Cell Division and Cancer

Question 1

What are the 2 reasons why cells have to divide?

Answer 1

DNA overload and poor surface area ration

Question 2

Explain DNA overload

Answer 2

As cell gets too big, the little amount of DNA is not able to support the rest of the cell

Question 3

Cell division occurs in which 2 main stages?

Answer 3

Interphase and m phase

Question 4

Cells spend most of their live in which stage?

Answer 4

Interphase

Question 5

What 3 phases are included in interphase?

Answer 5

G1, S phase, and G2

Question 6

What are the 4 stages of mitosis (in order)?

Answer 6

prophase, metaphase, anaphase, telophase

Question 7

What is the G0 phase?

Answer 7

Where cells that don’t replicate live.

Question 8

How many chromosomes are found in the human body?

Answer 8

46

Question 9

What is the name of proteins that regulate the cell cycle?

Answer 9

Cyclins

Question 10

Define cancer

Answer 10

Cells with uncontrolled growth

Question 11

What are tumors

Answer 11

Large mass of cells

Question 12

What are the 2 types of tumors

Answer 12

Benign and malignant

Question 13

What causes cancer?

Answer 13

External influences such as tobacco smoke or radiation, and also genetic issues such as a problem with the p53 protein.

Question 14

What are the 3 most common ways to treat cancer?

Answer 14

Surgery, radiation, and chemotherapy.

Question 15

What is apoptosis?

Answer 15

Programmed cell death for cells that have been damaged or are just unwanted