Question 1

Which of the following is correct about both binary fission and mitosis?

Accepted Answer

A)  Both are asexual forms of cell reproduction.
B)  Both result in genetically-identical cells.
C)  Both replicate the DNA before the cell splits.
D)  Both result in two daughter cells.
E)  All answers are correct.F) All of the above
G) C) and D)

Question 2

One of two identical attached copies of a replicated chromosome defines the term

Accepted Answer

A)  centromere.
B)  chromatin.
C)  chromosome.
D)  nucleosome.
E)  chromatid.F) B) and E)
G) A) and B)

Question 3

The plant cell in the image labeled "c" is in the cell cycle stage

Accepted Answer

A)  metaphase.
B)  telophase.
C)  anaphase.
D)  interphase.E) B) and C)
F) A) and D)

Question 4

Bacteria and archaeans do not receive new genetic material from binary fission,but from mutations and gene transfers.

Accepted Answer

A) True 
 B)False

Question 5

What molecule holds instructions for the synthesis of proteins and copies itself for the next generation of cells?

Accepted Answer

A)  ATP synthase
B)  DNA
C)  RNA
D)  NAD
E)  FADF) A) and E)
G) C) and E)

Question 6

The plant cell in the image labeled "e" is in the cell cycle stage

Accepted Answer

A)  interphase.
B)  telophase.
C)  prophase.
D)  anaphase.
E)  metaphasE.F) B) and C)
G) A) and B)

Question 7

A discrete continuous molecule of DNA wrapped around protein defines the term

Accepted Answer

A)  nucleosome.
B)  chromosome.
C)  centromere.
D)  histone.
E)  genomE.F) C) and D)
G) C) and E)

Question 8

The structure that organizes the protein subunits of the mitotic spindle is the

Accepted Answer

A)  centromere.
B)  kinetochore.
C)  centrosome.
D)  cytoskeleton.
E)  microfilaments.F) A) and B)
G) A) and C)

Question 9

In the section "Investigating Life: Cutting Off a Tumor's Supply Lines in the War on Cancer",what did the researchers conclude from part b.of the figure?

Accepted Answer

A)  The standard chemotherapy drug delayed the growth of tumors but resistance developed.
B)  Endostatin shrank tumors without development of resistance.
C)  Endostatin shrank tumors but resistance developed.
D)  The standard chemotherapy drug delayed the growth of tumors without development of resistance.
E)  Tumors in untreated cells shrank in sizE.F) A) and B)
G) C) and D)

Question 10

The component of the cytoskeleton that attaches to the chromosomes in order to pull and separate them is the

Accepted Answer

A)  Golgi apparatus.
B)  centromere.
C)  centrosome.
D)  mitotic spindle.
E)  kinetochorE.F) A) and E)
G) D) and E)

Question 11

Mitosis is used for all of the following except

Accepted Answer

A)  repair of damaged cells.
B)  growth of an organism.
C)  asexual reproduction.
D)  formation of gametes.
E)  production of genetically-identical daughter cells.F) A) and B)
G) A) and C)

Question 12

A nucleosome consists of

Accepted Answer

A)  a stretch of DNA and histones.
B)  a stretch of DNA only.
C)  a stretch of RNA only.
D)  a stretch of RNA and a ribosome.
E)  histones only.F) B) and E)
G) A) and C)

Question 13

If one strand of a DNA molecule has the base sequence of 5' ATGTGCC 3' the complementary strand of DNA will read

Accepted Answer

A)  3' ATGTGCC 5'.
B)  3' TACACGG 5'.
C)  3' UACACGG 5'.
D)  3' CGTGTAA 5'.
E)  3' GGCACAT 5'.F) C) and E)
G) A) and D)

Question 14

An asexual process used by prokaryotes in which replicated DNA and other cell parts are distributed into two daughter cells is called

Accepted Answer

A)  mitosis.
B)  binary fusion.
C)  daughter cell duplication.
D)  binary fission.
E)  conjugation.F) C) and E)
G) A) and E) D

