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Mitosis & Differentiation - HS-LS1-4, HS-LS-3-1

Total questions: 150

Worksheet time: 5hrs 0mins

Name
Class
Date
1.

List the phases of mitosis in the correct order beginning with interphase.

a)

interphase

b)

prophase

c)

metaphase

d)

anaphase

e)

telophase

1)
2)
3)
4)
5)
2.

The picture depicts which process?

a)

Meiosis

b)

Mitosis

c)

DNA replication

d)

Fertilization

3.

During normal mitosis & cytokinesis, a parent cell that has 4 chromosomes will produce two daughter cells, each containing

a)

2 chromosomes

b)

4 chromosomes

c)

8 chromosomes

d)

16 chromosomes

4.

The image shows a chromosome.

What is the name of the structure labeled A?

a)

chromatid

b)

nucleus

c)

cell membrane

d)

centromere

5.

Which phase of the cell cycle is the longest?

a)

interphase

b)

mitosis

c)

metaphase

d)

cytokinesis

6.

Look at the diagram.

A: Interphase

B: Prophase

The cell labeled E is in ___.

a)

Metaphase

b)

Prophase

c)

Cytokinesis

d)

Telophase

7.

What is happening during interphase?

a)

Cell develops a second nucleus

b)

The cell is preparing for division

c)

The cell shrinks and breaks apart

d)

The cell divides into two new cells

8.

The growth phase of the cell cycle is called

a)

Interphase

b)

Telophase

c)

Prophase

d)

Anaphase

9.

Cancer is defined as the

a)

uncontrolled division of mutated cells

b)

normal division of cells

c)

normal DNA replication

d)

abnormal ATP synthesis

10.

This diagram represents the time a cell spends during steps of the cell cycle.

Identify when cells make a full copy of their DNA before they can divide.

A
B
C
D
11.

Organisms undergo cell reproduction for ___, ___, and ___.

*Select THREE purposes of cell reproduction.

a)

growth

b)

repair

c)

passing on genetic information

d)

apoptosis

e)

photosynthesis

12.

Which phase is this in?

a)

Interphase

b)

Metaphase

c)

Anaphase

d)

Telephase

13.
What is the purpose of mitosis?
a)
To increase the surface area of a cell
b)
To allow cells to divide for growth, repair, and renewal
c)
For increasing genetic variation within a species
d)
To allow for DNA replication and protein synthesis
14.

When you skin your knee, what do the cells need to do to repair your skin?

a)

Mitosis - divide and copy

b)

Fragmentation - break off and make a new organism

c)

Meiosis -- make gametes

d)

Apoptosis

15.

How many total chromosomes would be in LIVER, STOMACH, and SKIN CELLS of a Australian Shepherd?

a)

1

b)

2

c)

17

d)

34

16.

How many total chromosomes would be in LIVER, STOMACH, and SKIN CELLS of a Corgi?

a)

1

b)

22

c)

17

d)

34

17.

How many total chromosomes would be in a BODY CELL of a Corgi ?

a)

1

b)

2

c)

11

d)

22

18.

How many total chromosomes would be in a BODY CELL of a Great Dane ?

a)

34

b)

22

c)

11

d)

44

e)

68

19.
a)
Mitosis
b)
Meiosis
20.

An egg cell has 23 chromosomes. A sperm cell has 23 chromosomes.

A human zygote has _____ chromosomes.

a)
46
b)
23
c)
92
d)
64
21.

What is Cancer?

a)

uncontrolled cell division

b)

when a cell touches another cell and stops growing

c)

mutations in the DNA of cells

d)

a contagious disease

22.

How do masses of cancer cells affect normal cells?

a)

They deprive normal cells of nutrients.

b)

They provide normal cells with nutrients.

c)

Cancer cells are the same as stem cells.

d)

Cancer cells do not affect normal cells.

23.

Stem cells are ____________________.

a)

cells that grow uncontrollably

b)

undifferentiated cells that can turn into other types of cells

c)

the first cells of a new living organism (fertilized egg)

d)

specialized cells that do one job

24.
Which of the following cells is UNdifferentiated or UNspecialized?
a)
cardiac muscle cell
b)
nerve cell
c)
liver cell
d)
stem cell
25.

