Cellular Respiration Quiz
Preview:
Which of the following statements is correct about an oxidation-reduction (or redox) reaction?
A. The molecule that is oxidized loses protons.
B. The molecule that is reduced loses electrons.
C. The molecule that is reduced gains electrons.
D. The molecule that is reduced gains electrons.
Where does cellular respiration take place in eukaryotic cells?
A. Mitochondria
B. Chloroplast
C. Rough ER
D. Cell Membrane
The oxygen consumed during cellular respiration is involved directly in which process or event?
A. accepting electrons at the end of the electron transport chain
B. citric acid cycle
C. glycolysis
D. oxidation of pyruvate to acetyl CoA
What is the term used for the metabolic pathway in which glucose (C6H12O6) is degraded to carbon dioxide (CO2) and water?
A. oxidative phosphorylation
B. cellular respiration
C. glycolysis
D. fermentation
How many carbons are in glucose?
A. 2
B. 4
C. 6
D. 8
What is the main job of the electron carriers in cellular respiration?
A. Transport electrons and hydrogen atoms to the electron transport chain
B. Capture energy throughout the process of cellular respiration
C. Provide the reactants for the process of cellular respiration
D. Pump positive hydrogen ions and shuttle electrons across the electron transport chain and contribute to chemiosmosis
During cellular respiration, acetyl CoA accumulates in which location?
A. mitochondrial matrix
B. mitochondrial inner membrane
C. mitochondrial intermembrane space
D. cytosol
When hydrogen ions are pumped from the mitochondrial matrix across the inner membrane and into the intermembrane space, the result is the
A. formation of ATP.
B. restoration of the Na+/K+ balance across the membrane.
C. reduction of NAD+.
D. creation of a proton gradient.
How many membranes does a mitochondria have?
A. 1
B. 2
C. 3
D. 4
What are the total outputs of glycolysis?
A. 4 ATP, 2 pyruvate, 2 NADH
B. 2 ATP, 2 pyruvate, 2 NADH
C. 2 ATP, 2 pyruvate, 1 NADH, 1 FADH2
D. 4 ATP, 1 pyruvate, 3 NADH
Where does glycolysis takes place?
A. cytosol
B. mitochondrial amtrix
C. mitochondrial inner membrane
D. mitochondrial intermembrane space
Where is the Electron Transport Chain in the cell?
A. Cytoplasm
B. Cell Membrane
C. Inner Mitochondrial Membrane
D. Mitochondrial Matrix
Pyruvate Oxidation creates a specific numbered carbon molecule at the end of it’s process. What is the number of carbons for this molecule?
A. 2
B. 3
C. 6
D. 1
In glycolysis, for each molecule of glucose oxidized to pyruvate
A. two molecules of ATP are used and two molecules of ATP are produced.
B. two molecules of ATP are used and four molecules of ATP are produced.
C. two molecules of ATP are used and six molecules of ATP are produced.
D. four molecules of ATP are used and two molecules of ATP are produced.
Does the mitochondria have its own DNA?
A. Yes!
B. No!