Question 1

If a bacterial cell encounters unfavorable environmental conditions,then its metabolism will begin to slow until it eventually transforms into an inactive,dormant state.This survival mechanism is known as:

Accepted Answer

A)  polymerization.
B)  oxidation.
C)  respiration.
D)  sporulation.E) A) and C)
F) B) and D)

Question 2

A bacterial cell that contains an outer membrane and periplasmic space stains pink to red on Gram stain.Which one of the following statements explains this discrepancy?

Accepted Answer

A)  The bacteria were subjected to too much alcohol during the decolorization process,causing the organism to absorb the pink-to-red dye.
B)  The bacteria with an outer membrane and periplasmic space should not be Gram stained because of their cell wall content.
C)  Something is wrong with the lot of stains and may be expired.The Gram stain reagents are most likely expired.
D)  No discrepancy is present;organisms that contain an outer membrane and periplasmic space should stain pink because of their cell wall composition.E) A) and B)
F) C) and D)

Question 3

Amino acids,fatty acids,sugars,and nucleotides are produced during which metabolic reaction?

Accepted Answer

A)  Fueling
B)  Biosynthesis
C)  Polymerization
D)  AssemblyE) A) and B)
F) All of the above

Question 4

Which of the following processes takes place in the cytoplasm and involves the transfer RNA (tRNA) mediating the sequential addition of amino acids in a specific sequence that is dictated by the codon sequence of the messenger RNA (mRNA) molecule?

Accepted Answer

A)  Transcription
B)  Initiation
C)  Elongation
D)  TerminationE) A) and D)
F) B) and C)

Question 5

Pieces of deoxyribonucleic acid (DNA) that move from one genetic element to another and contain genes for movement and genes for other features are called:

Accepted Answer

A)  transposons.
B)  insertion sequences.
C)  plasmids.
D)  chromatoids.E) None of the above
F) B) and C)

Question 6

A pathway that generates ATP by substrate-level phosphorylation that does not require oxygen and produces various end products,including alcohols,acids,carbon dioxide,and hydrogen,is:

Accepted Answer

A)  substrate-level phosphorylation.
B)  fermentative metabolism.
C)  oxidative phosphorylation.
D)  aerobic respiration.E) B) and C)
F) All of the above

Question 7

In the following genetic sequence,identify the correct complementary strand of DNA for the sequence 3' CAGTACCGTAAGCT 5'

Accepted Answer

A)  3' GTCATGGCATTCGA 5'
B)  5' GTCATGGCATTCGA 3'
C)  5' AGCTTACGGTACTG 3'
D)  5' GTCATGGCTTCGA 3'E) B) and D)
F) B) and C)

Question 8

The mechanism for adenosine triphosphate (ATP) production in which high-energy phosphate bonds produced by the central metabolic pathways are donated to adenosine diphosphate (ADP) to form ATP is:

Accepted Answer

A)  substrate-level phosphorylation.
B)  fermentative metabolism.
C)  oxidative phosphorylation.
D)  aerobic respiration.E) A) and D)
F) None of the above

Question 9

A bacterial cell that contains teichoic acid stains which color on the Gram stain?

Accepted Answer

A)  Pink
B)  Red
C)  Green
D)  PurpleE) A) and C)
F) A) and D)

Exam 2: Bacterial Genetics, metabolism, and Structure

In the following genetic sequence,identify the correct complementary strand of DNA for the sequence 3' CAGTACCGTAAGCT 5'

Correct Answer
verified

The mechanism for adenosine triphosphate (ATP) production in which high-energy phosphate bonds produced by the central metabolic pathways are donated to adenosine diphosphate (ADP) to form ATP is:

Correct Answer
verified

A pathway that generates ATP by substrate-level phosphorylation that does not require oxygen and produces various end products,including alcohols,acids,carbon dioxide,and hydrogen,is:

Correct Answer
verified

If a bacterial cell encounters unfavorable environmental conditions,then its metabolism will begin to slow until it eventually transforms into an inactive,dormant state.This survival mechanism is known as:

Correct Answer
verified

Pieces of deoxyribonucleic acid (DNA) that move from one genetic element to another and contain genes for movement and genes for other features are called:

Correct Answer
verified

Which of the following processes takes place in the cytoplasm and involves the transfer RNA (tRNA) mediating the sequential addition of amino acids in a specific sequence that is dictated by the codon sequence of the messenger RNA (mRNA) molecule?

Correct Answer
verified

A bacterial cell that contains an outer membrane and periplasmic space stains pink to red on Gram stain.Which one of the following statements explains this discrepancy?

Correct Answer
verified

Amino acids,fatty acids,sugars,and nucleotides are produced during which metabolic reaction?

Correct Answer
verified

A bacterial cell that contains teichoic acid stains which color on the Gram stain?

Correct Answer
verified

Exam 2: Bacterial Genetics, metabolism, and Structure

In the following genetic sequence,identify the correct complementary strand of DNA for the sequence 3' CAGTACCGTAAGCT 5'

Correct AnswerverifiedShow Answer

The mechanism for adenosine triphosphate (ATP) production in which high-energy phosphate bonds produced by the central metabolic pathways are donated to adenosine diphosphate (ADP) to form ATP is:

Correct AnswerverifiedShow Answer

A pathway that generates ATP by substrate-level phosphorylation that does not require oxygen and produces various end products,including alcohols,acids,carbon dioxide,and hydrogen,is:

Correct AnswerverifiedShow Answer

If a bacterial cell encounters unfavorable environmental conditions,then its metabolism will begin to slow until it eventually transforms into an inactive,dormant state.This survival mechanism is known as:

Correct AnswerverifiedShow Answer

Pieces of deoxyribonucleic acid (DNA) that move from one genetic element to another and contain genes for movement and genes for other features are called:

Correct AnswerverifiedShow Answer

Which of the following processes takes place in the cytoplasm and involves the transfer RNA (tRNA) mediating the sequential addition of amino acids in a specific sequence that is dictated by the codon sequence of the messenger RNA (mRNA) molecule?

Correct AnswerverifiedShow Answer

A bacterial cell that contains an outer membrane and periplasmic space stains pink to red on Gram stain.Which one of the following statements explains this discrepancy?

Correct AnswerverifiedShow Answer

Amino acids,fatty acids,sugars,and nucleotides are produced during which metabolic reaction?

Correct AnswerverifiedShow Answer

A bacterial cell that contains teichoic acid stains which color on the Gram stain?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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