The cells produced by mitosis are

a)

Identical

b)

Different

26.

How many daughter cells are created during mitosis?

a)

1

b)

2

c)

3

d)

4

27.

Numbers -- chromosomes & reproduction

a)

Humans have ___ chromosomes in body cells

1.

46

b)

Humans have ___ chromosomes in gametes (sex cells).

2.

23

c)

How many cells are made during mitosis?

3.

2

d)

How many cells are made during meiosis?

4.

4

28.

A male shark has 40 chromosomes in each of its sex cells.

How many would be present in its body cells?

a)
20
b)
40
c)
80
d)
160
29.

If a person had "XY" chromosomes, their gender would be:

a)

male

b)

female

c)

cannot be determined

30.

If a person had "XX" chromosomes, their gender would be:

a)

male

b)

female

c)

cannot be determined

31.

Mitosis occurs in a

a)

sex cell (gamete)

b)

somatic (body) cell

32.

What is the genetic material called in cells?

a)

RNA

b)

a nucleus

c)

DNA

d)

cell membrane

33.

Only requires one parent

a)

asexual reproduction

b)

sexual reproduction

34.

requires two parents

a)

asexual reproduction

b)

sexual reproduction

35.

offspring are unique from the parent and each other

a)

asexual reproduction

b)

sexual reproduction

36.

organisms are clones of parent

a)

asexual reproduction

b)

sexual reproduction

37.

What is the correct sequence of structures from smallest to largest?

a)

DNA, Gene, Nucleus, Chromosome, Cell

b)

Gene, DNA, Chromosomes, Nucleus, Cell

38.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
39.

Why is DNA important?

a)

DNA produces lipids and lysosomes.

b)

It carries the instructions for our cells.

c)

DNA transports oxygen to capillaries.

d)

It is a molecule.

e)

DNA is important.

40.

Why is DNA important?

a)

It teleports cookies to my locker.

b)

It carries the instructions for our cells.

c)

It allows a cell to be invisible.

d)

It makes energy (ATP) for a cell.

e)

DNA = deoxyribonucleic acid

41.

Sex cells are gametes (sperm & eggs)

Body cells include all other cell types, including liver, skin, and blood cells.

Sex cells have ____ of the DNA found in body cells.

a)

all

b)

none

c)

half

d)

a little bit

42.
Which phase comes NEXT?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
43.

cell cycle labeling

a)

telophase

b)

interphase

c)

prophase

d)

metaphase

e)

anaphase

1
2
3
4
5
1)
2)
3)
4)
5)
44.

Label the following phases.

a)

metaphase

b)

cancer

c)

telophase

d)

cytokinesis

e)

prophase

f)

anaphase

g)

interphase

1
2
3
4
5
1)
2)
3)
4)
5)
45.

Chromosomes are made of

a)

DNA

b)

genes

c)

proteins

d)

traits

46.

What do genes do?

a)

They make chromosomes

b)

Allow some things in the cell but not others

c)

Control the production of proteins

d)

Cytokinesis

47.

Bundles of tightly coiled DNA

a)

Chromosome

b)

Genes

c)

Traits

d)

Nucleus

48.

The material that exists in every cell in your body that holds your genetic code. It Is like your body’s cookbook.

a)

Gene

b)

DNA

c)

Chromosome

d)

Trait

49.

Sections of DNA that contain the set of instructions that control how our body grows and works and controls many of our characteristics.

a)

Chromosome

b)

Nucleus

c)

Genes

d)

Cell

50.

Label the following terms: Cell, DNA, Chromosome, Nucleus, Gene

a)

Gene

b)

DNA

c)

Chromosome

d)

Nucleus

e)

Cell

1
2
3
4
5
1)
2)
3)
4)
5)
51.

Identify the image that best represents a gene.

A
B
C
D
E
52.

Identify the image that best represents the structure of DNA.

A
B
C
D
E
53.

What do each of the colored bands on the chromosome diagram represent? 

a)

DNA

b)

Cells

c)

Genes

d)

Chromosomes

e)

Mitosis

54.

