Read the following statements:
$(a)$ Complete disintegration of the nuclear envelope marks the start of the second phase of mitosis.
$(b)$ Metaphase chromosome is made up of one sister chromatid.
$(a)$ Complete disintegration of the nuclear envelope marks the start of the second phase of mitosis.
$(b)$ Metaphase chromosome is made up of one sister chromatid.
- AOnly $(b)$ is correct
- BBoth $(a) \& (b)$ are incorrect
- COnly $(a)$ is correct
- DBoth $(a) \& (b)$ are correct
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Which structure is generally not observed in the dividing cells of higher plants?
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View SolutionChoose the correct option regarding the duplication of organelles during the cell cycle:
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$(1)$ Mitochondria and centrioles duplicate during the $(G_0 / G_1 / G_2)$ phase of interphase.
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View SolutionSpindle fibers attach to kinetochores of chromosomes during
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View Solution$A$ stage in cell division is shown in the figure. Select the answer which gives correct identification of the stage with its characteristics.
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