Question 1

Microtubules become shorter,pulling chromatids to the ends of the spindle,during

Accepted Answer

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

Question 2

The division of a bacterial cell occurs as the

Accepted Answer

A)  cell wall develops cracks around the equator of the cell.
B)  chromosomes are pulled toward the ends of the cell.
C)  cytoplasm forms a cell plate around the middle of the cell.
D)  microfilaments and microtubules constrict the cytoplasm.
E)  plasma membrane pinches inward constricting the cell.F) A) and B)
G) C) and E)

Question 3

Hereditary information is partitioned equally between two daughter cells.

Accepted Answer

A)  G1
B)  S
C)  G2
D)  M
E)  CF) A) and D)
G) C) and D)

Question 4

Each chromosome has a ____________,a point of constriction containing certain repeated DNA sequences that bind specific proteins.

Accepted Answer

A)  DNA strand
B)  centromere
C)  node
D)  synapseE) None of the above
F) A) and B)

Question 5

_________ is the portion of the cell cycle in which the chromosomes are invisible under the light microscope because they are not yet condensed.

Accepted Answer

A)  Interphase
B)  Prophase
C)  Anaphase
D)  TelophaseE) A) and B)
F) None of the above

Question 6

Cytokinesis occurs right after

Accepted Answer

A)  prophase.
B)  G1.
C)  G2.
D)  anaphase.
E)  telophasE.F) B) and C)
G) A) and B)

Question 7

A scientist wants to study histones.Histones are

Accepted Answer

A)  proteins that are tightly bound to the double strands of DNA.
B)  proteins that are tightly bound with only one of the strands of DNA.
C)  proteins that are tightly bound to mRNA.
D)  proteins that serve as spindle fiber to pull the sister chromatids apart during anaphase.
E)  proteins that are tightly bound to inside of the nuclear membranE.F) D) and E)
G) None of the above

Question 8

Growth of the cell;synthesis of enzymes;normal metabolism.

Accepted Answer

A)  G1
B)  S
C)  G2
D)  M
E)  CF) A) and B)
G) A) and C)

Question 9

Which of the following cell functions are maintained by cell division?

Accepted Answer

A)  growth and reproduction
B)  death
C)  metabolism
D)  movement
E)  organizationF) All of the above
G) B) and E)

Question 10

Most eukaryotic cells go through a repeating process of growth and division referred to as the cell ______.

Accepted Answer

A)  division
B)  cluster
C)  organization
D)  cycleE) All of the above
F) A) and C)

Question 11

As a doctor,you are examining a patient who recently experienced some liver damage as a side effect of the medication that she was taking for an unrelated medical condition.You explain to her that the liver problem may take some time to resolve as certain liver cells have a cell cycle of about

Accepted Answer

A)  24 hours.
B)  6 weeks.
C)  6 months.
D)  1 year.E) A) and B)
F) B) and C)

Question 12

Binary fission in prokaryotes concludes with the accumulation of _______ protein at the midpoint of the cell which facilitates septum formation.

Accepted Answer

A)  folded
B)  p53
C)  FtsZ
D)  phosphorylatedE) C) and D)
F) A) and B)

Question 13

Eukaryotic chromosomes are composed of a complex of 60% protein and 40% DNA.The name of this chemical complex is a

Accepted Answer

A)  histone complex.
B)  chromatin.
C)  histamine complex.
D)  chromatiD.
E)  centromerE.F) B) and D)
G) A) and B)

Question 14

The cell organelles replicate prior to genomic separation in ______ phase.

Accepted Answer

A)  G1
B)  S
C)  G2
D)  M
E)  CF) All of the above
G) None of the above

Question 15

Prophase is the first stage of mitosis characterized by the _________ of the chromosomes.

