Question 1

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

Accepted Answer

A)  metaphase.
B)  anaphase.
C)  prophase.
D)  telophase.
E)  interphasE.F) None of the above
G) C) and D)

Question 2

Meiosis is a process used for

Accepted Answer

A)  repair of damaged cells.
B)  growth of an organism.
C)  asexual reproduction.
D)  production of stem cells.
E)  production of gametes.F) A) and E)
G) C) and D)

Question 3

Apoptosis could be used to limit the spread of an intracellular disease-causing agent by isolating it with dead cells.

Accepted Answer

A) True 
 B)False

Question 4

What hypothesis were the researchers testing by treating tumors with endostatin and a standard chemotherapy drug?

Accepted Answer

A)  Endostatin works on endothelial cells,and therefore natural selection for resistance will not occur in tumor cells.
B)  Endostatin works on tumor cells,and therefore natural selection for resistance will not occur in endothelial cells.
C)  The standard chemotherapy drug works on endothelial cells,and therefore natural selection for resistance will not occur in tumor cells.
D)  The standard chemotherapy drug works on tumor cells,and therefore natural selection for resistance will not occur in endothelial cells.
E)  No answer is correct.F) None of the above
G) B) and D)

Question 5

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

Accepted Answer

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

Question 6

If you were watching a cell undergoing a doubling of the dna in its nucleus,you would be observing

Accepted Answer

A)  protein synthesis.
B)  aerobic respiration.
C)  replication.
D)  substrate-phosphorylation.
E)  photosynthesis.F) A) and E)
G) A) and B)

Question 7

The genome of an organism is all of its

Accepted Answer

A)  proteins.
B)  RNA.
C)  characteristics.
D)  genetic material.
E)  All answers are correct.F) A) and C)
G) D) and E)

Question 8

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 9

No real risk of cancer comes from an organism's environment.

Accepted Answer

A) True 
 B)False

Question 10

A mutation in a gene controlling a cell cycle checkpoint could pose a signifnicant risk of cancer.

Accepted Answer

A) True 
 B)False

Question 11

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)  interphase.
D)  metaphase.
E)  telophasE.F) All of the above
G) B) and E)

Question 12

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 envelopE.F) B) and E)
G) A) and B)

Question 13

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) D) and E)
G) None of the above

Question 14

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) A) and B)
G) A) and C)

Question 15

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

Accepted Answer

A)  interphase.
B)  telophase.
C)  anaphase.
D)  metaphase.
E)  prophasE.F) A) and E)
G) None of the above

Question 16

The two main stages of the eukaryotic cell cycle are

Accepted Answer

A)  interphase and cytokinesis.
B)  interphase and mitosis.
C)  mitosis and cytokinesis.
D)  interphase and prophase.
E)  mitosis and meiosis.F) A) and E)
G) A) and B)

Question 17

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) B) and C)
G) A) and B)

Question 18

DNA's sugar-phosphate backbones are joined with

Accepted Answer

A)  ionic bonds.
B)  hydrogen bonds.
C)  weak chemical bonds.
D)  covalent bonds.
E)  No answer is correct.F) B) and E)
G) A) and B)

Question 19

The phase of mitosis in which the chromosomes are aligned along the equator of the cell is

Accepted Answer

A)  metaphase.
B)  prophase.
C)  interphase.
D)  anaphase.
E)  telophasE.F) C) and D)
G) B) and C)

Question 20

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) B) and E)
G) A) and B)

Exam 8: DNA Replication, binary Fission, and Mitosis

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

Correct AnswerverifiedShow Answer

If you were watching a cell undergoing a doubling of the dna in its nucleus,you would be observing

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What hypothesis were the researchers testing by treating tumors with endostatin and a standard chemotherapy drug?

Correct AnswerverifiedShow Answer

The phase of mitosis in which the chromosomes are aligned along the equator of the cell is

Correct AnswerverifiedShow Answer

Apoptosis could be used to limit the spread of an intracellular disease-causing agent by isolating it with dead cells.

Correct AnswerverifiedShow Answer

The two main stages of the eukaryotic cell cycle are

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

No real risk of cancer comes from an organism's environment.

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 AnswerverifiedShow Answer

DNA's sugar-phosphate backbones are joined with

Correct AnswerverifiedShow Answer

A mutation in a gene controlling a cell cycle checkpoint could pose a signifnicant risk of cancer.

Correct AnswerverifiedShow Answer

The genome of an organism is all of its

Correct AnswerverifiedShow Answer

A nucleosome consists of

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Meiosis is a process used for

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

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

Correct AnswerverifiedShow Answer

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