Exss 276 Final Exam Questions And Answers
2025 Update.
Which of the following enzymes would be considered the key regulatory enzyme for glycolysis?
A. Glycogen phosphate
B. Hexokinase
C. Pyruvate dehydrogenase
D. None of the above - Answer✔none
The "absorptive state" means you have not eaten for hours and are using stored energy to
physiologically function.
A. True
B. False - Answer✔false
There are three critical (key) biochemical intermediates in the energy production pathways,
designated as such due to their versatility. Glycerol-6-Phosphate is one.
A. Yes, this is a correct statement
B. No, this is not a correct statement - Answer✔no
According to the book, a single NADH+H+ on average results in how many ATPs being produced
in the electron transport chain?
A. 3.5
B. 1.5
C. 2.5
D. 9 - Answer✔2.5
In glycolysis, does the key regulatory enzyme differ in "aerobic" glycolysis versus "anaerobic"
glycolysis?
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A. Yes, it does
B. No, it does not - Answer✔no
Glyceraldehyde-3-phosphate is part of which biochemical pathway?
A. Krebs Cycle
B. Glycolysis
C. Beta-oxidation - Answer✔glycolysis
Which form of glucose transport proteins (GluT) are associated with the brain?
A. Insulin dependent
B. Insulin independent
C. Neither of the above are correct - Answer✔insulin dependent
Is carbohydrate a macronutrient or a micronutrient?
A. Micronutrient
B. Macronutrient - Answer✔macronutrient
Can ketoacidosis from Ketone Body formation (ketosis process) be considered a clinically
dangerous situation, especially in a Type I diabetic?
A. No
B. Yes - Answer✔yes
Can micronutrients be used directly to re-phosphorylase ATP from ADP and Pi (i.e., can the
chemical energy in micronutrients be converted into ATP)?
A. Yes, most certainly.
B. No, most certainly not. - Answer✔no
Which form of calorimetry assesses heat to determine either energy content or energy
expenditure?
A. Direct calorimetry
B. Indirect calorimetry - Answer✔direct
Which form of calorimetry measures oxygen?
A. Direct calorimetry
B. Indirect calorimetry - Answer✔indirect
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Relative to bodily energy expenditure in a 24-hour period, what is the most contributing factor,
in a college-aged person who is not an athlete?
A. Thermic effect of food, eating
B. Physical activity in a day
C. Basal metabolic rate / resting energy expenditure - Answer✔basal
s glucose a monosaccharide or a disaccharide?
A. Triaccharide
B. Monosaccharide
C. Disaccharide - Answer✔disaccharide
You would find creatine phosphate inside of a skeletal muscle cell, specifically the cytosol
(cytoplasm).
A. True
B. False - Answer✔true
Pyruvate dehydrogenase (PDH) is considered a peripheral mitochondrial protein and is a key
enzyme in the regulation of glycolysis as well as beta-oxidation.
A. True
B. False - Answer✔false
No other biochemical pathway associated with energy production is found in the mitochondria
matrix other than the Krebs Cycle.
A. True
B. False - Answer✔false
What does pyruvic acid need to be turned into before it can enter into the Krebs Cycle?
A. Glucose
B. Hexokinase
C. Fatty Aceyl CoA
D. None of the above - Answer✔none
According to the book, a 16-carbon fatty acid such as palmitic acid can potentially yield as many
as?
A. 101 ATP
B. 135 ATP
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