Multiple Choice
If a cell's supply of oxygen is significantly reduced, what would happen to the cell's rate of glucose utilization during cellular respiration?
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8. Respiration
Introduction to Cellular Respiration
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Which pathway in cellular respiration generates the most ATP?
A
Citric Acid Cycle
B
Electron Transport Chain
C
Glycolysis
D
Fermentation
Verified step by step guidance1
Understand that cellular respiration is a multi-step process that cells use to convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products.
Identify the main stages of cellular respiration: Glycolysis, Citric Acid Cycle (also known as the Krebs Cycle), and the Electron Transport Chain (ETC).
Recognize that Glycolysis occurs in the cytoplasm and produces a small amount of ATP through substrate-level phosphorylation.
Note that the Citric Acid Cycle takes place in the mitochondria and also generates a small amount of ATP, along with high-energy electron carriers NADH and FADH2.
Understand that the Electron Transport Chain, located in the inner mitochondrial membrane, uses the electrons from NADH and FADH2 to create a proton gradient that drives the synthesis of a large amount of ATP through oxidative phosphorylation.
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