Multiple Choice
In which of the following tissues is glycogen typically stored?
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8. Respiration
Introduction to Cellular Respiration
Multiple Choice
Which of the following are the main reactants in the process of cellular respiration?
A
Oxygen and ATP (\(\mathrm{O_2}\) and ATP)
B
Glucose and oxygen (\(\mathrm{C_6H_{12}O_6}\) and \(\mathrm{O_2}\))
C
Glucose and carbon dioxide (\(\mathrm{C_6H_{12}O_6}\) and \(\mathrm{CO_2}\))
D
Carbon dioxide and water (\(\mathrm{CO_2}\) and \(\mathrm{H_2O}\))
Verified step by step guidance1
Step 1: Begin by understanding the process of cellular respiration. Cellular respiration is a metabolic pathway that converts glucose into energy (ATP) using oxygen. It occurs in three main stages: glycolysis, the citric acid cycle, and oxidative phosphorylation.
Step 2: Identify the main reactants involved in cellular respiration. Reactants are substances that are consumed during a chemical reaction. In cellular respiration, glucose (\(\mathrm{C_6H_{12}O_6}\)) and oxygen (\(\mathrm{O_2}\)) are the primary reactants.
Step 3: Recall the chemical equation for cellular respiration: \(\mathrm{C_6H_{12}O_6} + \mathrm{6O_2} \rightarrow \mathrm{6CO_2} + \mathrm{6H_2O} + \text{Energy (ATP)}\). This equation shows that glucose and oxygen are used to produce carbon dioxide, water, and energy.
Step 4: Analyze the options provided in the question. Oxygen and ATP are not reactants; ATP is a product of cellular respiration. Glucose and carbon dioxide cannot be reactants because carbon dioxide is a product. Carbon dioxide and water are also products, not reactants.
Step 5: Conclude that the correct answer is glucose (\(\mathrm{C_6H_{12}O_6}\)) and oxygen (\(\mathrm{O_2}\)), as these are the main reactants consumed during cellular respiration to produce energy.
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