MICROBIOLOGY Exam 2 CHAMBERLAIN 2025
Prep Test Bank with 300 QUESTIONS WITH
CORRECT DETAILED ANSWERS &
RATIONALES | ATI RN COMPREHENSIVE
PREDICTOR WITH NGN LATEST VERSION
All of the following are components of peptidoglycan EXCEPT
a. N-acetylglucosamine
b. N-acetylmutamic acid
c. lipopolysaccharide
d. amino acids
e. peptide cross-links - Correct Answer :lipopolysaccharide
Which is NOT a component of a Gram-Negative bacterium's wall?
A+ TEST BANK 1
, MICROBIOLOGY Exam CHAMBERLAIN 2025
A. peptidoglycan
B. teichoic acid
C. N-acetylmuramic acid
D. diaminopimelic acid
E. N-acetylglucosamine - Correct Answer :teichoic acid
Bacterial shape is determined by
a. tubulin and actin
b. cell membrane
c. cytoskeleton
d. s-layers
e. outer membrane - Correct Answer :cytoskeleton
which name refers to having flagella attached at both ends of the cell?
a. peritrichous
b. lophotrichous
c. monotrichous
d. amphitrichous
e. flagellated - Correct Answer :amphitrichous
the highest useful magnification for a light microscope is about
a. 100x
b. 1,000x
c. 10,000 x
d. 100,000x - Correct Answer :1,000x
A+ TEST BANK 2
, MICROBIOLOGY Exam CHAMBERLAIN 2025
In many bacteria, the electron carrier _______ is used for biosynthesis, whereas
_______ feeds the electron transport system
a. NADPH; NADH
b. FADH2; NAPDH
c. NADH; acetyl-S-CoA
d. chlorophyll; NADPH - Correct Answer :NADPH; NADH
the enzyme private kinase catalyzes the conversion of phosohoenolpyruvpate
to pyruvate; the phosphate group is transferred t ADP to form ATP. This reaction
is an example of
a. ATP synthesis by substrate-level phosphorylation
b. AtP synthesis by the se of PMF foF1 ATPases
c. ATP coupled to FADH2 oxidation
d. ATP coupled to FADH2 oxidation - Correct Answer :ATP synthesis by substrate
level phosphorylation
which of the following paris is mismatched?
a. Embden-Meyerhof-Parnas pathway- 2 ATP, 2 NADH
b. Enter-Doudoroff pathway- 1 ATP, 1 NADH, and 1 NADPH
c. Pentose phosphate pathway- 1 ATP, 2 NADH
d. bacterial tricarboxylic acid cycle- 3 NADH, 1 FADH2, 1 ATP - Correct Answer
:pentose phosphate pathway- 1 ATP and 1 NADH
A+ TEST BANK 3
, MICROBIOLOGY Exam CHAMBERLAIN 2025
fatty acids and peptide enter the TCA cycle after being converted to what
molecule?
a. acetyl- phosphate
b. oxaloacetate
c. acetyl-coA
d. glyceradldehyde 3 phosphate
e. pyruvate - Correct Answer :acetyl coA
glucose is activated by ____ phosphorylations by ATP during the first stage of
the EMP glycolysis pathway
a. one
b. two
c. three
d. four
e. glucose is not phosphorylated - Correct Answer :two
in glycolysis, dihydroxyacetone phosphate is isomerize to _________, which
enters the second stage of the pathway
a. glucose 6 phosphate
b. glyceraldehyde 3 phosphate
c. phosphoenolpyruvte
d. fructose 6 phosphate
e. pyruvate - Correct Answer :glyceraldehyde 3 phosphate
A+ TEST BANK 4