Multiple Choice
What is the primary purpose of cellular respiration in eukaryotic cells?
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8. Respiration
Introduction to Cellular Respiration
Multiple Choice
Which of the following is NOT produced during the process of cellular respiration?
A
Water (\(\mathrm{H_2O}\))
B
Adenosine triphosphate (ATP)
C
Carbon dioxide (\(\mathrm{CO_2}\))
D
Glucose (\(\mathrm{C_6H_{12}O_6}\))
Verified step by step guidance1
Step 1: Begin by understanding the process of cellular respiration. Cellular respiration is a metabolic pathway that converts glucose (\(\mathrm{C_6H_{12}O_6}\)) into energy in the form of ATP, with byproducts such as water (\(\mathrm{H_2O}\)) and carbon dioxide (\(\mathrm{CO_2}\)).
Step 2: Recall the main stages of cellular respiration: glycolysis, the citric acid cycle (Krebs cycle), and oxidative phosphorylation. Glucose (\(\mathrm{C_6H_{12}O_6}\)) is consumed during glycolysis, not produced.
Step 3: Identify the products of cellular respiration. The process generates ATP as the primary energy molecule, water (\(\mathrm{H_2O}\)) as a result of oxygen reduction, and carbon dioxide (\(\mathrm{CO_2}\)) as a waste product from the breakdown of glucose.
Step 4: Compare the options provided in the question. Water (\(\mathrm{H_2O}\)), ATP, and carbon dioxide (\(\mathrm{CO_2}\)) are all products of cellular respiration, while glucose (\(\mathrm{C_6H_{12}O_6}\)) is a reactant consumed during the process.
Step 5: Conclude that glucose (\(\mathrm{C_6H_{12}O_6}\)) is NOT produced during cellular respiration, making it the correct answer to the question.
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