Unit 5

Question 1

What is a stem cell?

Answer 1

Cell that can divide for a long period of time.

Question 2

Which of the following occurs in interphase?

Answer 2

G1, G2, S Phase

Question 3

Medical condition where cells divide at an uncontrollable rate.

Answer 3

Cancer

Question 4

Organelle in charge of pulling chromosomes apart.

Answer 4

Centriole

Question 5

What is defined as the division of the nucleus?

Answer 5

Mitosis

Question 6

What is defined as the division of the cytoplasm and cell membrane?

Answer 6

Cytokinesis

Question 7

What is apoptosis?

Answer 7

Programmed Cell Death

Question 8

What part of interphase does DNA copy itself?

Answer 8

S Phases

Question 9

How many total chromosomes do humans have?

Answer 9

46

Question 10

Parts of cell theory:

Answer 10

All cells come from previously existing cells.
Cells are the basic unit of life.
All living organisms are made of cells.

Question 11

Significant steps of Metaphase:

Answer 11

Chromosomes align on equator.
Centrioles move to the poles.

Question 12

Significant steps of Telophase:

Answer 12

Two Nuclei return.
Chromosomes uncoil.
Centrioles disappear.

Question 13

Significant steps Anaphase:

Answer 13

Chromosomes pull apart.