b b b b
OpenStax
b
Microbiology-Chapter 7: b b b
Microbial
b
Biochemistry
, BIOLOGY206OpenStaxMicrobiologyTestBank-Chapter 7: b b b b b b b
Microbial Biochemistry b b
Chapter 7: Microbial Biochemistry
b b b
*=Correctanswer
b b b
Multiple Choice
b b
1. Which of the following is the best definition of a macronutrient?
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A. a trace element
b b
B. a vitamin b
C. an organic molecule necessary for life
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D. the most abundant elements found in living cells*
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Difficulty: Easy b
ASMStandard:N/A
b b b
2. Amino groups are an important component of which of the following macromolecules?
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A. carbohydrates
B. lipids
C. nucleic acids b
D. proteins*
Difficulty: Easy b
ASMStandard:N/A
b b b
3. The building blocks of polymers are called which of the following?
b b b b b b b b b b
A. inorganic molecules b
B. macromolecules
C. monomers*
D. nucleic acids b
Difficulty: Easy b
ASMStandard:N/A
b b b
4. Which of the following is not one of the four major types of carbon-based macromolecules
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found in cells?
b b b
A. carbohydrates
B. lipids
C. macronutrients*
D. nucleic acids b
Difficulty: Easy b
ASMStandard:N/A
b b b
https://www.stuvia.com/user/angelinas
, 5. In which form do plants generally store sugar molecules?
b b b b b b b b
A. cellulose
B. chitin
C. glycogen
D. starch*
Difficulty: Easy b
ASMStandard:N/A
b b b
6. Which term specifically describes fatty acids that do not have any double bonds, triple bonds, or
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rings?
b
A. esterified
B. polyunsaturated
C. saturated*
D. unsaturated
Difficulty: Easy b
ASMStandard:N/A
b b b
7. Which of the following best describes the difference between steroids and sterols?
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A. Steroids are the most common type of sterol.
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B. Steroids contain rings, whereas sterols do not.
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C. Sterols are a type of steroid with an OH group.*
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D. Sterols are present in prokaryotes and steroids are not.
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Difficulty: Moderate b
ASM Standard: N/A
b b b
8. Which best describes oligopeptides?
b b b
A. a molecule consisting of two amino acids
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B. long chains of amino acids
b b b b
C. polymers of about 20 amino acids* b b b b b
D. polymers of about 50 amino acids b b b b b
Difficulty: Easy b
ASMStandard:N/A
b b b
9. Which of the following is not a lipid?
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A. a fatty acid
b b
B. a glyceraldehyde*
b
C. a wax b
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