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EXSS 276 Exam 1 Questions And Answers
2025 Update.
In glycolysis, Fructose-6-phosphate is converted to what in the next chemical reaction? -
Answer✔Fructose-1,6-diphosphate
Process by which Ketone Bodies are formed? - Answer✔Ketosis
Phosphoenol Pyruvate is part of which energy pathway? - Answer✔Glycolysis
Which of the following is an enzyme in the Krebs Cycle and considered an integral protein of
the mitochondria? - Answer✔Pyruvate dehydrogenase
The cytosolic NADH+H produced in skeletal muscle Glycolysis under __________ conditions is
placed in the
mitochondria as __________. - Answer✔aerobic; FADH2
NADH+H placed into the Electron Transport Chain is equal to approximately 3 ATP under
aerobic conditions. - Answer✔True
The bioenergetics of aerobic ATP production from glucose is? - Answer✔Less in skeletal muscle
cells than cardiac muscle cells
The First Law of Thermodynamics allows us to interconvert forms of energy - Answer✔True
In the Krebs Cycle the direct formation of ATP per "one turn" of the cycle is (hint, no electron
transport chain
involvement)? - Answer✔1
A. Electron Transport Chain
B. Glycolysis
C. Krebs Cycle
D. Beta Oxidation
E. None of the above - Answer✔1. Water formation = A
1
, ©THEBRIGHT 2025 ALL RIGHTS RESERVED 11:11PM.
2. CO2 formation = C
3. Glucose 6-phosphate formation = B
4. Fumaric Acid = C
5. FAD formation = C
6. Dihydroxyacetone phosphate formation = B
In the Chemiosmotic Theory of ATP production, an important enzyme is ________, and a critical
determinant of
the number of ATP produced is the quantity of _____ released into the inter-mitochondrial
membrane space that
interact with that enzyme. - Answer✔ATP Synthase; H+
The bioenergetics of ATP production for one glucose being converted into ATP is _______ 100%
efficient and
results in typically _______ ATP produced. - Answer✔less than; 36-38
Glycogenolysis is the process by which glycogen is __________. - Answer✔Broken down -
catabolism
Creatine phosphate re-phosphorylation of ADP to ATP is? - Answer✔anaerobic
Substrate (direct) re-phosphorylation of ADP to ATP is ______ and occurs in ______. -
Answer✔anaerobic; glycolysis
An enzyme that is key to Glycolysis and associated with "trapping" (by phosphorylation) a
glucose in a cell is
called? - Answer✔Hexokinase
According to the book, ~75% of the glycogen in your body is found in skeletal muscle. Can this
glycogen be
used directly to help maintain blood glucose levels? - Answer✔No
According to the book, lactate can be "re-built" into glucose in the process called
Gluconeogenesis. But, I
refuted that point and said that process is lactate specific and called? - Answer✔Cori Cycle
Malic Acid in the Krebs Cycle is converted into? - Answer✔Oxaloacetic Acid
According to the energy balance equation, a positive energy state (i.e., status) means you are
adding to the
overall energy stores of your body. - Answer✔True
2
EXSS 276 Exam 1 Questions And Answers
2025 Update.
In glycolysis, Fructose-6-phosphate is converted to what in the next chemical reaction? -
Answer✔Fructose-1,6-diphosphate
Process by which Ketone Bodies are formed? - Answer✔Ketosis
Phosphoenol Pyruvate is part of which energy pathway? - Answer✔Glycolysis
Which of the following is an enzyme in the Krebs Cycle and considered an integral protein of
the mitochondria? - Answer✔Pyruvate dehydrogenase
The cytosolic NADH+H produced in skeletal muscle Glycolysis under __________ conditions is
placed in the
mitochondria as __________. - Answer✔aerobic; FADH2
NADH+H placed into the Electron Transport Chain is equal to approximately 3 ATP under
aerobic conditions. - Answer✔True
The bioenergetics of aerobic ATP production from glucose is? - Answer✔Less in skeletal muscle
cells than cardiac muscle cells
The First Law of Thermodynamics allows us to interconvert forms of energy - Answer✔True
In the Krebs Cycle the direct formation of ATP per "one turn" of the cycle is (hint, no electron
transport chain
involvement)? - Answer✔1
A. Electron Transport Chain
B. Glycolysis
C. Krebs Cycle
D. Beta Oxidation
E. None of the above - Answer✔1. Water formation = A
1
, ©THEBRIGHT 2025 ALL RIGHTS RESERVED 11:11PM.
2. CO2 formation = C
3. Glucose 6-phosphate formation = B
4. Fumaric Acid = C
5. FAD formation = C
6. Dihydroxyacetone phosphate formation = B
In the Chemiosmotic Theory of ATP production, an important enzyme is ________, and a critical
determinant of
the number of ATP produced is the quantity of _____ released into the inter-mitochondrial
membrane space that
interact with that enzyme. - Answer✔ATP Synthase; H+
The bioenergetics of ATP production for one glucose being converted into ATP is _______ 100%
efficient and
results in typically _______ ATP produced. - Answer✔less than; 36-38
Glycogenolysis is the process by which glycogen is __________. - Answer✔Broken down -
catabolism
Creatine phosphate re-phosphorylation of ADP to ATP is? - Answer✔anaerobic
Substrate (direct) re-phosphorylation of ADP to ATP is ______ and occurs in ______. -
Answer✔anaerobic; glycolysis
An enzyme that is key to Glycolysis and associated with "trapping" (by phosphorylation) a
glucose in a cell is
called? - Answer✔Hexokinase
According to the book, ~75% of the glycogen in your body is found in skeletal muscle. Can this
glycogen be
used directly to help maintain blood glucose levels? - Answer✔No
According to the book, lactate can be "re-built" into glucose in the process called
Gluconeogenesis. But, I
refuted that point and said that process is lactate specific and called? - Answer✔Cori Cycle
Malic Acid in the Krebs Cycle is converted into? - Answer✔Oxaloacetic Acid
According to the energy balance equation, a positive energy state (i.e., status) means you are
adding to the
overall energy stores of your body. - Answer✔True
2