Where are chromosomes located in the cell?

a)
cytoplasm
b)

DNA

c)
cell membrane
d)
nucleus
55.

Humans have ​ (a)   of cells in our bodies.

Choose from the below words
Trillions
Billions
Millions
Thousands
56.

Categorize mitosis and DNA terms/phrases.

Categorize the following

prophase

metaphase

anaphase

telophase

chromosome

chromatin

contains genes

this must be copied before prophase

Mitosis terms
DNA terms
57.

Cells must make ____ of their DNA before they can divide.

a)

a full copy

b)

more

c)

part

d)

new kinds

58.

Cells reproduce asexually through a process known as ____.

a)

mitosis

b)

meiosis

c)

interphase

d)

cytoplasm

59.

Mitosis passes on genetically identical materials via _____.

a)

replication

b)

meiosis

c)

calculations

d)

digesting

60.

In multicellular organisms, individual cells grow and then divide via a process called mitosis allowing the organism to ____.

a)

produce ATP

b)

grow

c)

convert CO2 to O2

d)

read

61.

What TWO processes produce and maintain a complex organism?

Select TWO!

a)

Cellular division

b)

differentiation

c)

photosynthesis

d)

Plate tectonics

62.

What TWO processes produce and maintain a complex organism?

Select TWO!

a)

Cellular division

b)

differentiation

c)

cellular respiration

d)

ossification

63.

What TWO processes produce and maintain a complex organism?

Select TWO!

a)

Cellular division

b)

differentiation

c)

backdoor

d)

cut

64.

Mitosis is a form of asexual reproduction that produces new cells for growth and ___.

a)

healing

b)

cut

c)

backdoor

d)

growth

e)

making ATP

65.

Cells spend most of their lives in which phase?

a)

Interphase

b)

Prophase

c)

Telophase

d)

Metaphase

66.

The G1, S, and G2 are parts of which phase of the cell cycle?

a)

Prophase

b)

Interphase

c)

Telophase

d)

Anaphase

67.

Why do cells go through mitosis?

a)

to make food from sunlight

b)

to get air into the cells

c)

to create proteins

d)

to reproduce, grow, and repair/replace cells

68.

Is interphase a part of Mitosis?

a)

Yes, it happens after prophase

b)

No, it happens before mitosis

69.
An abnormal mass of cancer cells is called a 
a)
tumor
b)
cyst
c)
lesion
d)
polyp
70.
Cancer creates abnormal cells by disrupting
a)
the cell cycle
b)
red blood cell formation
c)
DNA replication
d)
ATP synthesis
71.

Which type of tumor causes more damage?

a)

malignant

b)

benign

72.
Non-cancerous tumors are called _____. Cancerous tumors are called _____.
a)
metastatic ; malignant
b)
malignant ; benign
c)
benign ; malignant
d)
benign ; metastatic
73.
Which phrase best describes cancer?
a)
absence of cyclins
b)
multiple gene mutations
c)
uncontrolled cell growth
d)
precesnce of genetic defects
74.

Cancer is defined as the

a)

uncontrolled division of mutated cells

b)

normal division of cells

c)

normal DNA replication

d)

abnormal ATP synthesis

75.

A benign tumor differs from a malignant tumor in that a benign tumor

a)

is cancerous

b)

spreads from the original site

c)

does not metastasize

d)

never causes health problems

76.

A ________________is a critical point where stop and go signals can regulate the cycle

a)

tumor

b)

checkpoint

c)

growth factor

d)

oncogene

77.
When it occurs at the proper time, programmed cell death (apoptosis)
a)

always disrupt homeostasis

b)

usually cause defective genetic info to be passed to the next generation of cells

c)
is an important regulatory process that maintains the health of a multicellular organism
d)

commonly contribute to the development of cancer

78.

The invasion of the bloodstream by a malignant cell that takes up residence in a new location is called.

a)

Metastasis

b)

Metaphase

79.

Any substance that is known to cause cancer is called a

a)

Pathogen

b)

Biopsy

c)

Carcinogen

d)

Retrovirus

80.

