Q. What is the end product of complete fatty acid oxidation?
-
A.
Glucose
-
B.
Acetyl-CoA
-
C.
Fatty acids
-
D.
Carbon dioxide and water
Solution
The complete oxidation of fatty acids results in carbon dioxide and water, along with ATP production.
Correct Answer:
D
— Carbon dioxide and water
Learn More →
Q. What is the main energy currency of the cell?
-
A.
NADH
-
B.
FADH2
-
C.
ATP
-
D.
GTP
Solution
ATP (adenosine triphosphate) is the main energy currency of the cell, used for various cellular processes.
Correct Answer:
C
— ATP
Learn More →
Q. What is the primary site of ATP synthesis in eukaryotic cells?
-
A.
Cytoplasm
-
B.
Mitochondria
-
C.
Nucleus
-
D.
Endoplasmic Reticulum
Solution
ATP synthesis primarily occurs in the mitochondria through oxidative phosphorylation.
Correct Answer:
B
— Mitochondria
Learn More →
Q. What is the role of coenzyme A in fatty acid oxidation?
-
A.
Electron carrier
-
B.
Acyl group carrier
-
C.
Energy donor
-
D.
Regulator of metabolism
Solution
Coenzyme A acts as an acyl group carrier, facilitating the transport of fatty acids into the mitochondria for oxidation.
Correct Answer:
B
— Acyl group carrier
Learn More →
Q. What is the role of the electron transport chain in ATP synthesis?
-
A.
Substrate-level phosphorylation
-
B.
Oxidative phosphorylation
-
C.
Fermentation
-
D.
Glycolysis
Solution
The electron transport chain is responsible for oxidative phosphorylation, which generates ATP using the energy from electrons.
Correct Answer:
B
— Oxidative phosphorylation
Learn More →
Q. Which enzyme initiates the process of fatty acid oxidation?
-
A.
Acetyl-CoA carboxylase
-
B.
Carnitine acyltransferase
-
C.
Fatty acyl-CoA synthetase
-
D.
Beta-hydroxyacyl-CoA dehydrogenase
Solution
Fatty acyl-CoA synthetase initiates fatty acid oxidation by converting fatty acids into fatty acyl-CoA.
Correct Answer:
C
— Fatty acyl-CoA synthetase
Learn More →
Q. Which molecule is a key regulator of fatty acid oxidation?
-
A.
Insulin
-
B.
Glucagon
-
C.
Citrate
-
D.
Acetyl-CoA
Solution
Glucagon is a key regulator that promotes fatty acid oxidation during fasting by activating lipolysis.
Correct Answer:
B
— Glucagon
Learn More →
Q. Which molecule is produced as a byproduct of fatty acid oxidation?
-
A.
Lactate
-
B.
Acetyl-CoA
-
C.
Glucose
-
D.
Glycerol
Solution
Acetyl-CoA is produced as a byproduct of fatty acid oxidation and can enter the citric acid cycle.
Correct Answer:
B
— Acetyl-CoA
Learn More →
Q. Which pathway is activated during prolonged fasting to provide energy?
-
A.
Glycolysis
-
B.
Fatty acid oxidation
-
C.
Gluconeogenesis
-
D.
Pentose phosphate pathway
Solution
During prolonged fasting, fatty acid oxidation is activated to provide energy from stored fat.
Correct Answer:
B
— Fatty acid oxidation
Learn More →
Q. Which process directly produces ATP during fatty acid oxidation?
-
A.
Beta-oxidation
-
B.
Glycolysis
-
C.
Citric Acid Cycle
-
D.
Electron Transport Chain
Solution
Beta-oxidation is the process that breaks down fatty acids to produce acetyl-CoA, which enters the citric acid cycle for ATP production.
Correct Answer:
A
— Beta-oxidation
Learn More →
Showing 1 to 10 of 10 (1 Pages)