Question 1

Deamination is the removal of a(n) ________ group in proteins.

Accepted Answer

A)  carboxyl
B)  amino
C)  phosphate
D)  hydroxyl
E)  glycerolF) A) and E)
G) A) and D)

Question 2

The breakdown of peptidoglycan to N-acetylmuramic acid,N-acetylglucosamine,and peptides is an example of ________.

Accepted Answer

A)  anabolism
B)  catabolism
C)  phosphorylation
D)  fermentation
E)  synthesisF) A) and E)
G) A) and D)

Question 3

In the electron transport chain,the collective,captured energy released by electrons is used to phosphorylate ________.

Accepted Answer

A)  ATP
B)  ADP
C)  pyruvic acid
D)  oxygen
E)  NADF) B) and E)
G) None of the above

Question 4

A patient with anorexia nervosa is admitted to the hospital for medical treatment. The patient presents with severe malnutrition and evidence of organ dysfunction. Labs are drawn and continuous intravenous (IV)  fluids are initiated.
-The RN instructs the patient that although bacterial cells can also undergo aerobic respiration,they differ from eukaryotic cells in that ________.

Accepted Answer

A)  they make less ATP in this process than eukaryotic cells
B)  the Krebs cycle takes place in the mitochondrion in these cells
C)  glycolysis takes place in the mitochondrion in these cells
D)  the electron transport chain is present in the plasma membrane of these cellsE) B) and C)
F) A) and C)

Question 5

All of the chemical reactions of the cell are called ________.

Accepted Answer

A)  catabolism
B)  redox reactions
C)  phosphorylation
D)  metabolism
E)  cellular respirationF) B) and D)
G) D) and E)

Question 6

Which of the following does not reflect anabolism?

Accepted Answer

A)  Beta oxidation of fatty acids to acetyl CoA.
B)  Enzyme production from amino acids.
C)  DNA replication from nucleotides.
D)  Fatty acid assimilation to form lipids.E) A) and B)
F) All of the above

Question 7

A patient with anorexia nervosa is admitted to the hospital for medical treatment. The patient presents with severe malnutrition and evidence of organ dysfunction. Labs are drawn and continuous intravenous (IV)  fluids are initiated.
-The RN prepares to initiate IV fluid therapy for the patient.Knowing the importance of cellular energy production,which of the following maintenance IV fluids would be most appropriate for the physician to order?

Accepted Answer

A)  0.9% sodium chloride
B)  Lactated ringers
C)  0.45% sodium chloride
D)  0.9% sodium chloride with dextroseE) A) and B)
F) None of the above

Question 8

During aerobic cellular respiration,the final electron acceptor is ________.

Accepted Answer

A)  pyruvic acid
B)  oxygen
C)  nitrate
D)  cytochrome c
E)  FADF) C) and E)
G) All of the above

Question 9

During which phase of cellular respiration is the majority of ATP formed?

Accepted Answer

A)  Krebs cycle
B)  Glycolysis
C)  Processing of pyruvic acid for the Krebs cycle
D)  Electron transport
E)  All phases produce the same number of ATP molecules.F) None of the above
G) All of the above

Question 10

Which of the following is not true regarding glycolysis?

Accepted Answer

A)  It occurs without oxygen
B)  It ends with the formation of pyruvic acid
C)  It occurs during fermentation
D)  It degrades glucose to CO₂ and H₂O
E)  It involves the reduction of NAD⁺F) All of the above
G) D) and E)

Question 11

Reduction of nitrogen-oxygen ions,such as nitrate,by some bacteria is called ________.

Accepted Answer

A)  aerobic respiration
B)  denitrification
C)  nitrification
D)  fermentation
E)  deaminationF) A) and E)
G) A) and D)

Question 12

Which of the following is not true of anaerobic respiration?

Accepted Answer

A)  Involves glycolysis
B)  Generates some ATP
C)  Utilizes an electron transport system
D)  Uses the same final electron acceptor as aerobic respirationE) C) and D)
F) A) and B)

Question 13

In a bacterial cell,synthesis of an essential amino acid would take place continually unless the amino acid was abundant in the growth media,in which case ________.

Accepted Answer

A)  the genes that code for the enzymes that catalyze the synthesis of the amino acid would be repressed
B)  the genes that code for the enzymes that catalyze the synthesis of the amino acid would be induced
C)  the enzymes that catalyze the reactions to hydrolyze the amino acid would be repressed
D)  the enzymes that catalyze the reactions to hydrolyze the amino acid would be inducedE) B) and D)
F) C) and D)

Question 14

An apoenzyme is ________.

Accepted Answer

A)  part of a simple enzyme
B)  also called a coenzyme
C)  the protein part of a holoenzyme
D)  often an inorganic metal ion
E)  an RNA moleculeF) C) and E)
G) B) and C)

Question 15

Fatty acids can be converted to acetyl-CoA for entering the Krebs cycle by the process of ________.

