UNE Dr. Dudevoir Microbiology
Final Exam With Detailed
Questions and Answers | Latest
Updated
Glycolytic pathways and the pentose phosphate pathway - Correct Answer-a) some
ATP produced (substrate-level phosphorylation) and electron carriers produced
b) some intermediate steps of the pathways are important for synthesis of amino acids,
nucleic acids
Fermentation pathways - Correct Answer-a) many products including acids or alcohols
b) recycles NAD to be used in glycolysis or Krebs cycle
c) no oxygen necessary
d) little or no ATP produced
Krebs cycle (TCA cycle) - Correct Answer-a) important for synthesis of electron carriers
NADH, FADH2
b) molecules of the cycle are important for synthesis of amino acids
Electron transport and ATP synthase - Correct Answer-a) occurs at the respiratory
membranes of prokaryotes
b) forms a proton gradient as electrons are passed from protein to protein
c) in aerobic organisms, oxygen is necessary as the final electron acceptor
(1) ATP is formed by oxidative phosphorylation, powered by the proton gradient
d) in anaerobic organisms, other molecules are the final electron acceptors
operon - Correct Answer-the entire stretch of DNA that includes the operator, the
promoter, and the genes that they control
bacterial conjugation - Correct Answer-the direct transfer of genetic material (DNA)
from one bacterial cell to another
bacterial transformation - Correct Answer-process by which bacteria can incorporate
other bacterial DNA free in the environment
bacterial transduction - Correct Answer-when bacteria exchange DNA by using a
bacteriophage
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, 5 major ways that antibiotics work - Correct Answer-a) block cell wall synthesis
b) block metabolic pathways
c) stop protein synthesis by interfering with ribosome function or transcription of DNA
d) stop nucleic acid synthesis
e) disrupt cell membranes
major virulence factors of bacteria - Correct Answer-a) capsule
b) pili and fimbriae
c) flagella
d) exotoxins
e) exoenzymes
f) endotoxin
biofilm - Correct Answer-A surface-coating colony of prokaryotes that engage in
metabolic cooperation.
Staphylococcus causes what diseases - Correct Answer-Impetigo
Cellulitis
Necrotizing fasciitis
Scalded skin syndrome
Streptococcus causes what diseases - Correct Answer-Impetigo
Cellulitis
Necrotizing fasciitis
Dental caries
Bacterial meningitis
Haemophilus causes what diseases - Correct Answer-bacterial meningitis
helicobacteria causes what diseases - Correct Answer-bacterial disease of stomach:
Gastritis and Gastric ulcer
vibrio causes what diseases - Correct Answer-cholera in lower intestinal tract
E. coli causes what diseases - Correct Answer-diarrhea
Shigella causes what diseases - Correct Answer-diarrhea
Clostridium causes what diseases - Correct Answer-Gas gangrene
Diarrhea
Tetanus
Botulism
2|Page
Final Exam With Detailed
Questions and Answers | Latest
Updated
Glycolytic pathways and the pentose phosphate pathway - Correct Answer-a) some
ATP produced (substrate-level phosphorylation) and electron carriers produced
b) some intermediate steps of the pathways are important for synthesis of amino acids,
nucleic acids
Fermentation pathways - Correct Answer-a) many products including acids or alcohols
b) recycles NAD to be used in glycolysis or Krebs cycle
c) no oxygen necessary
d) little or no ATP produced
Krebs cycle (TCA cycle) - Correct Answer-a) important for synthesis of electron carriers
NADH, FADH2
b) molecules of the cycle are important for synthesis of amino acids
Electron transport and ATP synthase - Correct Answer-a) occurs at the respiratory
membranes of prokaryotes
b) forms a proton gradient as electrons are passed from protein to protein
c) in aerobic organisms, oxygen is necessary as the final electron acceptor
(1) ATP is formed by oxidative phosphorylation, powered by the proton gradient
d) in anaerobic organisms, other molecules are the final electron acceptors
operon - Correct Answer-the entire stretch of DNA that includes the operator, the
promoter, and the genes that they control
bacterial conjugation - Correct Answer-the direct transfer of genetic material (DNA)
from one bacterial cell to another
bacterial transformation - Correct Answer-process by which bacteria can incorporate
other bacterial DNA free in the environment
bacterial transduction - Correct Answer-when bacteria exchange DNA by using a
bacteriophage
1|Page
, 5 major ways that antibiotics work - Correct Answer-a) block cell wall synthesis
b) block metabolic pathways
c) stop protein synthesis by interfering with ribosome function or transcription of DNA
d) stop nucleic acid synthesis
e) disrupt cell membranes
major virulence factors of bacteria - Correct Answer-a) capsule
b) pili and fimbriae
c) flagella
d) exotoxins
e) exoenzymes
f) endotoxin
biofilm - Correct Answer-A surface-coating colony of prokaryotes that engage in
metabolic cooperation.
Staphylococcus causes what diseases - Correct Answer-Impetigo
Cellulitis
Necrotizing fasciitis
Scalded skin syndrome
Streptococcus causes what diseases - Correct Answer-Impetigo
Cellulitis
Necrotizing fasciitis
Dental caries
Bacterial meningitis
Haemophilus causes what diseases - Correct Answer-bacterial meningitis
helicobacteria causes what diseases - Correct Answer-bacterial disease of stomach:
Gastritis and Gastric ulcer
vibrio causes what diseases - Correct Answer-cholera in lower intestinal tract
E. coli causes what diseases - Correct Answer-diarrhea
Shigella causes what diseases - Correct Answer-diarrhea
Clostridium causes what diseases - Correct Answer-Gas gangrene
Diarrhea
Tetanus
Botulism
2|Page
