Chapter 11 Part 1

Question 1

what are the 4 main events that occur in cell division?

Answer 1

1.cell division signals
2.DNA replication
3.DNA segregation
4.cytokinesis

Question 2

Prokaryotes have ___ chromosome

Answer 2

1

Question 3

chromosome

Answer 3

single molecule of DNA

Question 4

ori

Answer 4

start of DNA replication

Question 5

ter

Answer 5

where replication ends

Question 6

in eukaryotes replication occurs in the ___ of the cell cycle

Answer 6

S phase

Question 7

the cell cycle occurs in ____ and is the phases a cell passes through to produce ____ by cell division

Answer 7

1. eukaryotes
   2.daughter cells

Question 8

Interphase includes

Answer 8

G1, S, and G2 phases.

Question 9

During interphase, the cell nucleus is ___. typical cell functions occur including ____

Answer 9

1. visible
2. replication

Question 10

G1

Answer 10

chromosomes are un-replicated. can take minutes to years. ends at G1-S transition.

Question 11

S

Answer 11

DNA replication

Question 12

G2

Answer 12

cell prepares for mitosis, making structures such as centrosomes.

Question 13

M

Answer 13

includes mitosis and cytokinesis; nuclear division.

Question 14

How do protein kinases cause phosphorylation?

Answer 14

kinases hydrolyze ATP to ADP, transferring a P to a protein.

Question 15

what do protein kinases depend on?

Answer 15

cyclin
-binds- changes shape and exposes active site.