Accepted Answer

A)  amination
B)  deamination
C)  phosphorylation
D)  beta oxidation
E)  gluconeogenesisF) A) and B)
G) All of the above

Question 16

ATP is composed of deoxyribose,adenine,and three phosphate groups.

Accepted Answer

A) True 
 B)False

Question 17

Reactants are converted to products by ________.

Accepted Answer

A)  enzymes releasing energy
B)  breaking and forming bonds
C)  enzymes binding to reactants
D)  reactants releasing energy
E)  None of the choices are correctF) All of the above
G) None of the above

Question 18

A 67-year-old patient with severe sepsis undergoes a full infectious workup upon admittance to the intensive care unit. Cultures of urine, blood, sputum, and cerebral spinal fluid are obtained. The cultures do not yield a specific organism, so further analysis of the sample is done to determine the characteristics of the microorganism. The organism's metabolic processes are analyzed in the lab.
-The organism sample is further tested and found to grow in the absence of oxygen.Which of three main pathways of catabolism may this organism utilize to produce energy under these circumstances?

Accepted Answer

A)  Aerobic respiration and fermentation
B)  Anaerobic respiration and aerobic respiration
C)  Fermentation and anaerobic respiration
D)  Aerobic respiration,anaerobic respiration,and fermentationE) A) and B)
F) A) and C)

Question 19

Important components of coenzymes are ________.

Accepted Answer

A)  vitamins
B)  metallic ions
C)  active sites
D)  substrates
E)  ribozymesF) A) and C)
G) A) and B)

Exam 7: Microbial Metabolism

During which phase of cellular respiration is the majority of ATP formed?

Correct Answer
verified

An apoenzyme is ________.

Correct Answer
verified

During aerobic cellular respiration,the final electron acceptor is ________.

Correct Answer
verified

In the electron transport chain,the collective,captured energy released by electrons is used to phosphorylate ________.

Correct Answer
verified

The breakdown of peptidoglycan to N-acetylmuramic acid,N-acetylglucosamine,and peptides is an example of ________.

Correct Answer
verified

Reactants are converted to products by ________.

Correct Answer
verified

Fatty acids can be converted to acetyl-CoA for entering the Krebs cycle by the process of ________.

Correct Answer
verified

Deamination is the removal of a(n) ________ group in proteins.

Correct Answer
verified

ATP is composed of deoxyribose,adenine,and three phosphate groups.

Correct Answer
verified

Important components of coenzymes are ________.

Correct Answer
verified

Reduction of nitrogen-oxygen ions,such as nitrate,by some bacteria is called ________.

Correct Answer
verified

Correct Answer
verified

In a bacterial cell,synthesis of an essential amino acid would take place continually unless the amino acid was abundant in the growth media,in which case ________.

Correct Answer
verified

Which of the following does not reflect anabolism?

Correct Answer
verified

Correct Answer
verified

Which of the following is not true of anaerobic respiration?

Correct Answer
verified

All of the chemical reactions of the cell are called ________.

Correct Answer
verified

Which of the following is not true regarding glycolysis?

Correct Answer
verified

Correct Answer
verified

Exam 7: Microbial Metabolism

During which phase of cellular respiration is the majority of ATP formed?

Correct AnswerverifiedShow Answer

An apoenzyme is ________.

Correct AnswerverifiedShow Answer

During aerobic cellular respiration,the final electron acceptor is ________.

Correct AnswerverifiedShow Answer

In the electron transport chain,the collective,captured energy released by electrons is used to phosphorylate ________.

Correct AnswerverifiedShow Answer

The breakdown of peptidoglycan to N-acetylmuramic acid,N-acetylglucosamine,and peptides is an example of ________.

Correct AnswerverifiedShow Answer

Reactants are converted to products by ________.

Correct AnswerverifiedShow Answer

Fatty acids can be converted to acetyl-CoA for entering the Krebs cycle by the process of ________.

Correct AnswerverifiedShow Answer

Deamination is the removal of a(n) ________ group in proteins.

Correct AnswerverifiedShow Answer

ATP is composed of deoxyribose,adenine,and three phosphate groups.

Correct AnswerverifiedShow Answer

Important components of coenzymes are ________.

Correct AnswerverifiedShow Answer

Reduction of nitrogen-oxygen ions,such as nitrate,by some bacteria is called ________.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

In a bacterial cell,synthesis of an essential amino acid would take place continually unless the amino acid was abundant in the growth media,in which case ________.

Correct AnswerverifiedShow Answer

Which of the following does not reflect anabolism?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following is not true of anaerobic respiration?

Correct AnswerverifiedShow Answer

All of the chemical reactions of the cell are called ________.

Correct AnswerverifiedShow Answer

Which of the following is not true regarding glycolysis?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified