prophase stage of mitosis. [2 Marks]

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Solution

$∙$ Prophase is the first stage in mitosis. (0.5 Marks)
$∙$ During this stage the chromosomes condense. (0.5 Marks)
$∙$ Also, during this stage the nuclear membrane and nucleolus start to disappear. (0.5 Marks)
$∙$ Centrioles duplicate and move to the opposite poles of the cell. (0.5 Marks)

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In which one of the following options the stages of mitosis have been given in correct sequence ?
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Q. Answer in detail.
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b. With the help of suitable diagrams, explain the mitosis in detail.
c. With the help of suitable diagrams, explain the five stages of prophase-I of meiosis.
d. How all the life processes contribute to the growth and development of the body?
e. Explain the Kreb's cycle with reaction.

What happens in the prophase of mitosis?

What marks the end of prophase in mitosis?

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Explain what happens in prophase stage of mitosis. [2 Marks]

∙ Prophase is the first stage in mitosis. (0.5 Marks) ∙ During this stage the chromosomes condense. (0.5 Marks) ∙ Also, during this stage the nuclear membrane and nucleolus start to disappear. (0.5 Marks) ∙ Centrioles duplicate and move to the opposite poles of the cell. (0.5 Marks)

$∙$ Prophase is the first stage in mitosis. (0.5 Marks)
$∙$ During this stage the chromosomes condense. (0.5 Marks)
$∙$ Also, during this stage the nuclear membrane and nucleolus start to disappear. (0.5 Marks)
$∙$ Centrioles duplicate and move to the opposite poles of the cell. (0.5 Marks)