Chapter 9: Mitosis

Question 1

Functions of cell division

Answer 1

Replaces dead cells with new ones, Repairs damaged tissues, Allows organisms to grow by adding more cells to the body

Question 2

Interphase

Answer 2

the stage between cell divisions, consisting of three sub-phases. During interphase the cell is engaged in metabolic activities

Question 3

Gzero phase

Answer 3

this phase only occours in cells that do not divide such as nerve cells. these cells are very mature and are very specialized in their function

Question 4

g-1 phase

Answer 4

every other cell goes directly to this phase, the cell grows in volume and produces RNA and other organelles

Question 5

g-2 phase

Answer 5

the cell prepares for mitosis by synthesizing spindle fiber proteins.

Question 6

Prophase

Answer 6

centriole makes spindle fibers the nucleolus dissolves and chromosomes become attached to spindle fibers