Question 1

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) A) and C)

Question 2

Which of the following does NOT increase the risk for developing cancer?

Accepted Answer

A)  vigorous exercise
B)  poor diet
C)  mutated genes
D)  sun exposure
E)  tobaccoF) B) and D)
G) A) and D)

Question 3

If a cancer metastasizes,its cells travel through the blood stream and colonize other areas of the body.

Accepted Answer

A) True 
 B)False

Question 4

Each newly replicated molecule of DNA contains one conserved strand from the original DNA molecule.

Accepted Answer

A) True 
 B)False

Question 5

A cell condenses its DNA into ______ in preparation for mitosis.

Accepted Answer

A)  centromere
B)  chromatin
C)  centrioles
D)  two nuclei
E)  chromosomesF) None of the above
G) D) and E)

Question 6

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) B) and D)
G) A) and B)

Question 7

Sister chromatids are

Accepted Answer

A)  genetically identical and attached to each other at the centromere.
B)  genetically different and attached to each other at the centromere.
C)  genetically different.
D)  genetically identical.
E)  attached to each other at the centromerE.F) D) and E)
G) A) and E)

Question 8

Apoptosis is also called

Accepted Answer

A)  replication.
B)  mitosis.
C)  programmed cell death.
D)  the cell cycle.
E)  programmed cellular reproduction.F) A) and D)
G) None of the above

Question 9

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

Accepted Answer

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

Question 10

In the section "Investigating Life: Cutting Off a Tumor's Supply Lines in the War on Cancer",endostatin is a 184-amino acid protein that only affects endothelial cells.What is the best explanation for this observation?

Accepted Answer

A)  Endothelial cells produce endostatin.
B)  Endostatin can diffuse across the membrane of endothelial cells.
C)  Only endothelial cells are exposed to endostatin.
D)  Endothelial cells have a receptor on their cell membrane for endostatin.
E)  Endostatin enters endothelial cells by endocytosis.F) A) and E)
G) A) and B)

Question 11

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

Accepted Answer

A)  3' AATTAC 5'.
B)  3' TTCCTG 5'.
C)  3' GGCCGT 5'.
D)  3' TTAATG 5'.
E)  3' AATGAC 5'.F) B) and E)
G) A) and E)

Question 12

Any change in a cell's DNA sequence is a mutation.

Accepted Answer

A) True 
 B)False

Question 13

Before a cell divides,it must first duplicate its entire

Accepted Answer

A)  cytoplasmic contents.
B)  cell membrane structure.
C)  array of enzymes.
D)  genome.
E)  cell wall.F) A) and B)
G) B) and E)

Question 14

During each round of replication,a mutation occurs in approximately 1% of a cell's nucleotides.

Accepted Answer

A) True 
 B)False

Exam 8: DNA Replication and Cell Division

Sister chromatids are

Correct Answer
verified

Any change in a cell's DNA sequence is a mutation.

Correct Answer
verified

In the section "Investigating Life: Cutting Off a Tumor's Supply Lines in the War on Cancer",endostatin is a 184-amino acid protein that only affects endothelial cells.What is the best explanation for this observation?

Correct Answer
verified

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 Answer
verified

During each round of replication,a mutation occurs in approximately 1% of a cell's nucleotides.

Correct Answer
verified

Which of the following does NOT increase the risk for developing cancer?

Correct Answer
verified

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

Correct Answer
verified

The genome of an organism is all of its

Correct Answer
verified

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

Correct Answer
verified

A cell condenses its DNA into ______ in preparation for mitosis.

Correct Answer
verified

Apoptosis is also called

Correct Answer
verified

Before a cell divides,it must first duplicate its entire

Correct Answer
verified

Each newly replicated molecule of DNA contains one conserved strand from the original DNA molecule.

Correct Answer
verified

If a cancer metastasizes,its cells travel through the blood stream and colonize other areas of the body.

Correct Answer
verified

Exam 8: DNA Replication and Cell Division

Sister chromatids are

Correct AnswerverifiedShow Answer

Any change in a cell's DNA sequence is a mutation.

Correct AnswerverifiedShow Answer

In the section "Investigating Life: Cutting Off a Tumor's Supply Lines in the War on Cancer",endostatin is a 184-amino acid protein that only affects endothelial cells.What is the best explanation for this observation?

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

During each round of replication,a mutation occurs in approximately 1% of a cell's nucleotides.

Correct AnswerverifiedShow Answer

Which of the following does NOT increase the risk for developing cancer?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The genome of an organism is all of its

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A cell condenses its DNA into ______ in preparation for mitosis.

Correct AnswerverifiedShow Answer

Apoptosis is also called

Correct AnswerverifiedShow Answer

Before a cell divides,it must first duplicate its entire

Correct AnswerverifiedShow Answer

Each newly replicated molecule of DNA contains one conserved strand from the original DNA molecule.

Correct AnswerverifiedShow Answer

If a cancer metastasizes,its cells travel through the blood stream and colonize other areas of the body.

Correct AnswerverifiedShow Answer

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verified

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