Multiple Choice
Which statement correctly describes the difference between cellular respiration and photosynthesis?
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8. Respiration
Introduction to Cellular Respiration
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What are the reactants in the equation for cellular respiration?
A
Glucose and oxygen
B
ATP and oxygen
C
Glucose and carbon dioxide
D
Carbon dioxide and water
Verified step by step guidance1
Understand the process of cellular respiration, which is a series of metabolic reactions that convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products.
Identify the general chemical equation for cellular respiration: C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + ATP. This equation shows the transformation of glucose and oxygen into carbon dioxide, water, and energy in the form of ATP.
Recognize that the reactants are the substances that start a chemical reaction. In the equation for cellular respiration, the reactants are on the left side of the arrow.
From the equation, identify the reactants as glucose (C₆H₁₂O₆) and oxygen (O₂). These are the substances that are consumed during the process of cellular respiration.
Conclude that the correct answer to the question is 'Glucose and oxygen', as these are the reactants in the cellular respiration equation.
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