M PHASE

Question 1

What is the M phase ?

Answer 1

It is the most dramatic phase of the cell cycle

This is the actual phase of the cell division

Question 2

What % of the total cell cycle does this phase account of ?

Answer 2

3 - 5 % of the total cell cycle

Question 3

How many sub phases does this phase has ?

Answer 3

It has two sub phases

1. Karyokinesis -
   a. Prophase
   b. Metaphase
   c. Anaphase
   d. Telophase
2. Cytokinesis
   a. In plants - By cell plate
   b. In animal - By cell furrow

Question 4

How is the cell cycle regulated ?

Answer 4

Genes –(produce)– Cyclin protein –(activates)– Kinase enzyme – cell cycle is regulated

Question 5

Which protein is responsible for the cell cycle regulation ?

Answer 5

CYCLIN PROTEIN