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Cell cycle regulation

Total questions: 121

Worksheet time: 1hrs 1mins

Name
Class
Date
1.
What part of our cells holds our DNA?
a)
cytoplasm
b)
cell membrane
c)
nucleus
d)
ribosomes
2.
What is an advantage of sexual reproduction?
a)
Allows genetic variation
b)
Only needs one parent
c)
Happens very quickly
d)
Offspring are exact copies of parent
3.
After meiosis is complete, the new cells:
a)
are all identical
b)
are all different
c)
are half identical and half different
d)
are all stretched out
4.
What types of cells are found only in organisms that reproduce sexually?
a)
blood cells 
b)
neurons 
c)
skin cells 
d)
gametes 
5.
Which is true about asexual reproduction?
a)
Takes only one mate to reproduce and takes a longer time to reproduce
b)
Takes a shorter amount of time to reproduce and it takes two mates to reproduce
c)
Reproduces diverse offspring and takes a longer time to reproduce
d)
Takes only one mate to reproduce and takes a shorter time to reproduce
6.
What percentage of chromosomes are contributed by a sperm cell?
a)
75%
b)
25%
c)
50%
d)
100%
7.
Sexual reproduction requires _____ parents and asexual reproduction requires ___ parents
a)
1,1
b)
2,2
c)
2,1
d)
1,2 
8.
Which is a type of Asexual Reproduction
a)
Flowers being pollinated
b)
Binary fission
c)
Chickens laying fertilized eggs
d)
Conjugation
9.
Bacteria reproduce asexually by a process called 
a)
replication
b)
meiosis
c)
splitting in two
d)
binary fission
10.
Before a cell can divide, what must happen?
a)
Nothing, it is always ready to divide
b)
The number of chromosomes must be reduced by half
c)
The  chromosomes must replicate
d)
The number of chromosomes must triple.
11.
If the message never gets through for a cell to stop dividing and it just keeps dividing over and over again, what can form?
a)
tumor
b)
freckle
c)
goosebump
d)
scab
12.
In which type of cells will mitosis occur?
a)
egg cells
b)
germ cells
c)
jail cells
d)
Somatic cells
13.
After meiosis,  the haploid number of chromosomes in a human sex cell is:
a)
46
b)
92
c)
22
d)
23
14.
What is the diploid number of cells found in a human body cell?
a)
23
b)
46
c)
92
d)
47
15.
Meiosis creates how many cells?
a)
1
b)
2
c)
3
d)
4
16.
At the end of mitosis, how many identical cells will you have?
a)
1
b)
2
c)
3
d)
4
17.
Another name for a sex cell is a:
a)
gamete
b)
embryo
c)
bone cell
d)
muscle cell
18.
What type of environmental factors can be the cause of cancer?
a)
radiation from x-rays or the sun
b)
chemicals
c)
smoking
d)
all of the options
19.
What is an advantage of sexual reproduction over asexual reproduction?
a)
It increases diversity in the population, making it more adaptable to changing environments. 
b)
It is better for all organisms to be the same.
c)
It happens faster.
d)
It helps skin cells divide faster to heal wounds.
20.
The process on the left is:
The process on the right is:
a)
Left: meiosis
Right: meiosis
b)
Left: meiosis
Right: cloning
c)
Left: mitosis
Right: meiosis
d)
Left: mitosis
Right: mitosis
21.

Which of the following is a phase of mitosis?

a)

Anaphase

b)

S Phase

c)

G1 Phase

d)

Interphase

22.

One difference between cell division in plant and animal cells is during cytokinesis plant cells have —

a)

cleavage

b)

a cell plate

c)

chromosomes

d)

centrioles

23.

A tomato plant cell has 24 chromosomes. How many chromosomes will each daughter cell have after the cell undergoes a mitotic division?

a)

6 chromosomes each

b)

12 chromosomes each

c)

24 chromosomes each

d)

48 chromosomes each

24.

During meiosis, how many haploid daughter cells are produced?

a)

2

b)

4

c)

23

d)

46

25.

The teacher tells her class that some cells undergo meiosis and form haploid cells. Which group of cells are formed by meiotic division?

a)

sperm cells

b)

muscle fiber cells

c)

skin cells

d)

erythrocytes (red blood cells)

26.

The processes of meiosis and fertilization help ensure the survival of the species by providing each generation with the same number of

a)

gametes

b)

chromosomes

c)

body cells

d)

offspring

27.