Cell programmed self destruction is called

a)

Atopic

b)

Apoptosis

c)

Antiparallel

d)

Anticellular

81.

Which of the following are checkpoints that the cell must pass before dividing?

**CHOOSE THREE

a)

Have enough nutrients

b)

Have correctly copied all DNA

c)

Be large enough to divide

d)

Be a skin cell

e)

Perform photosynthesis

82.

Which of the following are checkpoints that the cell must pass before dividing?

**CHOOSE THREE

a)

Have enough nutrients

b)

Have correctly copied all DNA

c)

Be large enough to divide

d)

cut and backdoor

e)

Be eight days old

83.

Which of the following are known carcinogens?

CHOOSE ALL THAT APPLY!

a)

UV rays

b)

X-rays

c)

Certain viruses

d)

Eating fruits

e)

Smoking

84.

Common treatments for cancer include:

CHOOSE THREE!

a)

chemotherapy

b)

immunotherapy

c)

radiation therapy

d)

psychotherapy

e)

multivitamins

85.

Elephants have 20 different copies of a tumor-suppressing gene known as p53.

This gene encodes a protein, also known as p53, which serves as a crucial cell protector from ____.

a)

cancer

b)

growing old

c)

mitosis

d)

meiosis

86.

In general, the bigger an animal gets, the more its cancer risk increases. This is not always the case though. Which animals rarely get cancer? Pick TWO.

a)

humans

b)

dogs

c)

elephants

d)

whales

87.

Although researchers know that cancer risk increases as a person ages and gains weight, whales, the world’s largest mammals, _____ experience this correlation.

a)

do not

b)

do

88.

According to the graph, which cells have the longest lifespan?

Select TWO

a)

Brain

b)

Bone

c)

Taste Buds

d)

Lungs

e)

Muscle

89.

According to the graph, which cells live for about 2 months only?

Select ONE

a)

Brain

b)

Bone

c)

Taste Buds

d)

red blood cells

e)

skin

90.

According to the graph, which cells have the shortest lifespan?

Select TWO

a)

Brain

b)

Bone

c)

Taste Buds

d)

intestine

e)

Muscle

91.

Approximately how many cells can you see in this photo?

About _____

a)

60

b)

6,000

c)

3 million

d)

4

e)

8

92.

Approximately how many cells in this photo are undergoing mitosis?

a)

all of them

b)

6,000

c)

3 million

d)

4

e)

1

93.

Most of the cells in this image are in what stage of the cell cycle?

a)

interphase

b)

mitosis

94.

What are cells in interphase doing?

Select THREE

a)

mitosis

b)

duplicating DNA

c)

duplicating organelles

d)

transporting nutrients through out the cell

e)

prophase

95.

What are cells in interphase doing?

Select THREE

a)

mitosis

b)

duplicating DNA

c)

growing

d)

transporting nutrients through out the cell

e)

prophase

96.

What are cells in interphase doing?

Select THREE

a)

mitosis

b)

duplicating DNA

c)

growing

d)

synthesizing more organelles

e)

telophase

97.

What are cells in interphase doing?

Select THREE

a)

mitosis

b)

performing cell functions like transporting oxygen and sending signals

c)

growing

d)

synthesizing more organelles

e)

telophase

98.

In which image do you think this plant has more cells?

a)

A

b)

B

c)

D

d)

F

99.

Explain how this picture is related to mitosis.

a)

In order to grow, more cells must be created.

b)

The picture relates to mitosis.

c)

This doesn't relate to mitosis.

d)

Mitosis is not a part of interphase.

100.

In order to grow, more cells must be created.

Would you expect to see more cells undergoing mitosis in a child or an adult?

Explain your answer.

a)

Children are growing, so you would expect to see more mitosis in their bodies than an adult who is done growing.

b)

The picture relates to mitosis.

c)

Children eat more candy and drink more milk than an adult who is done growing.

d)

Adults

e)

Children

101.

What might these pictures have to do with mitosis?

a)

Mitosis forms new cells.

b)

Mitosis = PMAT

c)

Mitosis is the same as differentiation.

d)

The person's skin changes into heart cells.

