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Cell divisions

Total questions: 48

Worksheet time: 25mins

Name
Class
Date
1.

Which process would help you grow the hairs on your head?

a)

Mitosis only

b)

Meiosis only

c)

Both Mitosis & Meiosis

d)

Neither Mitosis or Meiosis

2.

Which process might help you have children someday?

a)

Mitosis only

b)

Meiosis only

c)

Both Mitosis & Meiosis

d)

Neither Mitosis or Meiosis

3.

What fraction of your heart is as old as you are?

a)

1/3

b)

1/10

c)

1/2

d)

3/4

4.

If you grow 1 inch taller this year, that is because

a)

I now have more cells

b)

My cells have grown larger

5.

Can a red blood cell divide to replace damaged skin cells when you are healing a cut?

a)

Yes, mitosis can help cells take on new specialized tasks

b)

Yes, meiosis can help cells take on new specialized tasks

c)

No, mitosis only creates new cells identical to the one that divides

d)

No, meiosis only creates new cells identical to the one that divides

6.

Is mitosis happening in your body right now?

a)

Yes, roughly 10% of my body's cells are in some stage of mitosis

b)

Yes, roughly 40% of my body's cells are in some stage of mitosis

c)

Yes, roughly 90% of my body's cells are in some stage of mitosis

d)

No, mitosis only happens at night during the full moon

7.

What condition would you be diagnosed with if your cells are dividing more frequently than normal?

a)

DNA polymerase

b)

Cancer

c)

Angiogenesis

d)

Apoptosis

8.

Which of the following might a cell be doing during interphase?

a)

DNA replication

b)

RNA transcription

c)

cellular respiration

d)

all of these

9.

Which of these events occurs first?

a)

DNA is replicated

b)

Chromatin condenses to form chromatids

c)

Chromatids are connected by a centromere

d)

Chromatids are pulled apart by spindle fibers

10.

What is the name of the process that duplicates the chromatid?

a)

DNA replication

b)

RNA transcription

c)

cellular respiration

d)

protein synthesis

11.

After it has duplicated, there is(are) ___ chromosome and ___ chromatids

a)

1,2

b)

2,1

c)

1,1

d)

2,2

12.

Which description is most accurate?

a)

Animal cell in anaphase

b)

Animal cell in telophase

c)

Plant cell in prophase

d)

Plant cell in mitosis

13.

Which description is most accurate?

a)

Animal cell in interphase

b)

Animal cell in prophase

c)

Plant cell in metaphase

d)

Plant cell in telophase

14.

Which description is most accurate?

a)

Animal cell in anaphase

b)

Animal cell in interphase

c)

Plant cell in telophase

d)

Plant cell in prophase

15.

Which description is most accurate?

a)

Animal cell in anaphase

b)

Animal cell in metaphase

c)

Plant cell in prophase

d)

Plant cell in interphase

16.

Which description is most accurate?

a)

Animal cell in telophase

b)

Animal cell in interphase

c)

Plant cell in prophase

d)

Plant cell in metaphase

17.

Which of the following events would happen last?

a)

the nucleus dissolves

b)

new nuclear membranes form around groups of chromosomes

c)

chromosomes move to the middle of the cell

d)

DNA replication copies all chromosomes

18.

Which of the following is an abnormal mass of essentially normal cells?

a)

Benign tumor

b)

Malignant tumor

c)

Cancer

d)

Metastasis

19.

Which of the following occurs when cancer cells spread beyond their original site?

a)

Heterogeneity

b)

Oncogenes

c)

Apoptosis

d)

Metastasis

20.

Which of the following may be used to treat cancer?

a)

Radiation

b)

Chemotherapy

c)

Immunotherapy

d)

All of these

21.

Which of the following connects 2 sister chromatids in an X shaped chromosome?

a)

spindle fibers

b)

centriole

c)

centromere

d)

chromatin

22.

Which of the following move chromosomes around during Mitosis and Meiosis?

a)

cytokinesis

b)

metastasis

c)

angiogenesis

d)

spindle fibers

23.

Which of the following occurs when the cytoplasm and other cell contents are split up?

a)

cytokinesis

b)

apoptosis

c)

angiogenesis

d)

psoriasis

24.

When our cells are performing normal daily tasks, the DNA in their nucleus could best be describe as

a)

chromatin

b)

chromatids

c)

RNA

d)

cytokinesis

25.

