Question 1

All of the body's nonreproductive cells,called __________,usually have 23 pairs of chromosomes and are thus called __________ cells.

Accepted Answer

A)   germ cells;haploid (n) 
B)   germ cells;diploid (2n) 
C)   somatic cells;haploid (n) 
D)   somatic cells;diploid (2n) E) A) and C)
F) A) and D)

Question 2

Which molecule contains anticodons?

Accepted Answer

A)   An mRNA
B)   A DNA molecule
C)   A tRNA
D)   An rRNA
E)   A cDNAF) None of the above
G) C) and E)

Question 3

All of the following participate in DNA replication except __________.

Accepted Answer

A)   DNA
B)   ribosomes
C)   DNA ligase
D)   DNA helicase
E)   DNA polymeraseF) A) and C)
G) B) and D)

Question 4

A cell finishing mitosis has __________ DNA molecules,while a cell finishing DNA replication has __________ DNA molecules.

Accepted Answer

A)   46;46
B)   46;92
C)   46;23
D)   23;46
E)   23;23F) C) and E)
G) B) and E)

Question 5

Which of the following is not found in RNA?

Accepted Answer

A)   Thymine
B)   Uracil
C)   Ribose
D)   GuanineE) B) and C)
F) A) and B)

Question 6

A karyotype shows the __________ chromosomes sorted and isolated from a cell in __________.

Accepted Answer

A)   23;interphase
B)   23;metaphase
C)   46;prophase
D)   46;metaphase
E)   46;S phaseF) A) and B)
G) D) and E)

Question 7

DNA never migrates from the nucleus to the cytoplasm to participate directly in protein synthesis.

Accepted Answer

A) True 
 B)False

Question 8

Eye color is a normal polygenic trait.

Accepted Answer

A) True 
 B)False  True

Question 9

All proteins made by the ribosomes are exported from a cell for use elsewhere in the body.

Accepted Answer

A) True 
 B)False

Question 10

Phenotype is the result of genetic influences only.

Accepted Answer

A) True 
 B)False

Question 11

Since there are no genes coding for carbohydrates,nucleic acids,or lipids,how do cells produce them?

Accepted Answer

A)   Enzymes encoded by genes synthesize these products.
B)   Cells are born with all the products they need.
C)   Cells absorb these products by endocytosis.
D)   Cells import these products from older cells.
E)   Cells can produce carbohydrates,nucleic acids,and lipids out of proteins.F) B) and D)
G) B) and C)

Question 12

Cells undergo division when which of the following conditions have been met?

Accepted Answer

A)   They have grown large enough and replicated their DNA
B)   They are still growing and have ample nutrients
C)   They are stimulated by growth factors and neighboring cells are squeezed tightly against them
D)   They have grown large enough and neighboring cells are squeezed tightly against themE) B) and D)
F) None of the above A

Question 13

__________ opens up one segment of the DNA helix during replication;__________adds complementary free nucleotides to the exposed DNA strand.

Accepted Answer

A)   DNA ligase;DNA helicase
B)   DNA helicase;DNA polymerase
C)   DNA ligase;DNA polymerase
D)   DNA helicase;DNA ligase
E)   DNA polymerase;DNA ligaseF) A) and B)
G) D) and E)

Question 14

Which of the following is not directly involved in translation?

Accepted Answer

A)   DNA
B)   mRNA
C)   tRNA
D)   rRNA
E)   RibosomesF) A) and B)
G) A) and C)

Question 15

The G1,S,and G2 phases of the cell cycle are collectively called __________.

Accepted Answer

A)   interphase
B)   telophase
C)   cytokinesis
D)   prophase
E)   anaphaseF) A) and B)
G) C) and D)

Question 16

What is the complementary DNA base sequence to the DNA strand TGCCAT?

Accepted Answer

A)   TGCCAT
B)   UGCCAU
C)   ACGGTA
D)   ACGGUA
E)   ACCGTAF) A) and B)
G) A) and C)

Question 17

Which of the following omits some stage(s) of the cell cycle?

Accepted Answer

A)   G1,S,G2,mitosis
B)   Interphase,mitosis
C)   G1,DNA replication,G2,mitosis
D)   Prophase,metaphase,anaphase,telophase,cytokinesis
E)   Interphase,prophase,metaphase,anaphase,telophase,cytokinesisF) B) and E)
G) B) and D) D

Question 18

If a DNA molecule were known to be 22% thymine (T) ,what would be the percentage of guanine (G) present?