102.

Based on the graphs, what is the major difference between non-cancerous and cancerous skin cells?

a)

Cancerous cells spend less time in interphase.

b)

Cancerous cells spend more time in interphase.

c)

Cancerous cells spend equal time in interphase as normal cells.

d)

There is a difference.

103.

Cancer cells are constantly replicating without control.

What phase do cancer cells spend less time in than normal cells?

a)

interphase

b)

prophase

c)

metaphase

d)

There is no difference.

104.

Compare the microscope slides of a healthy blood sample and a cancerous blood sample. Look closely.

Which cell type (red or white) would you say has cancer?

a)

white blood cells

b)

red blood cells

105.

What process does a multi-cellular organism use to replace its damaged body cells?

a)

mitosis

b)

meiosis

c)

replication

d)

transcription

106.

The model shows a segment of DNA with five different genes. 

Look carefully.

Two genes have been identified for you. 

Identify possible labels for other segments of DNA.

**Select THREE possibilities.

a)

skin cells

b)

eye color

c)

number of fingers

d)

ability to play piano

e)

travel to Europe

107.

The model shows a segment of DNA with five different genes. 

What is a gene?

a)

segment of DNA that codes for a particular trait

b)

a chromosome

c)

something in a cell

d)

DNA and mitosis in a cell

e)

a protein that is made faster using an enzyme

108.

Which cells in your body contain a complete set of DNA?

a)

all body cells

b)

just skin cells

c)

just liver cells

d)

all except neurons and muscles

109.

Your _____ contains the complete set of instructions to build your body.

a)

DNA

b)

idea

c)

ribosome

d)

protein

110.

Do these cells have the same structure and function?

EXPLAIN!!

a)

No, they are all found in different places, look different, and have different jobs.

b)

No.

c)

Yes, they are all found in the same places, look the same, and have the same jobs.

d)

Yes.

111.

Stem cells are pluripotent, while specialized cells are _____.

a)

unipotent

b)

pluripotent

c)

stem cells

d)

all the same

112.

Stem cells vs. Specialized cells

a)

1.

stem cell and the possible cells formed

b)

2.

red blood cells (RBCs) form more RBCs

c)

3.

intestine cells (ICs) form more ICs

113.

A pluripotent cell has the potential to give rise to any other cell type. Based on the models, which type of cell would you consider to be pluripotent? Why?

a)

The model that shows stem cells are able to create many types of other cells

b)

The model that shows the red blood cell making more red blood cells.

114.

Specialized cells are unipotent. Based on models D & E, come up with a definition of unipotent:

a)

Stem cells are able to create many types of other cells

b)

Unipotent cells can only give rise to one type of cell.

c)

Unipotent cells are only found in the intestine.

d)

Unipotent cells make cells that are different.

115.

After a baby is born, there is still blood left in the umbilical cord and placenta. Many parents are freezing their child’s umbilical cord blood because it contains haematopoietic (blood) _____ cells.

a)

stem

b)

heart

c)

skin

d)

lung

116.

After a baby is born, there is still blood left in the umbilical cord and placenta. Many parents are freezing their child’s umbilical cord blood because it contains haematopoietic (blood) stem cells.

These cells can _______.

a)

make every type of blood cell

b)

just make heart cells

c)

definitely live forever when unfrozen

d)

pay for college

117.

Many parents are freezing their child’s umbilical cord blood because it contains haematopoietic (blood) stem cells. Why are parents doing this?

a)

These healthy cells can be used to treat many different diseases the child might get or make new tissues for the child.

b)

Haematopoietic stem cells are full of protein and nutrients.

c)

Their child’s umbilical cord blood will definitely live forever when unfrozen and they could become an immortal and have super powers.

d)

It will clearly pay for college.

118.

USE YOUR PAPER COPY in order to read the graphs ---

According to the graphs, what do all of the cell types have in common?

a)

They have the same number of genes.

b)

They have a different number of genes.

c)

They are all stem cells.

d)

They are all skin cells.

119.

