Chapter 9 - Cell Cycle & Cellular Reproduction

Question 0

What happens prior to the next division of cell cycle?

Answer 0

• The cell grows larger
• The number of organelles doubles
• The DNA is replicated

Question 1

An orderly set of stages from the first division to the time the resulting daughter cells divide?

Answer 1

Cell cycle

Question 2

What’s the two major stages of the cell cycle?

Answer 2

Interphase and Mitotic stage

Question 3

Where is most of the cell cycle spent?

Answer 3

Interphase

Question 4

What 3 stages does interphase consist of?

Answer 4

G1 phase
S phase
G2 phase

Question 5

What does Mitotic stage include?

Answer 5

Mitosis, nuclear division.

Question 6

What happens without internal signals?

Answer 6

Cycle stops at G1, M, or G2

Question 7

What is apoptosis?

Answer 7

Programmed cell death

Question 8

Mitosis _________ cell number.

Answer 8

Increases

Question 9

Apoptosis__________ cell number.

Answer 9

Decreases

Question 10

DNA is in very long threads called…

Answer 10

Chromosomes

Question 11

DNA and histone proteins are collectively called..

Answer 11

Chromatin

Question 12

The diploid (2n) number includes how many sets of chromosomes of each type?

Answer 12

Two

Question 13

Each type of chromosome in a human is represented how many times in each body cell (diploid)?

Answer 13

Twice

Question 14

Where is the centrosome located ?

Answer 14

Just outside the nucleus

Question 15

What do animals contain?

Answer 15

Two barrel-shaped centrioles and an array of short microtubules (asters)