Chapter 18 Vocab

Question 1

a complex of several proteins which is activate during mitosis to initiate anaphase

Answer 1

anaphase promoting complex

Question 2

a protein that must be present in the extracellular environment for the growth and normal development of certain types of cells

Answer 2

growth factor

Question 3

a protein inhibitor of the cyclin-dependant kinase

Answer 3

CDK inhibitor protein

Question 4

a regulatory protein whose concentration fluctuates cyclically

Answer 4

cyclin

Question 5

the series of events involving the growth, replication, and division of a eukaryotic cell

Answer 5

cell cycle

Question 6

protein kinase that only works when bound to active cyclin

Answer 6

cyclin dependent kinase

Question 7

cell cycle points where control is exerted

Answer 7

check point

Question 8

consists of gap 1 (G1), synthesis (S), and gap 2 (G2)

Answer 8

interphase

Question 9

when the DNA gets replicated

Answer 9

S phase

Question 10

an extracellular signal molecule that stimulates cell division

Answer 10

mitogen

Question 11

the second phase of the cell cycle, consisting of the portion of interphase after DNA synthesis occurs

Answer 11

G2 phase

Question 12

a type of cell death in which the cell uses specialized cellular machinery to kill itself

Answer 12

apoptosis

Question 13

An extracellular signal that must be present in order to prevent programmed cell death

Answer 13

survival factor

Question 14

the first phase of the cell cycle, consisting of the portion of interphase before DNA synthesis begins

Answer 14

G1 phase