BIOLOGY 206 OpenStax Microbiology Test Bank- Chapter 7:
Microbial Metabolism
,BIOLOGY 206 OpenStax Microbiology Test Bank- Chapter
7: Microbial Metabolism
Chapter 7: Microbial Biochemistry
* = Correct answer
Multiple Choice
1. Which of the following is the best definition of a macronutrient?
A. a trace element
B. a vitamin
C. an organic molecule necessary for life
D. the most abundant elements found in living cells*
2. Amino groups are an important component of which of the following macromolecules?
A. carbohydrates
B. lipids
C. nucleic acids
D. proteins*
3. The building blocks of polymers are called which of the following?
A. inorganic molecules
B. macromolecules
C. monomers*
D. nucleic acids
4. Which of the following is not one of the four major types of carbon-based macromolecules
found in cells?
A. carbohydrates
B. lipids
C. macronutrients*
D. nucleic acids
5. Which of the following is the typical, stable shape of glucose in cells?
A. a branched chain
B. a double ring
Page 1 of 19
, BIOLOGY 206 OpenStax Microbiology Test Bank- Chapter
7: Microbial Metabolism
C. a ring*
D. a tetrahedron
6. In which form do plants generally store sugar molecules?
A. cellulose
B. chitin
C. glycogen
D. starch*
7. Which term specifically describes fatty acids that do not have any double bonds, triple bonds,
or rings?
A. esterified
B. polyunsaturated
C. saturated*
D. unsaturated
8. Which of the following best describes the difference between steroids and sterols?
A. Steroids are the most common type of sterol.
B. Steroids contain rings, whereas sterols do not.
C. Sterols are a type of steroid with an OH group.*
D. Sterols are present in prokaryotes and steroids are not.
9. Which best describes oligopeptides?
A. a molecule consisting of two amino acids
B. long chains of amino acids
C. polymers of about 20 amino acids*
D. polymers of about 50 amino acids
10. Which of the following is not a lipid?
A. a fatty acid
B. a glyceraldehyde*
C. a wax
Page 2 of 19
Microbial Metabolism
,BIOLOGY 206 OpenStax Microbiology Test Bank- Chapter
7: Microbial Metabolism
Chapter 7: Microbial Biochemistry
* = Correct answer
Multiple Choice
1. Which of the following is the best definition of a macronutrient?
A. a trace element
B. a vitamin
C. an organic molecule necessary for life
D. the most abundant elements found in living cells*
2. Amino groups are an important component of which of the following macromolecules?
A. carbohydrates
B. lipids
C. nucleic acids
D. proteins*
3. The building blocks of polymers are called which of the following?
A. inorganic molecules
B. macromolecules
C. monomers*
D. nucleic acids
4. Which of the following is not one of the four major types of carbon-based macromolecules
found in cells?
A. carbohydrates
B. lipids
C. macronutrients*
D. nucleic acids
5. Which of the following is the typical, stable shape of glucose in cells?
A. a branched chain
B. a double ring
Page 1 of 19
, BIOLOGY 206 OpenStax Microbiology Test Bank- Chapter
7: Microbial Metabolism
C. a ring*
D. a tetrahedron
6. In which form do plants generally store sugar molecules?
A. cellulose
B. chitin
C. glycogen
D. starch*
7. Which term specifically describes fatty acids that do not have any double bonds, triple bonds,
or rings?
A. esterified
B. polyunsaturated
C. saturated*
D. unsaturated
8. Which of the following best describes the difference between steroids and sterols?
A. Steroids are the most common type of sterol.
B. Steroids contain rings, whereas sterols do not.
C. Sterols are a type of steroid with an OH group.*
D. Sterols are present in prokaryotes and steroids are not.
9. Which best describes oligopeptides?
A. a molecule consisting of two amino acids
B. long chains of amino acids
C. polymers of about 20 amino acids*
D. polymers of about 50 amino acids
10. Which of the following is not a lipid?
A. a fatty acid
B. a glyceraldehyde*
C. a wax
Page 2 of 19
