7.1 Study Guide

Question 1

What is cell division important for?

Answer 1

cell growth and development
repair and renewal
reproduction

Question 2

Why is cell division important for single celled organisms?

Answer 2

It’s the only way for single celled organisms to reproduce.

Question 3

Why is cell division important for multicellular organisms?

Answer 3

They need cell division in order to grow.

Question 4

Differentiation

Answer 4

When cells stop dividing to specialize in function and structure

Question 5

Aptosis

Answer 5

programmed cell death for damaged cells

Question 6

cell regulators

Answer 6

regulate the cells by molecular signals

Question 7

What is the order of cell division cycle?

Answer 7

G1
S
G2
Mitosis

Question 8

What is interphase?

Answer 8

All of the components of the cell cycle (G1, S, G2) before cell division

Question 9

What is the Go phase?

Answer 9

where cells go if resources are insufficient and cells are not ready for replication

Question 10

stimulating proteins

Answer 10

pass through checkpoints

Question 11

inhibitory proteins

Answer 11

stop at checkpoints

Question 12

Kinases

Answer 12

add phosphate groups

Question 13

What is the role of cdk-cyclin kinases

Answer 13

bind together in order to stimulate cell cycle

Question 14

proto-oncogenes

Answer 14

code for stimulating proteins

Question 15

tumor suppressor genes

Answer 15

code for inhibitory protiens

Question 16

The mutated allele for the tumor suppressor gene is

Answer 16

recessive

Question 17

The mutated allele for the oncogene is

Answer 17

dominant