Accepted Answer

A)   8%
B)   11%
C)   22%
D)   28%
E)   78%F) A) and C)
G) A) and D)

Question 19

DNA is a polymer of __________,which consist of a sugar,a phosphate group,and a __________.

Accepted Answer

A)   amino acids;nucleotide
B)   nucleic acids;nucleotide
C)   nucleotides;nitrogenous base
D)   nucleotides;nucleic acid
E)   proteins;nucleotideF) D) and E)
G) A) and B)

Question 20

You were able to radioactively tag and thereby trace an amino acid that is used to make insulin,a hormone that will be exported out of the cell.The pathway of the tagged amino acid would be __________.

Accepted Answer

A)   free ribosome → cytosol → vesicle → extracellular fluid
B)   rough ER → Golgi complex → Golgi vesicle → extracellular fluid
C)   rough ER → smooth ER → Golgi complex → Golgi vesicle → extracellular fluid
D)   smooth ER → Golgi complex → Golgi vesicle → extracellular fluid
E)   smooth ER → Golgi complex → lysosome → extracellular fluidF) B) and E)
G) A) and B)

Exam 4: Genetics of Cellular Function

All of the body's nonreproductive cells,called __________,usually have 23 pairs of chromosomes and are thus called __________ cells.

Correct AnswerverifiedShow Answer

Which molecule contains anticodons?

Correct AnswerverifiedShow Answer

All of the following participate in DNA replication except __________.

Correct AnswerverifiedShow Answer

A cell finishing mitosis has __________ DNA molecules,while a cell finishing DNA replication has __________ DNA molecules.

Correct AnswerverifiedShow Answer

Which of the following is not found in RNA?

Correct AnswerverifiedShow Answer

A karyotype shows the __________ chromosomes sorted and isolated from a cell in __________.

Correct AnswerverifiedShow Answer

DNA never migrates from the nucleus to the cytoplasm to participate directly in protein synthesis.

Correct AnswerverifiedShow Answer

Eye color is a normal polygenic trait.

Correct AnswerverifiedTrue

All proteins made by the ribosomes are exported from a cell for use elsewhere in the body.

Correct AnswerverifiedShow Answer

Phenotype is the result of genetic influences only.

Correct AnswerverifiedShow Answer

Since there are no genes coding for carbohydrates,nucleic acids,or lipids,how do cells produce them?

Correct AnswerverifiedShow Answer

Cells undergo division when which of the following conditions have been met?

Correct AnswerverifiedA

__________ opens up one segment of the DNA helix during replication;__________adds complementary free nucleotides to the exposed DNA strand.

Correct AnswerverifiedShow Answer

Which of the following is not directly involved in translation?

Correct AnswerverifiedShow Answer

The G1,S,and G2 phases of the cell cycle are collectively called __________.

Correct AnswerverifiedShow Answer

What is the complementary DNA base sequence to the DNA strand TGCCAT?

Correct AnswerverifiedShow Answer

Which of the following omits some stage(s) of the cell cycle?

Correct AnswerverifiedD

If a DNA molecule were known to be 22% thymine (T) ,what would be the percentage of guanine (G) present?

Correct AnswerverifiedShow Answer

DNA is a polymer of __________,which consist of a sugar,a phosphate group,and a __________.

Correct AnswerverifiedShow Answer

You were able to radioactively tag and thereby trace an amino acid that is used to make insulin,a hormone that will be exported out of the cell.The pathway of the tagged amino acid would be __________.

Correct AnswerverifiedShow Answer

All of the body's nonreproductive cells,called ,usually have 23 pairs of chromosomes and are thus called cells.

Correct Answer
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A cell finishing mitosis has DNA molecules,while a cell finishing DNA replication has DNA molecules.

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A karyotype shows the chromosomes sorted and isolated from a cell in .

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True

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A

opens up one segment of the DNA helix during replication;adds complementary free nucleotides to the exposed DNA strand.

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The G₁,S,and G₂ phases of the cell cycle are collectively called __________.

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D

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DNA is a polymer of ,which consist of a sugar,a phosphate group,and a .

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