Look at the figure of cell given below. On the basis of the diagram, answer the following questions. [5 MARKS]

(a) Identify the stage of the cell cycle as depicted by the cell.
(b) Identify the two characteristics of the phase.
(c) Describe the main events that take place when the cell goes into the next stage.

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Solution

a) 1 Mark
b) 2 Marks
c) 2 Marks

(a) Interphase is depicted in the image.
(b) Interphase of a cell is characterized by:
(i) Growth in the cell size.
(ii) Duplication of chromatin material along with thinning and coiling.
(c) The following events take place when the cell goes into the next stage:
(i) Centrioles become free and begin to move towards the opposite pole.
(ii) Astral rays are developed and chromosomes are seen.
(iii) Nuclear membrane and nucleous start disappearing.

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