USE YOUR PAPER COPY in order to read the graphs ---

According to the graphs, what are some differences?

a)

They have different genes activated at different amounts.

b)

They have a different number of genes.

c)

They are all stem cells.

d)

They have the same genes activated in the same amounts.

120.

USE YOUR PAPER COPY in order to read the graphs ---

Compare the stem cell genes to the other cell types.

a)

Stem cells have very few genes activated, compared to other cell types.

b)

They have a different number of genes.

c)

Stem cells have very many more genes activated, compared to other cell types.

d)

They have the same genes activated in the same amounts.

121.

USE YOUR PAPER COPY in order to read the graphs ---

According to the data, why do skin cells look and act like skin cells? Where are they getting their information from?

a)

Skin cells have different genes activated, specifically 4, 5, and 10. No other genes are activated.

b)

They have a different number of genes.

c)

Skin cells have different genes activated, specifically 1, 5, and 8, with small amounts of other genes activated.

d)

They have the same genes activated in the same amounts.

122.

USE YOUR PAPER COPY in order to read the graphs ---

According to the data, How would you turn a stem cell into a skin cell?

a)

Activate genes 9 and 10 above 75%.

b)

There is no difference between a skin cell and stem cells.

c)

Activate genes 1 and 5 above 75%.

d)

Activate genes 3 and 4 above 75%.

123.

USE YOUR PAPER COPY in order to read the graphs ---

According to the data, How would you turn a stem cell into a small intestine cell?

a)

Activate genes 9 and 10 above 75%.

b)

There is no difference between an intestine cell and stem cells.

c)

Activate genes 1 and 5 above 75%.

d)

Activate genes 3 and 4 above 75%.

124.

USE YOUR PAPER COPY in order to read the graphs ---

According to the data, activating different genes produces different ____ in each cell.

a)

chromosomes

b)

traits

c)

DNA

d)

stem cells

125.

USE YOUR PAPER COPY in order to read the model ---

The model shows the same segment of DNA found in a skin cell, heart cell, and ____ cell of the same person.

a)

brain

b)

pancreas

c)

red blood

d)

bone

126.

USE YOUR PAPER COPY in order to read the model ---

Based on the DNA samples, do skin, heart, and pancreas cells all have the same amount of DNA?

a)

yes

b)

no

127.

USE YOUR PAPER COPY in order to read the model ---

Based on the DNA samples, each one has the same genes, promoters, and enhancers in _____.

a)

different places

b)

the same places

128.

USE YOUR PAPER COPY in order to read the model ---

Based on the DNA samples, the transcription factors are specific to each cell. How is this shown on the model?

a)

same shapes and colors for the specific transcription factors

b)

different shapes (triangle, circle, drop-shapes) and colors for the specific transcription factors

c)

same shades/colors of lines on the DNA strip.

d)

different shades/colors of lines on the DNA strip.

129.

USE YOUR PAPER COPY in order to read the model ---

Based on the DNA samples -- AND -- knowing that structure determines function, will all three DNA samples create the same proteins?

a)

NO -- Each gene is creating a different protein.

b)

The shapes of the proteins made are all exactly the same on all three DNA samples, so yes. Look closely at the model. This is the wrong answer.

c)

structure determines function

d)

Chromosomes are made of DNA.

130.

USE YOUR PAPER COPY in order to read the model ---

Based on the DNA samples, what seems to start the process of creating a protein?

a)

Proteins begin forming right before gene 1 on all of the samples.

b)

Specific transcription factors bind to the enhancers in front of the gene that is going to be transcribed.

c)

Specific transcription factors bind to all the genes on all of the samples.

d)

Genes are sections of DNA that code for certain proteins.

131.

USE YOUR PAPER COPY in order to read the model ---

Based on the DNA samples, how is this a model of gene expression.

a)

Gene expression is the same for all types of cells.

b)

Gene expression is activating (producing proteins) for specific segments of DNA (genes).

132.

THINK -- The arctic fox inhabits northern areas of North America. The same artic fox is shown in the drawing at different times of the year. What causes the change in fur color?

a)

The alleles for fur color change as the arctic fox grows older.

b)

Gene expression for fur color is regulated by the color of food eaten.

c)

The white fur arctic fox hibernates in the summer.

d)

Gene expression for fur color is regulated by temperature

133.

