Multiple Choice
1. HeLa cells have been used in research to
a. identify cell structures.
b. study sickle cell anemia.
c. study the effects of hyperoxia on cells.
d. study the mechanisms of cancer.
e. study various lung diseases.
ANSWER: d
DIFFICULTY: Bloom’s: Remember
REFERENCES: 11.1 Henrietta’s Immortal Cells
LEARNING OBJECTIVES: UDOL.STES.16.11.1 – Examine the unique features and applications of HeLa cells.
2. The unique feature of HeLa cells that make them important for research is that they are
a. identical to all other human cells.
b. immortal cells and will grow in culture.
c. limited in growth cycles.
d. identical to stem cells.
e. cannot propagate.
ANSWER: b
DIFFICULTY: Bloom’s: Remember
REFERENCES: 11.1 Henrietta’s Immortal Cells
LEARNING OBJECTIVES: UDOL.STES.16.11.1 – Examine the unique features and applications of HeLa cells.
3. Which of the following results from mitosis?
a. a pair of unidentical twins
b. a group of rooted plant cuttings from multiple plants
c. the cells produced by the sexual reproduction of a single-celled organism
d. two new descendent cells each with a full complement of identical DNA
e. completely repaired DNA from damaged parental cells
ANSWER: d
DIFFICULTY: Bloom’s: Understand
Bloom’s: Analyze
REFERENCES: 11.2 Multiplication by Division
LEARNING OBJECTIVES: UDOL.STES.16.11.2 – Analyze the different stages of cell division.
4. Strictly speaking, mitosis
a. divides the nucleus and doubles the chromosomal number.
b. divides the cytoplasm and doubles the chromosomal number.
c. divides the chromosomes within the nucleus.
d. divides the nucleus and maintains the chromosomal number.
e. maintains the structure of the nucleus, cytoplasm, and chromosomes.
ANSWER: d
DIFFICULTY: Bloom’s: Remember
REFERENCES: 11.2 Multiplication by Division
LEARNING OBJECTIVES: UDOL.STES.16.11.2 – Analyze the different stages of cell division.
5. Which of the following is associated with mitosis?
a. fertilization
b. somatic cells
c. sexual reproduction
d. sperm and egg
e. germ cells
ANSWER: b
DIFFICULTY: Bloom’s: Analyze
REFERENCES: 11.2 Multiplication by Division
LEARNING OBJECTIVES: UDOL.STES.16.11.2 – Analyze the different stages of cell division.
Figure 11.4
6. In the depiction of the cell cycle in the figure above, what does step 2 represent?
a. a pair of homologous chromosomes in G1.
b. two chromosomes in anaphase.
c. a pair of duplicated homologous chromosomes in G2
d. the entire genome of the organism.
e. a chromosome in telophase.
ANSWER: c
DIFFICULTY: Bloom’s: Understand
REFERENCES: 11.2 Multiplication by Division
PREFACE NAME: figure 11.4
LEARNING OBJECTIVES: UDOL.STES.16.11.2 – Analyze the different stages of cell division.
7. Homologous chromosomes have the:
a. same length but differing genes.
b. same shape but differing genes
c. the same genes but differing shapes.
d. same genes but differing lengths.
e. same length, shape, and genes.
ANSWER: e
DIFFICULTY: Bloom’s: Remember
REFERENCES: 11.2 Multiplication by Division
LEARNING OBJECTIVES: UDOL.STES.16.11.2 – Analyze the different stages of cell division.
8. Which process is absolutely necessary for asexual cellular reproduction to occur in eukaryotes?
a. prokaryotic fission
b. mitosis
c. meiosis
d. doubling of chromosomal number in descendent cells
e. growth factor activation
ANSWER: b
DIFFICULTY: Bloom’s: Analyze
REFERENCES: 11.2 Multiplication by Division
LEARNING OBJECTIVES: UDOL.STES.16.11.2 – Analyze the different stages of cell division.
9. Chromatids that are attached at the centromere are called ____ chromatids?
a. mother
b. daughter
c. sister
d. programmed
e. either mother or daughter
ANSWER: c
DIFFICULTY: Bloom’s: Remember
REFERENCES: 11.2 Multiplication by Division
LEARNING OBJECTIVES: UDOL.STES.16.11.2 – Analyze the different stages of cell division.
10. The number of DNA molecules in a duplicated chromosome is
a. one.
b. undetermined.
c. half that of an unduplicated chromosome.
d. two.
e. four.
ANSWER: d
DIFFICULTY: Bloom’s: Remember
REFERENCES: 11.2 Multiplication by Division
LEARNING OBJECTIVES: UDOL.STES.16.11.2 – Analyze the different stages of cell division.
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