Question 1

Consider a strand of DNA with the sequence GAATTCGGCA. What is the sequence of the complementary strand?

Accepted Answer

A)  ACGGCTTAAG 
B)  AGGCCTAATG 
C)  CTTAAGCCGT 
D)  GAATTCGGCA 
A)  ACGGCTTAAG 
B)  AGGCCTAATG 
C)  CTTAAGCCGT 
D)  GAATTCGGCA C

Question 2

Which type of cell division produces daughter cells that are identical to the original cell?

Accepted Answer

A)  meiosis in animals 
B)  meiosis in plants 
C)  mitosis in animals 
D)  meiosis in bacteria 
A)  meiosis in animals 
B)  meiosis in plants 
C)  mitosis in animals 
D)  meiosis in bacteria C

Question 3

What is the correct order of events in the cell cycle?

Accepted Answer

A)  G₁, G₂, S, mitosis, cytokinesis 
B)  G₁, S, G₂, mitosis, cytokinesis 
C)  S, G₁, G₂, cytokinesis, mitosis 
D)  S, G₁, G₂, mitosis, cytokinesis 
A)  G₁, G₂, S, mitosis, cytokinesis 
B)  G₁, S, G₂, mitosis, cytokinesis 
C)  S, G₁, G₂, cytokinesis, mitosis 
D)  S, G₁, G₂, mitosis, cytokinesis B

Question 4

What are the two halves of a duplicated chromosome called?

Accepted Answer

A)  alleles 
B)  centromeres 
C)  homologous chromosomes 
D)  sister chromatids 
A)  alleles 
B)  centromeres 
C)  homologous chromosomes 
D)  sister chromatids

Question 5

Which organs are often analyzed for cancer cells to determine whether the tumor has metastasized?

Accepted Answer

A)  liver 
B)  lymph node 
C)  pancreas 
D)  ovary 
A)  liver 
B)  lymph node 
C)  pancreas 
D)  ovary

Question 6

What type of reproduction includes the binary fission used by single-celled bacteria to produce genetically identical daughter cells?

Accepted Answer

A)  sexual reproduction 
B)  asexual reproduction 
C)  fertilization 
D)  condensation 
A)  sexual reproduction 
B)  asexual reproduction 
C)  fertilization 
D)  condensation

Question 7

What would result if a cell underwent mitosis but did not complete cytokinesis?

Accepted Answer

A)  one cell with one nucleus containing twice the normal number of chromosomes 
B)  one cell with two nuclei 
C)  two daughter cells with no nucleus 
D)  two daughter cells with too few chromosomes 
A)  one cell with one nucleus containing twice the normal number of chromosomes 
B)  one cell with two nuclei 
C)  two daughter cells with no nucleus 
D)  two daughter cells with too few chromosomes

Question 8

How does radiation therapy work on cancer cells?

Accepted Answer

A)  Radiation limits microtubule formation, affecting chromosome alignment during mitosis. 
B)  Radiation causes tumor cells to stick together, making them easier to remove. 
C)  Radiation damages DNA in cells so that cells can no longer grow and divide. 
D)  Radiation makes cancer cells divide so fast that they may develop extra mutations and die. 
A)  Radiation limits microtubule formation, affecting chromosome alignment during mitosis. 
B)  Radiation causes tumor cells to stick together, making them easier to remove. 
C)  Radiation damages DNA in cells so that cells can no longer grow and divide. 
D)  Radiation makes cancer cells divide so fast that they may develop extra mutations and die.

Question 9

Which carbohydrate forms the cell wall during cytokinesis in plant cells?

Accepted Answer

A)  cellulose 
B)  sucrose 
C)  glucose 
D)  lactose 
A)  cellulose 
B)  sucrose 
C)  glucose 
D)  lactose

Question 10

Which phase occurs during mitosis?

Accepted Answer

A)  first gap phase 
B)  metaphase 
C)  second gap phase 
D)  S phase 
A)  first gap phase 
B)  metaphase 
C)  second gap phase 
D)  S phase

Question 11

During the metaphase checkpoint, what information is being checked by the cell?