Why do stomach cells function differently than skin cells?

a)

They contain entirely different DNA

b)

They use different genes in the DNA

134.

THINK -- What is one goal of cellular differentiation?

a)

To create many identical copies of cells.

b)

To make stem cells for use in the future.

c)

To make single-celled organisms.

d)

To make specialized cells to maintain homeostasis.

135.

How did the immortal cell line, known as HeLa, impact medical research?

a)

It revolutionized medical research by enabling countless scientific discoveries and advancements.

b)

It had no impact on medical research

c)

It caused a decline in medical research

d)

It led to the destruction of scientific discoveries

136.

What are some of the ethical concerns surrounding the use of Henrietta Lacks' cells?

a)

Lack of scientific value

b)

Issues of copyright infringement

c)

Issues of consent, privacy, and profiting without knowledge or consent

d)

Violation of medical confidentiality

137.

In what ways has Henrietta Lacks' story influenced discussions about patient consent and medical ethics?

a)

It has no impact on patient consent or medical ethics

b)

It has sparked discussions about the importance of informed consent, patient rights, and the ethical use of human tissues in medical research.

c)

It has led to increased patient exploitation in medical research

d)

It has resulted in decreased awareness of patient rights

138.

What are some of the key contributions made by researchers using HeLa cells?

a)

Contributions in agriculture and farming

b)

Space exploration

c)

Contributions in culinary arts

d)

Contributions in cancer research, virology, genetics, and cell biology

139.

Who was Henrietta Lacks?

a)

A scientist who discovered cancer cells

b)

A woman whose cells were used for research

c)

A doctor who worked on vaccines

d)

A researcher who studied DNA

140.

Why were Henrietta’s cells unique?

a)

They kept dividing in the lab when others died

b)

They were bigger than normal cells

c)

They could glow under light

d)

They had no DNA

141.

What name was given to Henrietta’s cells?

a)

HeLa cells

b)

H-L cells

c)

Lacks cells

d)

DNA cells

142.

How are cancer cells different from normal ones?

a)

They divide without stopping

b)

They don’t have a nucleus

c)

They divide only once

143.

What ethical issue came from Henrietta’s story?

a)

Her cells were used without her consent

b)

Her DNA was destroyed

c)

She refused treatment

d)

Scientists hid her name on purpose

144.

What have HeLa cells been used to study?

a)

Vaccines and cancer

b)

Plant growth

c)

Space travel

d)

Earth’s atmosphere

145.

Henrietta Lacks’ story is connected to DNA replication and cancer because her cells were the first immortal human cells used for research, which helped scientists study how cancer cells replicate uncontrollably.

a)

Her cells were the first immortal human cells used for research, helping scientists study how cancer cells replicate uncontrollably.

b)

She discovered the process of DNA replication in cancer cells.

c)

Her story led to the discovery of chemotherapy.

d)

She was the first person to be cured of cancer using DNA technology.

146.

The incidence of cancer in humans is much _____ than the incidence of cancer in whales, despite a whale having about 1000 times more cells than a human.

a)

higher

b)

lower

147.

The TP53 gene contains the instructions for making a protein called tumor protein 53, or P53.

When the TP53 gene changes, the body doesn’t make properly functioning P53 protein.

Without properly functioning P53 proteins, cells can divide uncontrolled and become _____.

a)

cancers

b)

influenza

c)

small pox

d)

warts

148.

The TP53 gene contains the instructions for making a protein called tumor protein 53, or P53.

When the TP53 gene changes, the body doesn’t make properly functioning P53 protein.

Without properly functioning P53 proteins, cells can divide uncontrolled and become cancers.

Which organism has MORE P53?

a)

whale

b)

human

149.

The TP53 gene contains the instructions for making a _____, which helps control cells from becoming cancerous.

a)

protein

b)

virus

c)

lipid

d)

wart

e)

sugar

150.

What is apoptosis?

a)

A cancer-causing substance

b)

A protein that regulates cell division

c)

A stage of cell division

d)

Programmed cell dealth

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