Question 15

The replication of DNA during the eukaryotic cell cycle occurs during

Accepted Answer

A)  mitosis.
B)  cytokinesis.
C)  prophase.
D)  telophase.
E)  interphasE.F) A) and D)
G) B) and E)

Question 16

Bypassing a checkpoint in the cell cycle may result in a cancer cell

Accepted Answer

A)  dividing after mutations are fixed.
B)  continuing to divide and replicate with faulty DNA.
C)  condensing its chromosomes before mitosis.
D)  aligning chromosomes on the equator of the cell during metaphase.
E)  pulling chromosomes apart during anaphasE.F) D) and E)
G) A) and E)

Question 17

The chemotherapy drug taxol inhibits microtubule function.A cell treated with taxol would become stuck in which phase?

Accepted Answer

A)  prophase
B)  metaphase
C)  anaphase
D)  telophase
E)  cytokinesisF) A) and C)
G) A) and B)

Question 18

A discrete package of DNA and associated proteins in eukaryotes is a

Accepted Answer

A)  chromosome.
B)  nucleus.
C)  ribosome.
D)  Golgi body.
E)  centriolE.F) B) and C)
G) C) and D) A

Question 19

The process by which a sperm cell combines with an egg cell is

Accepted Answer

A)  fertilization.
B)  recombination.
C)  replication.
D)  mitosis.
E)  germination.F) B) and E)
G) C) and E) A

Question 20

The splitting of a cell into two daughter cells in the eukaryotic cell cycle is

Accepted Answer

A)  mitosis.
B)  interphase.
C)  cytokinesis.
D)  metaphase.
E)  anaphasE.F) B) and C)
G) C) and D)

Exam 8: DNA Replication and Cell Division

Which of the following is correct about both binary fission and mitosis?

Correct AnswerverifiedShow Answer

One of two identical attached copies of a replicated chromosome defines the term

Correct AnswerverifiedShow Answer

The plant cell in the image labeled "c" is in the cell cycle stage

Correct AnswerverifiedShow Answer

Bacteria and archaeans do not receive new genetic material from binary fission,but from mutations and gene transfers.

Correct AnswerverifiedShow Answer

What molecule holds instructions for the synthesis of proteins and copies itself for the next generation of cells?

Correct AnswerverifiedShow Answer

The plant cell in the image labeled "e" is in the cell cycle stage

Correct AnswerverifiedShow Answer

A discrete continuous molecule of DNA wrapped around protein defines the term

Correct AnswerverifiedShow Answer

The structure that organizes the protein subunits of the mitotic spindle is the

Correct AnswerverifiedShow Answer

In the section "Investigating Life: Cutting Off a Tumor's Supply Lines in the War on Cancer",what did the researchers conclude from part b.of the figure?

Correct AnswerverifiedShow Answer

The component of the cytoskeleton that attaches to the chromosomes in order to pull and separate them is the

Correct AnswerverifiedShow Answer

Mitosis is used for all of the following except

Correct AnswerverifiedShow Answer

A nucleosome consists of

Correct AnswerverifiedShow Answer

If one strand of a DNA molecule has the base sequence of 5' ATGTGCC 3' the complementary strand of DNA will read

Correct AnswerverifiedShow Answer

An asexual process used by prokaryotes in which replicated DNA and other cell parts are distributed into two daughter cells is called

Correct AnswerverifiedD

The replication of DNA during the eukaryotic cell cycle occurs during

Correct AnswerverifiedShow Answer

Bypassing a checkpoint in the cell cycle may result in a cancer cell

Correct AnswerverifiedShow Answer

The chemotherapy drug taxol inhibits microtubule function.A cell treated with taxol would become stuck in which phase?

Correct AnswerverifiedShow Answer

A discrete package of DNA and associated proteins in eukaryotes is a

Correct AnswerverifiedA

The process by which a sperm cell combines with an egg cell is

Correct AnswerverifiedA

The splitting of a cell into two daughter cells in the eukaryotic cell cycle is

Correct AnswerverifiedShow Answer

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