Accepted Answer

A)  if it is large enough to divide 
B)  if its DNA has been replicated correctly 
C)  if its chromosomes are properly attached to microtubules 
D)  if there are sufficient nutrients available 
A)  if it is large enough to divide 
B)  if its DNA has been replicated correctly 
C)  if its chromosomes are properly attached to microtubules 
D)  if there are sufficient nutrients available

Question 12

What are genes that are located on the same chromosome and move together to the same gamete?

Accepted Answer

A)  alleles 
B)  diploid genes 
C)  homologous genes 
D)  linked genes 
A)  alleles 
B)  diploid genes 
C)  homologous genes 
D)  linked genes

Question 13

Which term describes a cancerous tumor?

Accepted Answer

A)  benign 
B)  carcinogenic 
C)  malignant 
D)  oncogenic 
A)  benign 
B)  carcinogenic 
C)  malignant 
D)  oncogenic

Question 14

Which statement describes human sperm or egg cells?

Accepted Answer

A)  They are produced by the process of mitosis. 
B)  They have one copy of each chromosome. 
C)  They have two copies of each chromosome. 
D)  They are genetically identical to all gametes made by a person. 
A)  They are produced by the process of mitosis. 
B)  They have one copy of each chromosome. 
C)  They have two copies of each chromosome. 
D)  They are genetically identical to all gametes made by a person.

Question 15

During which part of mitosis does the nuclear envelope break down?

Accepted Answer

A)  anaphase 
B)  metaphase 
C)  prophase 
D)  telophase 
A)  anaphase 
B)  metaphase 
C)  prophase 
D)  telophase

Question 16

What is the region in the middle of a replicated chromosome that connects sister chromatids?

Accepted Answer

A)  centriole 
B)  centromere 
C)  karyotype 
D)  chromatid 
A)  centriole 
B)  centromere 
C)  karyotype 
D)  chromatid

Question 17

In which phase of the cell cycle are cells most often found?

Accepted Answer

A)  interphase 
B)  prophase 
C)  metaphase 
D)  anaphase 
A)  interphase 
B)  prophase 
C)  metaphase 
D)  anaphase

Question 18

What term describes a harmless, noncancerous or precancerous tumor?

Accepted Answer

A)  benign 
B)  carcinogenic 
C)  malignant 
D)  metastatic 
A)  benign 
B)  carcinogenic 
C)  malignant 
D)  metastatic

Question 19

What are the members of a pair of nonsex chromosomes?

Accepted Answer

A)  alleles 
B)  diploids 
C)  gametes 
D)  homologous chromosomes 
A)  alleles 
B)  diploids 
C)  gametes 
D)  homologous chromosomes

Question 20

If a double-stranded DNA molecule is like a twisted rope ladder with handrails and steps, what would the steps in the ladder represent?

Accepted Answer

A)  phosphate groups 
B)  sugar (deoxyribose) molecules 
C)  nitrogenous bases 
D)  DNA polymerase 
A)  phosphate groups 
B)  sugar (deoxyribose) molecules 
C)  nitrogenous bases 
D)  DNA polymerase

Exam 6: Cancer: DNA Synthesis, Mitosis, and Meiosis

Consider a strand of DNA with the sequence GAATTCGGCA. What is the sequence of the complementary strand?

Which type of cell division produces daughter cells that are identical to the original cell?

What is the correct order of events in the cell cycle?

What are the two halves of a duplicated chromosome called?

Which organs are often analyzed for cancer cells to determine whether the tumor has metastasized?

What type of reproduction includes the binary fission used by single-celled bacteria to produce genetically identical daughter cells?

What would result if a cell underwent mitosis but did not complete cytokinesis?

How does radiation therapy work on cancer cells?

Which carbohydrate forms the cell wall during cytokinesis in plant cells?

Which phase occurs during mitosis?

During the metaphase checkpoint, what information is being checked by the cell?

What are genes that are located on the same chromosome and move together to the same gamete?

Which term describes a cancerous tumor?

Which statement describes human sperm or egg cells?

During which part of mitosis does the nuclear envelope break down?

What is the region in the middle of a replicated chromosome that connects sister chromatids?

In which phase of the cell cycle are cells most often found?

What term describes a harmless, noncancerous or precancerous tumor?

What are the members of a pair of nonsex chromosomes?

If a double-stranded DNA molecule is like a twisted rope ladder with handrails and steps, what would the steps in the ladder represent?

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