Cells get clues about which genes to use and which tasks to perform from

a)

their ECM

b)

their nucleus

c)

their proteins

d)

their phospholipids

26.

A cell that contains an oncogene will always behave like a cancerous cell and form a tumor

a)

True

b)

False

27.

The behavior of cells can be changed using chemical messages in their environment

a)

True

b)

False

28.

All cells in your body contain copies of the exact same 46 chromosomes.

a)

True

b)

False

29.

All cells in your body read and use every gene found in their nucleus

a)

True

b)

False

30.

Tumor heterogeneity means

a)

Tumors not caught early will be more difficult to treat

b)

Cells in tumors may contain a variety of mutations

c)

Cells in tumors may have varied responses to a single medicine

d)

All of these

31.

In humans, this produces cells that contain 46 chromosomes

a)

Mitosis only

b)

Meiosis only

c)

Both Mitosis & Meiosis

d)

Neither Mitosis or Meiosis

32.

In humans, this process helps heal wounds

a)

Mitosis only

b)

Meiosis only

c)

Mitosis & Meiosis

d)

Neither Mitosis or Meiosis

33.

In humans this produces sperm or eggs

a)

Mitosis only

b)

Meiosis only

c)

Both Mitosis & Meiosis

d)

Neither Mitosis or Meiosis

34.

This process must be paired with cytokinesis to complete cell division

a)

Mitosis only

b)

Meiosis only

c)

Both Mitosis & Meiosis

d)

Neither Mitosis or Meiosis

35.

This process can be used to reproduce organisms

a)

Mitosis only

b)

Meiosis only

c)

Both Mitosis & Meiosis

d)

Neither Mitosis or Meiosis

36.

This process divides chromatids into groups

a)

Mitosis only

b)

Meiosis only

c)

Both Mitosis & Meiosis

d)

Neither Mitosis or Meiosis

37.

This process splits homologous chromosomes into groups

a)

Mitosis only

b)

Meiosis only

c)

Both Mitosis & Meiosis

d)

Neither Mitosis or Meiosis

38.

This process includes an opportunity for chromatids to trade pieces during crossing over

a)

Mitosis only

b)

Meiosis only

c)

Both Mitosis & Meiosis

d)

Neither Mitosis or Meiosis

39.

This process starts with one cell and ends with 6 cells

a)

Mitosis only

b)

Meiosis only

c)

Both Mitosis & Meiosis

d)

Neither Mitosis or Meiosis

40.

During Meiosis, which of the events listed occurs first?

a)

Crossing over occurs

b)

Cytokinesis occurs

c)

New nuclei form around each group of chromosomes

d)

The chromatids move away from the middle as they are split up

41.

During Meiosis, which event listed happens last?

a)

the nucleus dissolves

b)

the homologous chromosome pairs line up in the middle

c)

the chromatids are paired up

d)

cytokinesis occurs

42.

Oogenesis and spermatogenesis are similar because

a)

they both produce gametes

b)

they both produce haploid cells

c)

they are only used for sexual reproduction

d)

all of these

43.

Oogenesis and spermatogenesis are different because

a)

Oogenesis produces one large ovum (egg), spermatogenesis produces 4 small sperm

b)

Oogenesis begins during fetal development, spermatogenesis does not begin until puberty

c)

Oogenesis produces an average of one ovum (egg) a month in humans, spermatogenesis produces millions of sperm a day

d)

all of these

44.

___ mutations happen when a chromatid trades away a shorter section than it gets back, ending with additional copies of 1 or more genes on the chromatid

a)

deletion

b)

duplication

c)

inversion

d)

translocation

45.

___ mutations happen when a chromatid trades away a longer section than it gets back, ending with a chromatid that is missing 1 or more genes

a)

deletion

b)

duplication

c)

inversion

d)

translocation

46.

___ mutations happen when a pair of sister chromatids fail to split up during Anaphase II, resulting in some gametes with too many chromatids and others with too few chromatids

a)

nondisjunction

b)

translocation

c)

inversion

d)

deletion

47.

___ mutations involve non-homologous chromsomes

a)

nondisjunction

b)

inversion

c)

translocation

d)

duplication

48.

To earn credit for this assignment you need to answer ___% of questions accurately

a)

80

b)

70

c)

90

d)

60

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