Student Center
|
Instructor Center
|
Information Center
|
Home
Career Opportunities
Answer Key Errata
Biocourse
MiM III Correlation Guide
Web Links
Microbiology in the News
Study Tips
Supplemental Case Studies
Tutorial Service
Choose a Chapter
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 13
Chapter 14
Chapter 15
Chapter 16
Chapter 17
Chapter 18
Chapter 19
Chapter 20
Chapter 21
Chapter 22
Chapter 23
Chapter 24
Chapter 25
Chapter 26
Chapter Overview
Chapter Capsule
Multiple Choice Quiz
Flashcards
Internet Exercises
Animations
Chapter Web Links
Supplemental Microfiles
Supplemental Quiz
Concept Questions
Feedback
Help Center
Foundations in Microbiology, 4/e
Kathleen Park Talaro, Pasadena City College
Arthur Talaro
Microbial Metabolism
Multiple Choice Quiz
1
_____ is another term for biosynthesis.
A)
catabolism
B)
anabolism
C)
metabolism
D)
catalyst
2
Catabolism is a form of metabolism in which _________ molecules are converted into __________ molecules.
A)
large, small
B)
small, large
C)
amino acid, protein
D)
food, storage
3
An enzyme _______ the activation energy required for a chemical reaction.
A)
increases
B)
converts
C)
lowers
D)
catalyzes
4
An enzyme
A)
becomes part of the final products
B)
is nonspecific for substrate
C)
is consumed by the reaction
D)
is heat and pH labile
5
An apoenzyme is where the _________ is located
A)
cofactor
B)
coenzyme
C)
redox reaction
D)
active site
6
Many coenzymes are
A)
metals
B)
vitamins
C)
proteins
D)
substrates
7
To digest cellulose in its environment, a fungus produces a/an
A)
endoenzyme
B)
exoenzyme
C)
catalase
D)
polymerase
8
In negative feedback control of enzymes, a build-up in the amount of _____ decreases the activity in the enzyme.
A)
substrate
B)
reactant
C)
product
D)
ATP
9
Energy in biological systems is primarily
A)
electrical
B)
chemical
C)
radiant
D)
mechanical
10
Energy is carried from catabolic to anabolic reactions in the form of __________.
A)
ADP
B)
high-energy ATP bonds
C)
coenzymes
D)
inorganic phosphate
11
Exergonic reactions
A)
release potential energy
B)
consume energy
C)
form bonds
D)
occur only outside the cell
12
A reduced compound is
A)
NAD
B)
FAD
C)
NADH
D)
ADP
13
Most oxidation reactions in microbial bioenergetics involve the
A)
removal of electrons and hydrogens
B)
addition of electrons and hydrogens
C)
addition of oxygen
D)
removal of oxygen
14
Products of glycolysis are
A)
ATP
B)
H2O
C)
CO2
D)
both a and b
15
Fermentation of a glucose molecule gives off a net number of ATPs.
A)
4
B)
2
C)
40
D)
0
16
Complete oxidation of glucose in aerobic respiration yields a net output of ATP.
A)
40
B)
6
C)
38
D)
2
17
The compound that enters the TCA cycle from glycolysis is
A)
citric acid
B)
oxaloacetic acid
C)
pyruvic acid
D)
acetyl coenzyme A
18
The FADH2 formed during the TCA cycle enters the electron transport system at which site?
A)
NADH dehydrogenase
B)
cytochrome
C)
coenzyme Q
D)
ATP synthase
19
ATP synthase complexes can generate _______ATP(s) for each NADH that enters electron transport.
A)
1
B)
2
C)
3
D)
4
2002 McGraw-Hill Higher Education
Any use is subject to the
Terms of Use
and
Privacy Policy
.
McGraw-Hill Higher Education
is one of the many fine businesses of
The McGraw-Hill Companies
.