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Chromosome number AP biology

Total questions: 33

Worksheet time: 17mins

Name
Class
Date
1.

A cell has a diploid number of 12. How many chromosomes in a gamete

a)

24

b)

12

c)

6

d)

varies

2.

A cell has a x amount of DNA in S phase. How much does it have during anaphase?

a)

1/2x

b)

x

c)

2x

d)

4x

3.

a cell has a diploid number = 32. How many chromosomes does it have in G2

a)

16

b)

32

c)

64

d)

8

4.

You are able to count 8 centromeres in a cell in prophase. What is the diploid number for that cell?

a)

2

b)

4

c)

8

d)

16

5.

you are able to count 32 telomeres in a cell in G zero. What is the diploid number for that cell?

a)

32

b)

16

c)

8

d)

64

6.

there is X amount of DNA in a gamete. How much is there in a body cell at G0

a)

1/2x

b)

2X

c)

4X

d)

1/4x

7.

there is X amount of DNA in a gamete. How much is there in a body cell at G2

a)

1/2x

b)

x

c)

2x

d)

4x

8.

There are 14 chromosomes in a cell in Prophase. How many are there in metaphase

a)

14

b)

28

c)

7

d)

21

9.

A cell has 20 chromosomes in G1, how many chromatids in M phase

a)

10

b)

20

c)

40

d)

80

10.

DNA wraps around

a)

histones

b)

histamines

c)

nuclear pores

d)

restriction points

11.

histones: nucleosomes : : grapes:

a)

grape jelly

b)

peanut butter

c)

grape vine

d)

grape bunch

12.

nucleosomes bunch up as the chromatin coils and appears as

a)

beads on a string

b)

chairs around a table

c)

planes at a terminal

d)

rays around a sun

13.

centromeres: telomeres :: 50 yard line:

a)

sidelines

b)

1st down

c)

goalposts

d)

players

14.

centrioles

a)

is the plural of centrosomes

b)

attach sister chromatids

c)

make the spindle fiber

d)

appear at the end of cytokinesis

15.

cytokinesis in plants varies from animals in that

a)

plants make a cleavage furrow

b)

plants make a cell plate

c)

plants have less cytoplasm

d)

usually the nuclear membrane doesnt fully form as fast as that of the animal cell's nuclear membrane

16.

when does the nuclear membrane disappear?

a)

G2

b)

Prophase

c)

Cytokinesis

d)

S phase

17.

The spindle first starts to form in

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

18.

What is not visible until the beginning of prophase

a)

the nuclear membrane

b)

centrioles

c)

centromeres

d)

chromosomes

19.

when do chromosomes line up along the middle of the cell?

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

20.

what is cell replication in a prokaryote called?

a)

meiosis

b)

reduction division

c)

direct bacterial self cloning initiative (DBSCI)

d)

binary fission

21.

what is the order of the cell cycle

a)

G1, S, G2, interphase, M phase, cytokinesis, mitosis

b)

G1, G2, S, mitosis, cytokinesis

c)

G1, S, G2, mitosis, cytokinesis

d)

S, G1, G2, mitosis, cytokinesis

22.

If I wanted to see DNA replication, which part of the cell cycle would I want to observe?

a)

S phase

b)

G1

c)

G2

d)

cytokinesis

23.

what type of cell is most likely arrested (stopped) in G1 (pick all that apply)

a)

nerve cells

b)

cardiac muscle cells

c)

skin cells

d)

stomach cells

24.

mitosis is division of the ______________, cytokinesis is division of the _________________

a)

cytoplasm, nucleus

b)

nucleus, cytoplasm

c)

chromsomes, cytoplasm,

d)

cell, cell

25.

if an organism's skin cell has 78 chromosomes, how many chromosomes are in a cell created by oogenesis?

a)

78

b)

156

c)

39

d)

46

26.

How many chromosomes are there in a human liver cell in prophase

a)

46

b)

12

c)

23

d)

92

27.

if I wanted to see rapidly multiplying mitochondria, what part of the cell cycle would I want to observe

a)

S

b)

G1

c)

G2

d)

cytokinesis

28.

what is the restriction point

a)

the place where an animal cell pinches in half in cytokinesis

b)

the point where sister chromatids are attached

c)

the point where chromosomes attach to spindle fibers

d)

the point in the cell cycle where the cell needs a hormone message in order to move to S phase

29.

cells usually do not continue to divide when they become crowded. What is this called

a)

platlet derived growth factors

b)

density-independence

c)

density-dependent inhibition

d)

anchorage dependence

30.

proteins that drive a cell cycle are: (chose all that apply)

a)

cyclin-dependent kinases

b)

cdks

c)

cyclin

d)

kinases

31.

pdgf (chose all that apply)

a)

are produced a locations of tissue damage

b)

cause cells to move past the restriction point

c)

stand for platelet derived growth factors

d)

help repair wounds

32.

cells that cause malignancy

a)

do not respond to anchorage dependency

b)

respond to density-dependent inhibition

c)

lack kinases

d)

can't make spindle fibers

33.

cells derived from a cancer patient in 1951 and continue to divide today are called

a)

transformational

b)

HeLa cells

c)

useless for anything other than cancer research

d)

oogeneic templates