Biology, asked by pandeyshivani685, 2 months ago

Idei
*Q.39. Why and how some spindle fibres elongate a
some contract?
(1

Answers

Answered by shaimaparveen2058

1

Answer:

The centrosome, or MTOC, always has some microtubules preassembled. On the surface of the MTOC are small proteins, responsible for lengthening or shortening the microtubules. These proteins respond to signals from the cell, and when it is time for cell division, the begin lengthening the spindle fibers.

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