Chapter 10 Practice Quiz

1.

1 point

What is the second step of Mitosis?

Metaphase

Telophase

Anaphase

S

2.

1 point

DNA is the genetic code of the cell.

True

False

3.

1 point

What is the final step in Mitosis?

Prophase

Telophase

Anaphase

G1

4.

1 point

Choose one reason why unicellular divide.

to reproduce

This is not the answer

to watch T.V

to absorb nutrients

5.

1 point

What happens in S phase?

Divisions of the cell and nucleus

DNA is replicated or doubled

growth, doubling of cell organelles

preparation for cell division

6.

1 point

Click all that apply to Anaphase.

Separation of Sister Chromatids happen

Each Cromatid gets attached to a spindle fiber

Each replicated chromosome splits at the centromere

Spindle fibers shorten to pull daughter chromosomes towards each pole

7.

1 point

Click all that apply in Metaphase.

Centrioles migrate towards the poles

Nuclear Envelope breaks down

Replicated chromosomes line up at the equator (middle) of the cell

Each chromatid is attached to a spindle fiber

It is the briefest stage in Mitosis.

8.

1 point

What is the 3rd step of Mitosis?

Prophase

Telophase

Anaphase

Metaphase

9.

1 point

What phases are in the M phase?

Cytokinises

S

Mitosis

G1

10.

1 point

Click all that apply in Prophase.

Chromosomes uncoil

Spindle fibers form and attach to centromeres of each chromosome

Spindle Fibers shorten to pull daughter chromosomes toward each pole

DNA coils tightly to form chromosomes

Nucleolus breaks down

Nuclear Envelope breaks down

Centrioles migrate to the poles

11.

1 point

What is the 1st stage of Mitosis?

Metaphase

Anaphase

Prophase

Telophase

12.

1 point

When cells are placed in a petri dish, they will grow until they come in contact with each other.

True

False

13.

1 point

Eukaryotic cell cycle consist of ___ phases.

A, B, C, D, M

G1, S, G2, M

S1, S2, G1, G2, J7

G1, G2, G3, G4

14.

1 point

Cancer is a result of..... (more than one answer)

the failure to produce certain enzymes

production at the wrong times of other enzymes

overproduction of enzymes

15.

1 point

Choose the cells that cannot be duplicated.

Muscles

Skin

Nerve

Toenail

16.

1 point

When does Cytokinesis start?

Anaphase

G1

Prophase

Telophase

17.

1 point

What is the Indentation made in animal cells during Cytokinesis.

18.

1 point

The DNA must be replicated and divided evenly between the two new father cells.

True

False, It is the daughter cells

19.

1 point

When cancer takes place, cells do not respond to regulators.

True

False

20.

1 point

What is the longest part of the cell cycle?

Prophase

Anaphase

Interphase

Metaphase

21.

1 point

What happens in G2 phase?

growth, doubling of cell organelles

division of nucleus and cell

DNA is replicated or doubled

Preparation for cell division

22.

1 point

When cell division slows down, what can we infer about the cell?

That the growth of the cell is never ending

That the growth of the cell can be turned off and on

That the growth of the cell only occurs in animals

That the growth of the cell is instantaneous

23.

1 point

What are the masses of tissue caused by cancer?

24.

1 point

Cancer is uncontrolled cell growth and division.

True

False

25.

1 point

As a cell grows, the area increases faster than surface area.

True

False

26.

1 point

What cells divide often? (2 answers)

Heart

Muscle

Digestive Tract

Skin

27.

1 point

Is this True or False
Cells must divide for three main reasons...
1. Not enough DNA to provide the information a cell need to survive
2. Diffusion is too slow
3.The surface area of a cell does not increase as fast as the volume of the cell and the cell cannot get what it needs to survive

True

False

28.

1 point

Regulators is another word for____.

Garfield the cat

enzymes

germs

Lilly pads

29.

1 point

Cell division takes place in the M phase.

True

False

30.

1 point

Normal cells stop growing when they contact other cells.
For Ex. a cut on your skin

True

False

31.

1 point

What happens in G1 phase?

Preparation for cell division

growth, doubling of cell organelles

DNA is replicated or doubled

32.

1 point

In eukaryotes, what are the proteins that control the cell cycle.

Glucose

Starch

Ribosomes

Cyclins

33.

1 point

Cell division takes place in the S phase.

True

False

34.

1 point

In prokaryotes, the cell cycle is simple and may occur as often as every ___ minutes.

20

150

9+10

21

35.

1 point

When there is an injury, the cell ___ to the injured area will begin to divide (start the healing process).

closest

farthest

36.

1 point

All information for cell function is in the ______. (Not Nucleus, but in the Nucleus)

37.

1 point

Chromatin is a tightly-coiled strand of DNA and Chromosomes are long strands of uncoiled DNA.

True

False, It is the other way around.

38.

1 point

Mitosis comes before Cytokinesis?

True

False

39.

1 point

Click all that apply to Cytokinesis.

Cell Plate forms in Plant Cells

Overlaps with Telophase

Potatoes grow

Animal cells pinches in (Cleavage Furrow)

40.

1 point

Click all that apply to Telophase.

Nuclear Envelope reforms

Mitosis is complete

The Cell is in S phase

Chromosomes uncoil into chromatins

The Cell grows

Spindle fibers break down

Nucleolus reforoms

Events of Prophase are reversed

41.

1 point

DNA replicates before the cells divide.

True

False

42.

1 point

Make sure you know what environmental factors play a role in cancer.
Ex. The Sun/ UV rays

ok

no

43.

1 point

What is the period when the cell grows, replicates its DNA, and prepares to divide?

*Hint: it includes the G1 phase, S phase, G2 phase.

Interphase

Cytokinesis

Prophase

Mitosis

44.

1 point

Cells in multicellular have what characteristics?

Size

Time of cell division

Color and Shape

Rate of growth

45.

1 point

In Eukaryotes, cells that divide regularly will go through the cell cycle in about __ hours.

This is not the answer

24

This is not the answer

46.

1 point

Cell growth and division are carefully controlled.

True

False

47.

1 point

What phases are in Interphase?

Mitosis

Cytokenises

G1, Mitosis, S

G1, S, G2

48.

1 point

What is DNA like in Interphase?

It is loosely coiled as chromatin

It is woundly tightly together

49.

1 point

Cells in multicellular organisms divide to____. (2 answers)

drink coffee

replace lost lost or damaged cells

make nutrients

allow the organism to grow

50.

1 point

Tumors deprive non-cancerous cells of nutrients.

True

False