OpenStax Microbiology Test Bank Chapter 8: Microbial Metabolism solved 100% CORRECT ANSWERS
Chapter 8: Microbial Metabolism
* = Correct answer
... [Show More] Multiple Choice
1. Which of the following refers to the term metabolism?
A. all the reactions in a cell or organism*
B. all the reactions in a cell that break down molecules only
C. all the reactions in a cell that build new molecules only
D. all the reactions in a cell that decompose molecules only
Difficulty: Easy ASM Standard: N/A
2. Which of the following best describes an endergonic reaction?
A. absorbs energy from the environment*
B. is coupled with another reaction
C. is involved in biosynthesis
D. releases energy into the environment
Difficulty: Easy ASM Standard: N/A
3. Chemotrophs obtain their energy from which of the following?
A. inorganic chemical reactions only
B. light energy
C. organic chemical reactions only
D. organic and inorganic chemical reactions*
Difficulty: Easy ASM Standard: 11
4. Which of the following describes a molecule that had an electron removed?
A. anabolized
B. electronated
C. oxidized*
D. reduced
Difficulty: Easy ASM Standard: N/A
5. Which of the following best describes the subcomponents of pyrophosphate?
A. two inorganic phosphate molecules*
B. two organic phosphate molecules
C. three inorganic phosphate molecules
D. three organic phosphate molecules
Difficulty: Easy ASM Standard: N/A
6. Which molecule is often called the cell’s energy currency?
A. adenosine triphosphate*
B. flavin adenine dinucleotide
C. nicotinamide adenine dinucleotide
D. nicotinamide adenine dinucleotide phosphate
Difficulty: Easy ASM Standard: N/A
7. Which site on an enzyme is where substrates bind?
A. the activation site
B. the active site*
C. the catalyst site
D. the lock and key site
Difficulty: Easy ASM Standard: N/A
8. Which of the following are inorganic molecules that bind to enzymes?
A. apoenzymes
B. coenzymes
C. cofactors*
D. holoenzymes
Difficulty: Easy ASM Standard: N/A
9. Which of the following best describes catabolic pathways?
A. They always absorb energy.
B. They break down large molecules into smaller components.*
C. They build up large molecules from smaller components.
D. They must be coupled with the breakdown of ATP.
Difficulty: Moderate ASM Standard: N/A
10. Which group comprises all lithotrophs?
A. algae
B. autotrophs
C. microbes*
D. plants [Show Less]