29. What term best describes the following reaction carried out by Brucella suis? SO4 → APS →→→ H2S → Methionine (amino acid) A. Catabolism B. Amphibolism C. Dissimilation D. Autotrophy E. Assimilation 30. The foamy “head" (arrow) on this fermentation product comes directly from A. N2 gas release D. Acetoin release E. Decarboxylation of pyruvate B. Sulfate reduction to H2S gas C. Lactate buildup

Human Anatomy & Physiology (11th Edition)
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Chapter1: The Human Body: An Orientation
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29. What term best describes the following reaction carried out by Brucella suis?
SO4 → APS →→→ H2S → Methionine (amino acid)
A. Catabolism
B. Amphibolism C. Dissimilation
D. Autotrophy
E. Assimilation
30. The foamy "head" (arrow) on this fermentation product comes directly from
A. N2 gas release
B. Sulfate reduction to H2S gas
C. Lactate buildup
D. Acetoin release
E. Decarboxylation of pyruvate
31. The process in #10 is made possible by
A. active site blockers B. allosteric inhibitors C. allosteric activators
D. stationary phase growth E. cell death
32. Which of these is the first step to countering a plume of ammonia-rich fertilizer percolating
towards an underground aquafer?
A. inject molasses B. inject oxygen
E. inject water
C. inject an electron source
D. inject nitrite
33. The follow-up step for #32 should encourage which of these reactions?
A. N-fixation
B. sulfate reduction
C. ammonification
D. denitrification
E. nitrification
34. The antibiotic rifampin fits into the active site of bacterial RNA polymerase, blocking DNA
binding. The term for this is
A. non-competitive inhibition B. allosteric effect C. sigma factor D. competitive inhibition
35. What is the role of B12 in the reaction below?
Methyl transferase (apoenzyme) + B12
A. sigma factor B. catalyst
holoenzyme
C. protein subunit
D. cofactor E. allosteric factor
36. End-product(s) of a microbe that uses acetaldehyde as a terminal electron acceptor instead
of oxygen
A. CO2 B. ethanol C. lactate D. NAD* E. NADH
Transcribed Image Text:29. What term best describes the following reaction carried out by Brucella suis? SO4 → APS →→→ H2S → Methionine (amino acid) A. Catabolism B. Amphibolism C. Dissimilation D. Autotrophy E. Assimilation 30. The foamy "head" (arrow) on this fermentation product comes directly from A. N2 gas release B. Sulfate reduction to H2S gas C. Lactate buildup D. Acetoin release E. Decarboxylation of pyruvate 31. The process in #10 is made possible by A. active site blockers B. allosteric inhibitors C. allosteric activators D. stationary phase growth E. cell death 32. Which of these is the first step to countering a plume of ammonia-rich fertilizer percolating towards an underground aquafer? A. inject molasses B. inject oxygen E. inject water C. inject an electron source D. inject nitrite 33. The follow-up step for #32 should encourage which of these reactions? A. N-fixation B. sulfate reduction C. ammonification D. denitrification E. nitrification 34. The antibiotic rifampin fits into the active site of bacterial RNA polymerase, blocking DNA binding. The term for this is A. non-competitive inhibition B. allosteric effect C. sigma factor D. competitive inhibition 35. What is the role of B12 in the reaction below? Methyl transferase (apoenzyme) + B12 A. sigma factor B. catalyst holoenzyme C. protein subunit D. cofactor E. allosteric factor 36. End-product(s) of a microbe that uses acetaldehyde as a terminal electron acceptor instead of oxygen A. CO2 B. ethanol C. lactate D. NAD* E. NADH
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(Antibiotics)
Neomycin
Gentamicin
Vancomycin
Ampicillin
Buatracın
Erythromycin
Penicillin G
Streptomycin
Chloramphenicol
Disc content
30 mcg.
10 meg.
30 mcg.
10 FACE
15 mcg
10 units
TO FINCE
20) TCE
Diameter of zone of inhibition (mm)
Resistant (mm Intermediate
or less)
(mm)
12
12
14
13
8
13
IN
15-16
14-16
9-12
14-22
12-14
13-17
Sensitive
(mm or more)
15
17
17
15
15
ibrary Hudzicki
Ⓒ
piqu
CENTIMETERS
INCHES
22. Given the data (above) what can you conclude about using chloramphenicol to treat
an infection caused by this microbe?
A
A. the microbe is resistant
B. this drug should be used only if there are no better options
C. the microbe is sensitive to the drug
D. cannot use this drug
E. any zone of inhibition shows that a drug will be an effective treatment
Transcribed Image Text:(Antibiotics) Neomycin Gentamicin Vancomycin Ampicillin Buatracın Erythromycin Penicillin G Streptomycin Chloramphenicol Disc content 30 mcg. 10 meg. 30 mcg. 10 FACE 15 mcg 10 units TO FINCE 20) TCE Diameter of zone of inhibition (mm) Resistant (mm Intermediate or less) (mm) 12 12 14 13 8 13 IN 15-16 14-16 9-12 14-22 12-14 13-17 Sensitive (mm or more) 15 17 17 15 15 ibrary Hudzicki Ⓒ piqu CENTIMETERS INCHES 22. Given the data (above) what can you conclude about using chloramphenicol to treat an infection caused by this microbe? A A. the microbe is resistant B. this drug should be used only if there are no better options C. the microbe is sensitive to the drug D. cannot use this drug E. any zone of inhibition shows that a drug will be an effective treatment
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