BIOL 1001 Mitosis & Meiosis questions, answers
Multiple Choice
Identify the choice that best completes the statement or answers the question.
1. HeLa cells have been used in research to
a) identify viral strains.
b) investigate cancer.
c) study the effects of radiation on cells.
d) develop tissue culture techniques that produced a polio vaccine.
e) all of these.
2. Understanding cell division requires knowledge about
a) information that guides inheritance.
b) how information in a parent cell is copied.
c) mechanisms that distribute information to daughter cells.
d) mechanisms that insure new individuals receive parental information.
e) all of these.
3. The unique feature of HeLa cells that make them important for research is that
a) they are identical to all other human cells.
b) they are immortal cells and will grow in culture.
c) they are limited in growth cycles.
d) they are like stem cells.
e) all of these make them important.
4. Mitosis and cytoplasmic division function in
a) growth.
b) repair of damaged tissue.
c) replacement of worn-out cells.
d) asexual reproduction.
e) all of these.
5. Division of eukaryotic cells into two identical cells is called
a) growth.
b) meiosis.
c) mitosis.
d) asexual reproduction.
e) all of these.
6. Which of the following is NOT an example of the results of mitosis?
a) a pair of identical twins
b) a group of rooted plant cuttings from a single plant
c) the cells produced by the asexual reproduction of a single-celled organism
d) the offspring produced by two parents
e) healing of a wound
7. Strictly speaking, mitosis and meiosis are divisions of the
a) nucleus.
b) cytoplasm.
c) chromosomes.
d) nucleus and chromosomes.
e) nucleus, cytoplasm, and chromosomes.
8. Which of the following is NOT associated with meiosis?
a) spore formation
b) somatic cells
c) sexual reproduction
d) sperm and egg
e) germ cells
, 9. The figure above represents
a) a single chromosome
b) two chromosomes in metaphase plate.
c) an original chromosome with a duplicate.
d) the entire genome of the organism.
e) none of these.
10. Eukaryotic DNA molecules have
a) no proteins.
b) small amounts of protein at each end.
c) large amounts of protein at each end.
d) small amounts of protein dispersed among them.
e) large amounts of protein around which DNA is wound.
11. When the chromosome is most condensed, which of the following is true?
a) Proteins are used to wind up the DNA.
b) They are less susceptible to radiation.
c) Lipid droplets form "beads on a string."
d) Carbohydrates wind the DNA into clusters.
e) None of these are true.
12. Which process is absolutely necessary for sexual reproduction to occur in a life cycle but is not necessarily required for organisms that only
reproduce asexually?
a) prokaryotic fission
b) mitosis
c) meiosis
d) cytokinesis
e) growth factor activation
13. Chromatids that are attached at the centromere are called what kind of chromatids?
a) mother
b) daughter
c) sister
d) programmed
e) either mother or daughter
14. Proteins that resemble spools on which DNA molecules are wound are called
a) kinetochores.
b) centrioles.
c) motor proteins.
d) histones.
e) spindles.
15. A portion of a DNA molecule wound around a spool of histone protein is called a
a) centromere.
b) nucleosome.
c) spindle.
d) furrow.
e) cell cycle.
16. Chromosomes become visible during prophase of mitosis as a result of
a) uncoiling.
b) DNA synthesis.
c) condensation.
d) chromatid duplication.
e) addition of proteins to the DNA.
Multiple Choice
Identify the choice that best completes the statement or answers the question.
1. HeLa cells have been used in research to
a) identify viral strains.
b) investigate cancer.
c) study the effects of radiation on cells.
d) develop tissue culture techniques that produced a polio vaccine.
e) all of these.
2. Understanding cell division requires knowledge about
a) information that guides inheritance.
b) how information in a parent cell is copied.
c) mechanisms that distribute information to daughter cells.
d) mechanisms that insure new individuals receive parental information.
e) all of these.
3. The unique feature of HeLa cells that make them important for research is that
a) they are identical to all other human cells.
b) they are immortal cells and will grow in culture.
c) they are limited in growth cycles.
d) they are like stem cells.
e) all of these make them important.
4. Mitosis and cytoplasmic division function in
a) growth.
b) repair of damaged tissue.
c) replacement of worn-out cells.
d) asexual reproduction.
e) all of these.
5. Division of eukaryotic cells into two identical cells is called
a) growth.
b) meiosis.
c) mitosis.
d) asexual reproduction.
e) all of these.
6. Which of the following is NOT an example of the results of mitosis?
a) a pair of identical twins
b) a group of rooted plant cuttings from a single plant
c) the cells produced by the asexual reproduction of a single-celled organism
d) the offspring produced by two parents
e) healing of a wound
7. Strictly speaking, mitosis and meiosis are divisions of the
a) nucleus.
b) cytoplasm.
c) chromosomes.
d) nucleus and chromosomes.
e) nucleus, cytoplasm, and chromosomes.
8. Which of the following is NOT associated with meiosis?
a) spore formation
b) somatic cells
c) sexual reproduction
d) sperm and egg
e) germ cells
, 9. The figure above represents
a) a single chromosome
b) two chromosomes in metaphase plate.
c) an original chromosome with a duplicate.
d) the entire genome of the organism.
e) none of these.
10. Eukaryotic DNA molecules have
a) no proteins.
b) small amounts of protein at each end.
c) large amounts of protein at each end.
d) small amounts of protein dispersed among them.
e) large amounts of protein around which DNA is wound.
11. When the chromosome is most condensed, which of the following is true?
a) Proteins are used to wind up the DNA.
b) They are less susceptible to radiation.
c) Lipid droplets form "beads on a string."
d) Carbohydrates wind the DNA into clusters.
e) None of these are true.
12. Which process is absolutely necessary for sexual reproduction to occur in a life cycle but is not necessarily required for organisms that only
reproduce asexually?
a) prokaryotic fission
b) mitosis
c) meiosis
d) cytokinesis
e) growth factor activation
13. Chromatids that are attached at the centromere are called what kind of chromatids?
a) mother
b) daughter
c) sister
d) programmed
e) either mother or daughter
14. Proteins that resemble spools on which DNA molecules are wound are called
a) kinetochores.
b) centrioles.
c) motor proteins.
d) histones.
e) spindles.
15. A portion of a DNA molecule wound around a spool of histone protein is called a
a) centromere.
b) nucleosome.
c) spindle.
d) furrow.
e) cell cycle.
16. Chromosomes become visible during prophase of mitosis as a result of
a) uncoiling.
b) DNA synthesis.
c) condensation.
d) chromatid duplication.
e) addition of proteins to the DNA.
