Question 1

DNA replication is:

Accepted Answer

A)  Conservative
B)  A one-step process
C)  Semi-conservative
D)  Not carried out by enzymes
E)  Not carried out in prokaryotic cellsF) All of the above
G) A) and E)

Question 2

"Sister chromatids" are:

Accepted Answer

A)  Genetically identical and attached to each other at centromere
B)  Genetically different and attached to each other at centromere
C)  Genetically different
D)  Genetically identical
E)  Attached to each other at centromereF) A) and D)
G) C) and E)

Question 3

The process used to rapidly produce DNA sequences of interest is polymerase chain reaction.

Accepted Answer

A) True 
 B)False

Question 4

If a mutation causes the "T" base in the base sequence 5' AGTCCG 3' to be read as a "G" base,DNA replication of the mutated sequence will read:

Accepted Answer

A)  3' TCCGGC 5'
B)  3' AGGCCG 5'
C)  3' CTTAAT 5'
D)  3' UCCGGC 5'
E)  3' AGTCCG 5'F) A) and B)
G) None of the above

Question 5

The two main stages of the cell cycle are:

Accepted Answer

A)  Interphase and cytokinesis
B)  Interphase and mitosis
C)  Mitosis and cytokinesis
D)  Interphase and prophase
E)  Mitosis and meiosisF) C) and D)
G) C) and E)

Question 6

Most bacteriophages consist of only a _______________ coat and a ____________________ core.

Accepted Answer

A)  Lipid, protein
B)  Polysaccharide, nucleic acid
C)  Protein, lipid
D)  Protein, nucleic acid
E)  Polysaccharide, proteinF) C) and D)
G) A) and E)

Question 7

The first sign of cytokinesis in an animal cell is the formation of a:

Accepted Answer

A)  Cell plate
B)  Cleavage furrow
C)  Cell wall
D)  Nucleolus
E)  Nuclear envelopeF) B) and C)
G) A) and D)

Question 8

The phase of mitosis in which the centromeres split and sister chromatids are pulled to opposite poles of the cell is:

Accepted Answer

A)  Prophase
B)  Anaphase
C)  Prometaphase
D)  Metaphase
E)  TelophaseF) A) and E)
G) D) and E)

Question 9

The enzyme that builds a short complementary piece of RNA at the start of each DNA segment to be replicated is:

Accepted Answer

A)  DNA polymerase
B)  Primase
C)  ATP synthase
D)  Ligase
E)  HelicaseF) A) and B)
G) C) and E)

Question 10

Why would a cancer cell need to induce angiogenesis?

Accepted Answer

A)  Because cells in the center of a tumor become too far from blood vessels
B)  It is the first step in metastasis
C)  To avoid checkpoints in the cell cycle
D)  It would activate oncogenes
E)  It would inactivate tumor suppressorsF) B) and C)
G) C) and D)

Question 11

The phase of mitosis in which the nuclear envelope breaks into small pieces is:

Accepted Answer

A)  Prophase
B)  Metaphase
C)  Anaphase
D)  Prometaphase
E)  TelophaseF) A) and D)
G) A) and E)

Question 12

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) All of the above
G) B) and E)

Question 13

Change in a cell's DNA sequence is a regular occurrence in the process of replication.

Accepted Answer

A) True 
 B)False

Question 14

The genome of an organism is all of its:

Accepted Answer

A)  Proteins
B)  RNA
C)  Characteristics
D)  Genetic material
E)  All are correctF) A) and C)
G) D) and E)

Question 15

Replication takes place during the G1 phase of interphase.

Accepted Answer

A) True 
 B)False

Question 16

During the cell cycle there are several checkpoints that ensure that the cell cycle is proceeding correctly.

Accepted Answer

A) True 
 B)False

Question 17

During cytokinesis of a plant cell,the cell divides by forming a cleavage furrow.

Accepted Answer

A) True 
 B)False

Question 18

A cell with two full sets of chromosomes would be termed a _______________ cell.

Accepted Answer

A)  Haploid
B)  Sister
C)  Somatic
D)  Diploid
E)  GermF) A) and B)
G) A) and C)

Question 19

Eukaryotic chromosomes become microscopically visible before cell division because:

Accepted Answer

A)  They become less tightly wound
B)  They become more tightly wound
C)  They increase in length
D)  They become more tightly wound and increase in length
E)  They become less tightly wound and increase in lengthF) B) and C)
G) A) and B)

Question 20

A nucleosome consists of:

Accepted Answer

A)  A stretch of DNA and histones
B)  A stretch of DNA
C)  An RNA molecule
D)  A ribosome and RNA
E)  HistonesF) A) and E)
G) D) and E)

Exam 8: Dna Replication, mitosis and the Cell Cycle

Most bacteriophages consist of only a _______________ coat and a ____________________ core.

Correct AnswerverifiedShow Answer

The phase of mitosis in which the nuclear envelope breaks into small pieces is:

Correct AnswerverifiedShow Answer

The first sign of cytokinesis in an animal cell is the formation of a:

Correct AnswerverifiedShow Answer

Why would a cancer cell need to induce angiogenesis?

Correct AnswerverifiedShow Answer

The phase of mitosis in which the centromeres split and sister chromatids are pulled to opposite poles of the cell is:

Correct AnswerverifiedShow Answer

The process used to rapidly produce DNA sequences of interest is polymerase chain reaction.

Correct AnswerverifiedShow Answer

During the cell cycle there are several checkpoints that ensure that the cell cycle is proceeding correctly.

Correct AnswerverifiedShow Answer

A nucleosome consists of:

Correct AnswerverifiedShow Answer

"Sister chromatids" are:

Correct AnswerverifiedShow Answer

Replication takes place during the G1 phase of interphase.

Correct AnswerverifiedShow Answer

During cytokinesis of a plant cell,the cell divides by forming a cleavage furrow.

Correct AnswerverifiedShow Answer

Change in a cell's DNA sequence is a regular occurrence in the process of replication.

Correct AnswerverifiedShow Answer

If a mutation causes the "T" base in the base sequence 5' AGTCCG 3' to be read as a "G" base,DNA replication of the mutated sequence will read:

Correct AnswerverifiedShow Answer

Eukaryotic chromosomes become microscopically visible before cell division because:

Correct AnswerverifiedShow Answer

The genome of an organism is all of its:

Correct AnswerverifiedShow Answer

A cell with two full sets of chromosomes would be termed a _______________ cell.

Correct AnswerverifiedShow Answer

DNA replication is:

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

The enzyme that builds a short complementary piece of RNA at the start of each DNA segment to be replicated is:

Correct AnswerverifiedShow Answer

The two main stages of the cell cycle are:

Correct AnswerverifiedShow Answer

Most bacteriophages consist of only a _ coat and a ______ core.

Correct Answer
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