Question

do now 10/6
match the stage of cellular respiration with its description:
a glycolysis
b krebs cycle (citric acid cycle)
c electron transport chain

1. ________ this stage happens in the cytoplasm and splits glucose into two molecules of pyruvate.
2. ________ this stage takes place in the mitochondria and produces co₂ and electron - carriers (nadh, fadh₂).
3. ________ this stage produces the most atp by using oxygen and releasing water.

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Explanation:

Step1: Recall glycolysis

Glycolysis occurs in the cytoplasm and splits glucose into two pyruvate molecules. So, the description "This stage happens in the cytoplasm and splits glucose into two molecules of pyruvate" matches A. Glycolysis.

Step2: Recall Krebs cycle

The Krebs Cycle (Citric Acid Cycle) takes place in the mitochondria and produces CO₂ and electron - carriers (NADH, FADH₂). So, the description "This stage takes place in the mitochondria and produces CO₂ and electron carriers (NADH, FADH₂)" matches B. Krebs Cycle (Citric Acid Cycle).

Step3: Recall electron transport chain

The Electron Transport Chain produces the most ATP by using oxygen and releasing water. So, the description "This stage produces the most ATP by using oxygen and releasing water" matches C. Electron Transport Chain.

Answer:

1. A. Glycolysis
2. B. Krebs Cycle (Citric Acid Cycle)
3. C. Electron Transport Chain