BIOB34 Exam Questions With Complete Solutions
(MR = Metabolic Rate; M = Mass) If you determined that the
slope of the relationship between log(MR) and log(M) for a
given group of animals was = 0.6. What would the slope of the
relationship between log(MR/M) and log(M) be? Correct
Answers -0.4
According to Fick's equation which of the following would
enhance the rate of mass diffusion of O2 across a surface?
a. Smaller cross-sectional area for diffusion
b. A lower permeability coefficient
Higher acidity
c. A greater diffusion distance
d. A greater concentration difference Correct Answers d. A
greater concentration difference
All other things equal, an animal that expresses the alpha-
glycerophosphate shuttle will exhibit a _________ maximum
P/O ratio than an animal that expresses the malate-aspartate
shuttle. Correct Answers lower
Amylase breaks down glycogen into which of the following?
a. maltose
b. branched oligosaccharides
c. sucrose
d. glucose
e. lactose Correct Answers a. maltose
b. branched oligosaccharides
,An inhibitory post synaptic graded potential (IPSP) is an
example of a biological phenomenon (or signal) which behaves
like an AC current.
a. true
b. false Correct Answers b. false
Angiotensin II receptor blocker drugs work, in part, by
increasing filtration rates at the glomerulus.
a. true
b. false Correct Answers b. false
Assuming there is negligible protein catabolism occurring and
that all metabolism is aerobically supported, a measured RQ (or
RER) of 0.75 indicates which of the following about the animal
being studied?
a. it is primarily, but not exclusively, oxidizing lipids
b. it is primarily, but not exclusively, oxidizing carbohydrates
c. it is exclusively oxidizing carbohydrates
d. it is exclusively oxidizing lipids Correct Answers a. it is
primarily, but not exclusively, oxidizing lipids
Both the citric acid cycle and beta oxidation of fatty acids take
place int he cytoplasm.
a. true
b. false Correct Answers b. false
, Branch points in glycogen molecules are not broken by amylase
catalytic activity because...
a. amylase cannot hydrolyze α-1,6 linkages between
monosaccharides
b. amylase cannot hydrolyze α-1,4 linkages between
monosaccharides
c. glycogen molecules are made, in part, of furanose monomers
and amylase cannot hydrolyze bonds between furanose and
other monosaccharides Correct Answers a. amylase cannot
hydrolyze α-1,6 linkages between monosaccharides
Brown adipose tissue is a thermogenic tissue largely because...
a. it cycles Ca2+ across membranes in a futile cycle
b. its rete mirabile effectively ratains extra heat
c. it. ishighly vascularized
d. the electron transport system and ATP synthase activity of its
mitochondria are somewhat uncoupled Correct Answers d. the
electron transport system and ATP synthase activity of its
mitochondria are somewhat uncoupled
Charles Hamelin is an olympic medalist distance speed skater.
Imagine he was taking part in a distance competition (5000 m
race).
As he sprints the first 20 meters away from the starting line,
Charles Hamelin's muscles are primarily relying on _________
to sustain ATP levels. As he crosses the finish line 5000 m later,
Charles' muscles are generating ATP primarily via _________
using __________ as the primary substrate. Correct Answers
(MR = Metabolic Rate; M = Mass) If you determined that the
slope of the relationship between log(MR) and log(M) for a
given group of animals was = 0.6. What would the slope of the
relationship between log(MR/M) and log(M) be? Correct
Answers -0.4
According to Fick's equation which of the following would
enhance the rate of mass diffusion of O2 across a surface?
a. Smaller cross-sectional area for diffusion
b. A lower permeability coefficient
Higher acidity
c. A greater diffusion distance
d. A greater concentration difference Correct Answers d. A
greater concentration difference
All other things equal, an animal that expresses the alpha-
glycerophosphate shuttle will exhibit a _________ maximum
P/O ratio than an animal that expresses the malate-aspartate
shuttle. Correct Answers lower
Amylase breaks down glycogen into which of the following?
a. maltose
b. branched oligosaccharides
c. sucrose
d. glucose
e. lactose Correct Answers a. maltose
b. branched oligosaccharides
,An inhibitory post synaptic graded potential (IPSP) is an
example of a biological phenomenon (or signal) which behaves
like an AC current.
a. true
b. false Correct Answers b. false
Angiotensin II receptor blocker drugs work, in part, by
increasing filtration rates at the glomerulus.
a. true
b. false Correct Answers b. false
Assuming there is negligible protein catabolism occurring and
that all metabolism is aerobically supported, a measured RQ (or
RER) of 0.75 indicates which of the following about the animal
being studied?
a. it is primarily, but not exclusively, oxidizing lipids
b. it is primarily, but not exclusively, oxidizing carbohydrates
c. it is exclusively oxidizing carbohydrates
d. it is exclusively oxidizing lipids Correct Answers a. it is
primarily, but not exclusively, oxidizing lipids
Both the citric acid cycle and beta oxidation of fatty acids take
place int he cytoplasm.
a. true
b. false Correct Answers b. false
, Branch points in glycogen molecules are not broken by amylase
catalytic activity because...
a. amylase cannot hydrolyze α-1,6 linkages between
monosaccharides
b. amylase cannot hydrolyze α-1,4 linkages between
monosaccharides
c. glycogen molecules are made, in part, of furanose monomers
and amylase cannot hydrolyze bonds between furanose and
other monosaccharides Correct Answers a. amylase cannot
hydrolyze α-1,6 linkages between monosaccharides
Brown adipose tissue is a thermogenic tissue largely because...
a. it cycles Ca2+ across membranes in a futile cycle
b. its rete mirabile effectively ratains extra heat
c. it. ishighly vascularized
d. the electron transport system and ATP synthase activity of its
mitochondria are somewhat uncoupled Correct Answers d. the
electron transport system and ATP synthase activity of its
mitochondria are somewhat uncoupled
Charles Hamelin is an olympic medalist distance speed skater.
Imagine he was taking part in a distance competition (5000 m
race).
As he sprints the first 20 meters away from the starting line,
Charles Hamelin's muscles are primarily relying on _________
to sustain ATP levels. As he crosses the finish line 5000 m later,
Charles' muscles are generating ATP primarily via _________
using __________ as the primary substrate. Correct Answers
