#1
Which organelle is responsible for cellular respiration?
Mitochondrion
ExplanationMitochondrion is the powerhouse of the cell where cellular respiration occurs.
#2
What is the primary purpose of cellular respiration in living organisms?
Energy production
ExplanationCellular respiration generates ATP for energy production in living organisms.
#3
During anaerobic respiration, what is the final electron acceptor in the absence of oxygen?
Lactic acid
ExplanationIn anaerobic respiration, lactic acid is commonly the final electron acceptor in the absence of oxygen.
#4
What is the main purpose of the Electron Transport Chain in cellular respiration?
Generate ATP
ExplanationThe Electron Transport Chain generates ATP during cellular respiration.
#5
During anaerobic respiration, which compound is commonly produced in the absence of oxygen?
Lactic acid
ExplanationIn the absence of oxygen, lactic acid is commonly produced during anaerobic respiration.
#6
What is the overall chemical equation for aerobic cellular respiration?
C6H12O6 + O2 → CO2 + H2O + ATP
ExplanationGlucose and oxygen are converted into carbon dioxide, water, and ATP during cellular respiration.
#7
During which stage of cellular respiration is carbon dioxide produced?
Citric Acid Cycle
ExplanationCarbon dioxide is released as a byproduct in the Citric Acid Cycle of cellular respiration.
#8
In which part of the cell does glycolysis occur?
Cytosol
ExplanationGlycolysis occurs in the cytosol of the cell.
#9
What is the final electron acceptor in the Electron Transport Chain?
Oxygen
ExplanationOxygen serves as the final electron acceptor in the Electron Transport Chain.
#10
Which stage of cellular respiration produces the majority of ATP?
Electron Transport Chain
ExplanationThe Electron Transport Chain is where the majority of ATP is produced in cellular respiration.
#11
What is the net gain of ATP molecules in glycolysis?
2
ExplanationGlycolysis yields a net gain of 2 ATP molecules.
#12
Which electron carrier is directly involved in the Electron Transport Chain of cellular respiration?
NADH
ExplanationNADH delivers electrons to the Electron Transport Chain.
#13
How many carbon atoms are in one molecule of pyruvate?
4
ExplanationPyruvate consists of three carbon atoms.
#14
What is the role of oxygen in aerobic cellular respiration?
It serves as a final electron acceptor
ExplanationOxygen acts as the final electron acceptor in aerobic cellular respiration.
#15
Which molecule carries electrons from the Citric Acid Cycle to the Electron Transport Chain?
NADH
ExplanationNADH carries electrons from the Citric Acid Cycle to the Electron Transport Chain.