K
C
LO
BIO SCI 93 MIDTERM 2
YC
PRACTICE QUESTIONS AND
CORRECT DETAILED /
D
VERIFIED ANSWERS LATEST
U
UPDATE
ST
, Catabolism is to anabolism as ___________________ is to ___________________.
a.) exergonic; spontaneous
b.) exergonic; endergonic
c.) free energy; entropy
d.) work; energy - ANS b
Most cells cannot harness heat to perform work because
K
a.) heat does not involve a transfer of energy.
C
b.) cells do not have much thermal energy; they are eventually cool.
c.) temperature is usually uniform throughout a cell.
d.) heat can never be used to do work. - ANS c
LO
Which of the following metabolic processes can occur without a net influx of energy
form some other process?
a.) ADP + P ->> ATP+H2O
YC
b.) C6H12O6 + 6H2O ->> 6CO2 + 6H2O
c.) 6CO2 + 6H2O ->> C6H12O6 + 6H2O
d.) Amino Acids ->> Protein - ANS b
If an enzyme in solution is saturated with substrate, the most effective way to obtain a
D
faster yield of products is to
a) add more of the enzyme.
U
b) heat the solution to 90 degrees C.
c) Add more substrate.
ST
d) Add a noncompetitive inhibitor. - ANS a
Some bacteria are metabolically active in hot springs because
a) they are able to maintain a lower internal temperature.
b) High temperatures make catalysis unnecessary.
c) their enzymes have high optimal temperatures.
d) their enzymes are completely insensitive to temperature. - ANS c
The immediate energy source that drives ATP synthesis by ATP Synthase during
oxidative phosphorylation is the
C
LO
BIO SCI 93 MIDTERM 2
YC
PRACTICE QUESTIONS AND
CORRECT DETAILED /
D
VERIFIED ANSWERS LATEST
U
UPDATE
ST
, Catabolism is to anabolism as ___________________ is to ___________________.
a.) exergonic; spontaneous
b.) exergonic; endergonic
c.) free energy; entropy
d.) work; energy - ANS b
Most cells cannot harness heat to perform work because
K
a.) heat does not involve a transfer of energy.
C
b.) cells do not have much thermal energy; they are eventually cool.
c.) temperature is usually uniform throughout a cell.
d.) heat can never be used to do work. - ANS c
LO
Which of the following metabolic processes can occur without a net influx of energy
form some other process?
a.) ADP + P ->> ATP+H2O
YC
b.) C6H12O6 + 6H2O ->> 6CO2 + 6H2O
c.) 6CO2 + 6H2O ->> C6H12O6 + 6H2O
d.) Amino Acids ->> Protein - ANS b
If an enzyme in solution is saturated with substrate, the most effective way to obtain a
D
faster yield of products is to
a) add more of the enzyme.
U
b) heat the solution to 90 degrees C.
c) Add more substrate.
ST
d) Add a noncompetitive inhibitor. - ANS a
Some bacteria are metabolically active in hot springs because
a) they are able to maintain a lower internal temperature.
b) High temperatures make catalysis unnecessary.
c) their enzymes have high optimal temperatures.
d) their enzymes are completely insensitive to temperature. - ANS c
The immediate energy source that drives ATP synthesis by ATP Synthase during
oxidative phosphorylation is the
