BIO024 - SAS 7 QUIZ
Question 1
What organelle is primarily responsible for energy production in eukaryotic cells?
Golgi Apparatus
Ribosome
Mitochondrion
Lysosome
Question 2
What molecule combines with oxaloacetate to begin the Krebs cycle?
Pyruvate
Acetyl-CoA
Citrate
NADH
Question 3
Which of the following is an anabolic process?
Hydrolysis of triacylglycerol
Formation of nucleic acids
Breakdown of glucose
Oxidation of pyruvate
Question 4
Which enzyme catalyzes the formation of citrate in the Krebs cycle?
Succinate dehydrogenase
Citrate synthase
Malate dehydrogenase
Isocitrate dehydrogenase
Question 5
Which molecule is reduced during the conversion of succinate to fumarate?
NADâș
FAD
ATP
CoA
Question 6
A defect in Complex I of the ETC would most directly impair which process?
Glycolysis
ATP synthesis
Citrate formation
Fatty acid oxidation
Question 7
What is the final electron acceptor in the ETC?
NADâș
FAD
Oxygen
Water
Question 8
Which complex in the ETC receives electrons from FADHâ?
Complex I
Complex II
Complex III
Complex IV
Question 9
What molecule carries electrons from Complex III to Complex IV?
Ubiquinone
Cytochrome C
NADH
FADHâ
Question 10
What is the role of NADâș in metabolism?
Transfers phosphate groups
Stores genetic information
Transfers electrons in redox reactions
Synthesizes proteins
Question 11
Which of the following is a catabolic process?
Protein synthesis
DNA replication
Hydrolysis of polysaccharides
Formation of triacylglycerol
Question 12
Why is the inner mitochondrial membrane more protein-rich than the outer membrane?
It stores DNA
It facilitates passive diffusion
It houses enzymes for ATP synthesis
It supports ribosome attachment
Question 13
Which part of the mitochondrion is highly folded to increase surface area for ATP production?
Outer membrane
Matrix
Cristae
Intermembrane space
Question 14
What is the main function of the Golgi apparatus?
Protein synthesis
Energy production
Packaging and modifying proteins
DNA replication
Question 15
How does the electron transport chain contribute to ATP synthesis?
By directly phosphorylating ADP
By creating a proton gradient across the inner membrane
By oxidizing glucose
By breaking down fatty acids