Gametes must be haploid because —

a)

the gametes’ chromosomes will be replicated prior to cell division

b)

two gametes will unite during fertilization to create a diploid cell

c)

fertilization results with a haploid zygote

d)

gametes are small and can hold only the haploid number of chromosomes

28.

During which phase of meiosis does crossing over occur?

a)

Prophase II

b)

Telophase II

c)

Prophase I

d)

Metaphase I

29.

What occurs in meiosis but NOT in mitosis?

a)

chromosome replication

b)

the joining of homologous chromosomes

c)

production of daughter cells

d)

alignment of chromosomes along the metaphasal plate (middle)

30.

The process by which a cell divides into two genetically identical daughter cells is called —

a)

interphase

b)

meiosis

c)

cell division

d)

mitosis

31.

The process of mitosis ensures that each daughter cell has a copy of every chromosome present in the parent cell. What is the use of this process? Select each correct statement.

a)

It helps in multiplication of DNA.

b)

It helps replace old, worn out cells.

c)

It ensures that the functioning of the new daughter cells is the same as the parent.

d)

It creates reproductive cells.

32.
Structure (b) is a ____.
a)
chromosome
b)
chromatid
c)
centromere
33.
Structure (a) is a ____.
a)
chromosome
b)
chromatid
c)
centromere
34.
Structure (c) is a ____.
a)
chromosome
b)
chromatid
c)
centromere
35.
the two halves of the doubled chromosome structure 
a)
centromeres
b)
sister chromatids
c)
spindle
d)
tissues
36.
The result of meiosis is:
a)
two diploid cells
b)
two haploid cells
c)
four diploid cells
d)
four haploid cells
37.
Most of the cells in the human body are produced by
a)
mitosis
b)
meiosis
38.
products of meiosis are genetically
a)
different
b)
identical
39.
What are chromosomes?
a)
different versions of genes
b)
condensed DNA 
c)
uncoiled DNA
40.
A human usually has xx amount of chromosomes.
a)
6
b)
22
c)
4
d)
46
41.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
42.

Which of the following is a phase of mitosis?

a)

Anaphase

b)

S Phase

c)

G1 Phase

d)

Interphase

43.

A tomato plant cell has 24 chromosomes. How many chromosomes will each daughter cell have after the cell undergoes a mitotic division?

a)

6 chromosomes each

b)

12 chromosomes each

c)

24 chromosomes each

d)

48 chromosomes each

44.

During meiosis, how many haploid daughter cells are produced?

a)

2

b)

4

c)

23

d)

46

45.

The teacher tells her class that some cells undergo meiosis and form haploid cells. Which group of cells are formed by meiotic division?

a)

sperm cells

b)

muscle fiber cells

c)

skin cells

d)

erythrocytes (red blood cells)

46.

The processes of meiosis and fertilization help ensure the survival of the species by providing each generation with the same number of

a)

gametes

b)

chromosomes

c)

body cells

d)

offspring

47.
During which phase of the meiotic cell cycle does DNA replication occur?
a)
Interphase
b)
Prophase
c)
Metaphase
d)
Anaphase
48.
Name the phase:
a)
Anaphase
b)
Telophase
c)
Metaphase
d)
Prophase
49.
Name this phase of mitosis:
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
50.
how many chromatids are in this cell
a)
2
b)
4
c)
8
d)
16
51.
The cell spends most of its time in which phase?
a)
anaphase
b)
interphase
c)
prophase
d)
metaphase
52.
How many chromosomes do humans have?
a)
46-- 23 from mom, 23 from dad
b)
22--11 from mom, 11 from dad
c)
10-- 5 from mom, 5 from dad
d)
23
53.

if a body cell normally has 24 chromosomes how many will it have at the end of mitosis.

a)

6

b)

12

c)

24

d)

48

54.
Where in the cell can the genetic material (DNA) be found?
a)
nucleus
b)
nucleolus
c)
cytoskeleton
d)
golgi
55.
Which of the following does not occur by the process of mitosis?
a)
growth
b)
production of gametes
c)
repair
d)
development in the embryo
56.
How many chromosomes are in this cell?
a)
2
b)
4
c)
8
d)
16
57.
If a cell has 24 chromosomes at the beginning of meiosis how many chromosomes will it have at the end of meiosis?
a)
6
b)
12
c)
24
d)
the number varies with the species.
58.

Mitosis starts with one cell and ends with...

a)

one cell

b)

two cells

c)

three cells

d)

four cells

59.

What best explains the role of cellular division?

a)

to grow, develop, and repair tissue

b)

to eliminate unneeded cells

c)

to produce egg and sperm cells

d)

to eliminate waste from your body

60.
What is cell differentiation?
a)
Process by which cells produce more cells
b)
Process by which cells become specialized
c)
Process by which cells become unspecialized
d)
Process by which cells die
61.
What is one goal of cellular differentiation/specialization?
a)
To create specialized cells to help organism maintain homeostasis.
b)
To many cells.
c)
To make stem cells
d)
to make single celled organisms
62.
Stem cells are
a)
cells that grow uncontrollably
b)
undifferentiated and can be any type of cell
c)
never go through cell division
d)
only found in embryos
63.
what is the role of stem cells in the body 
a)
fight against infection 
b)
provide specialized roles in the body 
c)
used for fertility treatment 
d)
they produce new specialized cells in the body to replace old cells that are used up 
64.

Name the cellular process responsible for repair, growth, and development in living organisms.

a)

meiosis

b)

mitosis

c)

transcription

d)

translation

65.
What is the difference between embryonic stem cells and adult stem cells?
a)
Embryonic stem cells can differentiate into more cell types than adult stem cells
b)
Adult stem cells are pluripotent, just like embryonic stem cells
c)
Adult stem cells can differentiate into more cell types than embryonic stem cells
d)
Adult stem cells grow bigger than embryonic stem cells
66.
Why are scientists interested in studying stem cells?
a)
They never die.
b)
They come from the brain stem. 
c)
They can be transplanted into monkeys.
d)
They can become any type of cell.
67.
What is the importance of apoptosis?
a)
To eliminate damaged or unnecessary cells
b)
To create specialized cells
c)
To produce two identical cells
d)
To cause uncontrolled cell growth
68.

DNA replication is important for mitosis because...

a)

it results in a variety of traits amongst the same type of cells

b)

it ensures more genetic material in the strongest cells

c)

it ensures both cells will have identical, correct genetic information

d)

it creates variety amongst cells

69.

Is used in asexual reproduction

a)

mitosis

b)

meiosis

70.

The cells produced are genetically identical

a)

mitosis

b)

meiosis

71.

Is used in sexual production

a)

mitosis

b)

meiosis

72.

The cells are genetically different

a)

mitosis

b)

meiosis

73.

Is used for genetic diversity through sexual reproduction

a)

mitosis

b)

meiosis

74.

Is used for growth and repairing the body

a)

mitosis

b)

meiosis

75.

Cells divide once

a)

mitosis

b)

meiosis

76.

Cells divided twice

a)

mitosis

b)

meiosis

77.

4 haploid cells are produced

a)

mitosis

b)

meiosis

78.

2 diploid cells are produced

a)

mitosis

b)

meiosis

79.

The number of chromosomes are halved

a)

mitosis

b)

meiosis

80.

The number of chromosomes stay the same

a)

mitosis

b)

meiosis

81.

Centromeres split during anaphase

a)

mitosis

b)

meiosis

82.

Centromeres split during anaphase II

a)

mitosis

b)

meiosis

83.

Is used to create somatic cells (body cells)

a)

mitosis

b)

meiosis

84.

is only used to create sex cells

a)

mitosis

b)

meiosis

85.

Stages duplicate the DNA

a)

interphase

b)

prophase

c)

metaphase

d)

anaphase

86.

Stages condense the DNA into chromosomes

a)

interphase

b)

anaphase

c)

metaphase

d)

prophase

87.

Require the nuclear membrane to disappear

a)

prophase

b)

anaphase

c)

interphase

d)

metaphase

88.

Chromatids pulled apart by spindle fibers formed from the centrosome

a)

metaphase

b)

anaphase

c)

prophase

d)

interphas

89.
An abnormal mass of cancer cells is called a 
a)
tumor
b)
cyst
c)
lesion
d)
polyp
90.
Cancer creates abnormal cells by disrupting
a)
the cell cycle
b)
red blood cell formation
c)
DNA replication
d)
ATP synthesis
91.
Something that increases the chance of developing a disease.
a)
morbidity
b)
palliative treatment
c)
lifetime risk
d)
risk factor
92.
Cancer is
a)
a premature stop in the cell cycle.
b)
uncontrolled mitosis.
c)
programmed cell death.
93.

4.What contains all of the genetic information about the cell?

a)

A. cell wall

b)

B. cell membrane

c)

C. cytoplasm

d)

D. DNA

94.

