Question 1

What is all of the DNA in a set of 23 chromosomes referred to as?

Accepted Answer

A)  A centromere
B)  A chromatid
C)  The karyotype
D)  The phenotype
E)  The genomeF) A) and D)
G) A) and C)

Question 2

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) A) and C)

Question 3

Eye color is a normal polygenic trait.

Accepted Answer

A) True 
 B)False

Question 4

Hemophilia is caused by a sex-linked recessive allele.This means that __________.

Accepted Answer

A)  women can be carriers but cannot get hemophilia
B)  the gene is found on the Y chromosome
C)  a man can give the allele to his son but not to his daughter
D)  a son who has hemophilia inherited the allele from his mother
E)  a son who has hemophilia inherited the allele from his fatherF) A) and B)
G) None of the above

Question 5

All of the following participate in DNA replication except __________.

Accepted Answer

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

Question 6

Anticodons,codons,and base triplets correspond to __________ respectively.

Accepted Answer

A)  tRNA, DNA, and mRNA
B)  DNA, tRNA, and mRNA
C)  tRNA, mRNA, and DNA
D)  DNA, RNA, and pre-mRNA
E)  RNA, DNA, and pre-mRNAF) C) and D)
G) C) and E)

Question 7

Which of these processes occurs during a cell's first gap (G1) phase?

Accepted Answer

A)  DNA is semiconservatively replicated.
B)  The nuclear envelope breaks down.
C)  The cell synthesizes the enzymes that control mitosis.
D)  The cell synthesizes proteins and grows.
E)  The chromatin condenses into visible chromosomes.F) A) and D)
G) B) and C)

Question 8

The enzyme RNA polymerase participates in translation.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is the template for transcription?

Accepted Answer

A)  The molecule that carries codons
B)  The molecule that carries anticodons
C)  The molecule that carries base triplets
D)  The molecule that carries amino acids
E)  The molecule that carries tRNAF) A) and C)
G) D) and E)

Question 10

The stage at which chromosomes aggregate along the equator of a cell is __________.

Accepted Answer

A)  prophase
B)  metaphase
C)  anaphase
D)  telophase
E)  interphaseF) A) and B)
G) A) and D)

Question 11

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) A) and D)
G) All of the above

Question 12

What is the product of translation?

Accepted Answer

A)  A newly synthesized amino acid
B)  A newly synthesized polypeptide
C)  A newly synthesized nucleic acid
D)  An mRNA
E)  A tRNAF) A) and E)
G) D) and E)

Question 13

Copying genetic information from DNA into RNA is called __________; using the information contained in mRNA to make a polypeptide is called __________.

Accepted Answer

A)  transcription; translation
B)  translation; transcription
C)  DNA replication; translation
D)  DNA duplication; transcription
E)  DNA translation; RNA transcriptionF) B) and C)
G) A) and C)

Question 14

A mutation is __________.

Accepted Answer

A)  a change in size or shape of a cell
B)  a beneficial change in DNA structure
C)  a harmful change in DNA structure
D)  a neutral change in DNA structure
E)  a change in DNA structure that might be beneficial, harmful, or neutralF) A) and D)
G) A) and C)

Question 15

Cytokinesis overlaps with which phase of mitosis?

Accepted Answer

A)  The S phase
B)  Telophase
C)  Metaphase
D)  Prophase
E)  InterphaseF) B) and D)
G) None of the above

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

Naked DNA is called chromatin.

Accepted Answer

A) True 
 B)False

Question 18

Sister chromatids are pulled to opposite poles of a cell during __________ of the cell cycle.

Accepted Answer

A)  the S phase
B)  the G2 phase
C)  prophase
D)  metaphase
E)  anaphaseF) A) and E)
G) B) and D)

Question 19

There are three codons that do not code for any amino acid.

Accepted Answer

A) True 
 B)False

Question 20

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 E)
G) D) and E)

Exam 4: Genetics of Cellular Function

Which of these processes occurs during a cell's first gap (G1) phase?

Correct AnswerverifiedShow Answer

There are three codons that do not code for any amino acid.

Correct AnswerverifiedShow Answer

Cytokinesis overlaps with which phase of mitosis?

Correct AnswerverifiedShow Answer

The stage at which chromosomes aggregate along the equator of a cell is __________.

Correct AnswerverifiedShow Answer

Anticodons,codons,and base triplets correspond to __________ respectively.

Correct AnswerverifiedShow Answer

Naked DNA is called chromatin.

Correct AnswerverifiedShow Answer

What is all of the DNA in a set of 23 chromosomes referred to as?

Correct AnswerverifiedShow Answer

Sister chromatids are pulled to opposite poles of a cell during __________ of the cell cycle.

Correct AnswerverifiedShow Answer

Copying genetic information from DNA into RNA is called __________; using the information contained in mRNA to make a polypeptide is called __________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the product of translation?

Correct AnswerverifiedShow Answer

All of the following participate in DNA replication except __________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Hemophilia is caused by a sex-linked recessive allele.This means that __________.

Correct AnswerverifiedShow Answer

A mutation is __________.

Correct AnswerverifiedShow Answer

Which of the following is the template for transcription?

Correct AnswerverifiedShow Answer

The enzyme RNA polymerase participates in translation.

Correct AnswerverifiedShow Answer

Eye color is a normal polygenic trait.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of these processes occurs during a cell's first gap (G₁) phase?

Correct Answer
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Copying genetic information from DNA into RNA is called ; using the information contained in mRNA to make a polypeptide is called .

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

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