Accepted Answer

A)  duplication
B)  splitting
C)  condensation
D)  mergingE) All of the above
F) B) and D)

Question 16

Before cell division of the body cells,each homologue replicates into two parts.These parts are connected by a centromere and are called

Accepted Answer

A)  sister chromatids.
B)  daughter chromatids.
C)  sister chromosomes.
D)  daughter chromosomes.
E)  genes.F) All of the above
G) C) and D)

Question 17

Plant cells typically achieve cytokinesis by

Accepted Answer

A)  binary fission.
B)  forming a cell plate across the middle of the cell.
C)  forming a cleavage furrow that pinches the cell into two.
D)  chromosome condensation.
E)  chromosome elongation.F) A) and E)
G) B) and C)

Question 18

If a cell has 32 chromosomes prior to S and undergoes mitosis followed by cytokinesis,each new daughter cell will have how many chromosomes?

Accepted Answer

A)  64
B)  32
C)  16
D)  8E) A) and B)
F) A) and C)

Question 19

Bacteria divide by binary _______,in which the cell divides into two nearly equal halves.

Accepted Answer

A)  fission
B)  mitosis
C)  duplication
D)  codeE) A) and B)
F) B) and D)

Question 20

If you wanted to convert a proto-oncogene to an oncogene,which of the following methods would you choose?

Accepted Answer

A)  growth factor exposure
B)  genetic damage
C)  pair the proto-oncogene with a tumor-suppressor gene
D)  halt cell cycle progressionE) All of the above
F) None of the above

Exam 10: How Cells Divide

Bacteria divide by binary _______,in which the cell divides into two nearly equal halves.

Correct AnswerverifiedShow Answer

Which of the following cell functions are maintained by cell division?

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As a doctor,you are examining a patient who recently experienced some liver damage as a side effect of the medication that she was taking for an unrelated medical condition.You explain to her that the liver problem may take some time to resolve as certain liver cells have a cell cycle of about

Correct AnswerverifiedShow Answer

Prophase is the first stage of mitosis characterized by the _________ of the chromosomes.

Correct AnswerverifiedShow Answer

If a cell has 32 chromosomes prior to S and undergoes mitosis followed by cytokinesis,each new daughter cell will have how many chromosomes?

Correct AnswerverifiedShow Answer

The division of a bacterial cell occurs as the

Correct AnswerverifiedShow Answer

Growth of the cell;synthesis of enzymes;normal metabolism.

Correct AnswerverifiedShow Answer

Eukaryotic chromosomes are composed of a complex of 60% protein and 40% DNA.The name of this chemical complex is a

Correct AnswerverifiedShow Answer

Each chromosome has a ____________,a point of constriction containing certain repeated DNA sequences that bind specific proteins.

Correct AnswerverifiedShow Answer

Binary fission in prokaryotes concludes with the accumulation of _______ protein at the midpoint of the cell which facilitates septum formation.

Correct AnswerverifiedShow Answer

Most eukaryotic cells go through a repeating process of growth and division referred to as the cell ______.

Correct AnswerverifiedShow Answer

A scientist wants to study histones.Histones are

Correct AnswerverifiedShow Answer

Cytokinesis occurs right after

Correct AnswerverifiedShow Answer

Plant cells typically achieve cytokinesis by

Correct AnswerverifiedShow Answer

If you wanted to convert a proto-oncogene to an oncogene,which of the following methods would you choose?

Correct AnswerverifiedShow Answer

Before cell division of the body cells,each homologue replicates into two parts.These parts are connected by a centromere and are called

Correct AnswerverifiedShow Answer

_________ is the portion of the cell cycle in which the chromosomes are invisible under the light microscope because they are not yet condensed.

Correct AnswerverifiedShow Answer

Microtubules become shorter,pulling chromatids to the ends of the spindle,during

Correct AnswerverifiedShow Answer

The cell organelles replicate prior to genomic separation in ______ phase.

Correct AnswerverifiedShow Answer

Hereditary information is partitioned equally between two daughter cells.

Correct AnswerverifiedShow Answer

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