8.During which stage does the nucleus divide in two?

a)

A. cytokinesis

b)

B. interphase

c)

C. mitosis

d)

D. cell cycle

95.
Cancer creates abnormal cells by disrupting
a)
the cell cycle
b)
red blood cell formation
c)
DNA replication
d)
ATP synthesis
96.
An abnormal mass of cancer cells is called a 
a)
tumor
b)
cyst
c)
lesion
d)
polyp
97.
Activities or choices that will affect your health.
a)
lifestyle factors
b)
biogenetics
c)
healthy choices
d)
habits
98.
What is cancer?
a)
The heart does not receive enough blood.
b)
Sudden disruption of blood flow to part of the brain.
c)
Blood filled weak spot.
d)
Uncontrolled growth and spread of abnormal cells.
99.

Activities or choices that will affect your health.

a)

risk factors

b)

biogenetics

c)

healthy choices

d)

habits

100.

What is a mutation?

a)

A mistake in DNA which can lead to cancer

b)

A complete copy of DNA

c)

A change in DNA which doesn't cause an issue

d)

A mistake in your body that is caught and removed

101.

These are examples of:


  • Surgery
  • Chemotherapy
  • Radiation
a)

Treatments for Cancer

b)

Mutations

c)

Examples of Asexual Reproduction

d)

Types of Tumors

102.
Cancer creates abnormal cells by disrupting
a)
the cell cycle
b)
red blood cell formation
c)
DNA replication
d)
ATP synthesis
103.
Cancer is caused by, or in other words arises because of...
a)
missing dna fibers
b)
the mutation of a gene
c)
general unhealthyness
d)
all of the above
104.
Mutated cancer causing genes are reffered to as...
a)
oncogenes
b)
oncologists
c)
optometrist
d)
oink
105.
Which type of tumor is dangerous, spreads across bodily systems via blood and lymphatic systems?
a)
benign
b)
malignant
106.
Metastasis is
a)
the spread of cancer from one part of the body to another.
b)
the growth of tumors in the lungs
c)
cancer of the blood cells
d)
cancer that is found in connective tissues
107.
Using drugs or medicines to destroy cancer cells.
a)
chemotherapy
b)
radiation therapy
c)
cancer surgery
d)
mitotic spindling
108.
A group of diseases involving abnormal cell growth that might spread to other parts of the body
a)
cancer
b)
mutagen
c)
mutation
d)
primary tumor
109.
Uncontrolled cell division is stopped by...
a)
tumor suppressor genes
b)
oncogenes
110.
Normal cell division is regulated by...
a)
Proto-oncogenes
b)
oncogenes
111.
Proto-oncogenes can mutate into...
a)
oncogenes
b)
tumor suppressor genes
c)
DNA repair proteins
112.
________________________ is a process of recognizing defective cells, letting them die, and replacing with normal cells.
a)
Mitosis
b)
Apoptosis
c)
Interphase
d)
Metaphase
113.

Why does chemotherapy have so many negative side effects?

a)

Chemo is very specific in the types of cells it kills.

b)

Chemo is given through an IV.

c)

Chemo weakens the immune system.

d)

Chemo kills all rapidly dividing cells.

114.

Which of the following best explains immunotherapy?

a)

It inactivates the tumor suppressors.

b)

It induces DNA damage to kill cells.

c)

It boosts the body's natural defenses to fight cancer.

d)

It stimulates the lysosomes to induce apoptosis.

115.

What do the blue cells represent?

a)

Cancer cells

b)

Normal cells

c)

B cells

d)

Liver cells

116.

What is cancer?

a)

The cell cycle moves too slowly

b)

Mitosis is skipped in the cell cycle

c)

A cell enters into the G1 phase

d)

Uncontrolled growth of Cells

117.

Tumors are...

a)

all malignant

b)

mass of abnormal cells that can grow uncontrollably

c)

usually benign

d)

always metastasizing

118.

Any substance that is known to cause cancer is called a...

a)

Carcinogen

b)

metastasizer

c)

Pathogen

d)

Retrovirus

119.

Which of these can cause cancer?

a)

viruses

b)

lack of sleep

c)

lack of exercise

d)

high-sugar diet

120.

Which type of cancer affects white blood cells?

a)

carcinoma

b)

leukemia

c)

sarcoma

d)

melanoma

121.

Which type of cancer affects tissue such as bone?

a)

carcinoma

b)

melanoma

c)

leukemia

d)

sarcoma

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