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Multiple Choice
Which of the following is a reactant of cellular respiration?
A
Carbon dioxide ($CO_2$)
B
Glucose ($C_6H_{12}O_6$)
C
Water ($H_2O$)
D
ATP
Verified step by step guidance
1
Step 1: Begin by recalling the overall chemical equation for cellular respiration. Cellular respiration is the process by which cells convert glucose and oxygen into energy (ATP), carbon dioxide, and water. The general equation is: .
Step 2: Identify the reactants in the equation. Reactants are the substances that are consumed during the reaction. In cellular respiration, the reactants are glucose () and oxygen ().
Step 3: Examine the options provided in the problem. Carbon dioxide () and water () are products of cellular respiration, not reactants. ATP is also a product of the process.
Step 4: Recognize that glucose () is a reactant in cellular respiration. It is the molecule that is broken down to release energy.
Step 5: Conclude that the correct answer to the question is glucose (), as it is one of the primary reactants in the process of cellular respiration.