Which of the following is a type of
carbohydrate with five carbon atoms,
and is a key component of
ribonucleotides in ribose nucleic acid
(RNA)?
A) Triose B) Tetrose C) Pentose D)
Hexose
Pentose
Which of the following is an incorrect function of carbohydrates in biological
systems? A) Serving as a structural component for
plant cells
B) Acting as the primary
energy source for cells
C) Forming the backbone of nucleic acids
D) Functioning as a protective layer for
animal cells
D) Functioning as a protective layer for
animal cells
Which carbohydrate molecule functions
as an energy storage molecule (glucose
storage form) in animals and structurally
resembles amylopectin with branches? A) Starch B) Cellulose C) Glycogen D)
Chitin
Glycogen
Which of the following is NOT considered
amphipathic?
A) Cholesterol
B) Phospholipids
C) Triglycerols
D) Glycolipids
Triglycerols
Which configuration of double bonds in
unsaturated fatty acids results in a bend
in the chain, with the two parts
(Hydrogens) on the same side?
A) Cis Configuration
B) Trans Configuration
C) Saturated Configuration
D) Monounsaturated Configuration
Cis Configuration
Which of the following compounds does
not have high phosphoryl-transfer
potential and is not considered one of
the main energy-related compounds?
A) ATP B) ADP C) Phosphocreatine D)
AMP
AMP
Which enzyme plays a critical role in the
transfer of phosphate groups between
creatine and ATP?
A) ATP Synthase
B) Pyruvate Dehydrogenase
C) Creatine Kinase
D) Phosphofructokinase
Creatine Kinase
When we engage in high-intensity
exercise, what specific changes are
observed in muscle tissue
concentrations?
A) Pi levels decrease
B) Phosphocreatine levels decrease
C) pH increase
D) ATP levels increase
Phosphocreatine levels decrease
What is the primary role of AMP
deamination in the context of ATP
regulation during exercise?
A) It decreases ATP production,
conserving energy.
B) It has no impact on ATP levels during
exercise.
C) It helps maintain ATP levels during
intense activity by increasing ATP
production.
It helps maintain ATP levels during intense activity by increasing ATP production.
What is the primary role of radicals like
superoxide in the body?
A) To prevent cellular damage and aging
B) To play a role in both causing cellular
damage and contributing to the body’s
defense mechanisms
C) To transfer a pair of electrons to
produce ATP
D) To synthesize DNA, proteins, and
lipids
B) To play a role in both causing cellular damage and contributing to the body’s defense mechanisms
Which process is related to the following
terms: ATP, UTP, Glycogenin, Glycogen
synthase, and Branching enzyme?
A) Glycolysis B) Gluconeogenesis C)
Glycogenolysis D) Glycogenesis
Glycogenesis
Which of the following factors does NOT
contribute to the acceleration of
glycogenolysis during exercise?
A) Increase in epinephrine
B) Increase in calcium ion
C) Decrease in Pi (inorganic phosphate)
D) Increase in AMP (adenosine
monophosphate)
Decrease in Pi (inorganic phosphate)
What is the difference in ATP yield between anaerobic glycolysis and aerobic glycolysis?
A) Anaerobic glycolysis yields 30 ATP,
while aerobic glycolysis yields 2 ATP.
B) Anaerobic glycolysis yields 2 ATP,
while aerobic glycolysis yields 30 ATP.
C) Both anaerobic and aerobic glycolysis
yield the same amount of ATP, which is
15 ATP.
D) There is no difference in ATP yield
between anaerobic and aerobic
glycolysis.
Anaerobic glycolysis yields 2 ATP,
while aerobic glycolysis yields 30 ATP.
Which of the following steps in both
glycolysis and gluconeogenesis involves
an irreversible reaction?
A) Step 2 B) Step 5 C) Step 7 D) Step 10
Step 10
In endurance exercise training, what is
the primary target when considering the
lactate threshold?
A) Exercising above the lactate threshold
B) Exercising at the lactate threshold
C) Exercising below the lactate threshold
Exercising below the lactate threshold
After lipolysis, where does glycerol
primarily go for further processing?
A) Adipose tissue
B) Skeletal muscles
C) Liver
D) Lung
Liver
During the process of fatty acid
oxidation, what is the primary product
that is generated for further energy
production?
A) Glycerol B) Pyruvate C) Acetyl CoA D)
Lactate
Acetyl CoA
How many rounds of beta oxidation are
required to fully degrade one molecule of
palmitate (C16CoA)?
A) 3 B) 5 C) 7 D) 9
7
Among the following lipoproteins, which
is the lightest in terms of density?
A) VLDL, B) LDL, C) HDL D) Chylomicron
Chylomicron
During ketolysis, how are ketone bodies
primarily broken down in extrahepatic
(outside the liver) tissues?
A) Into glucose molecules
B) Into fatty acids
C) Into two acetyl CoA molecules
D) Into amino acids
Into two acetyl CoA molecule
