Multiple Choice
An electron carrier before it harvests energy from glucose molecules in a series of gradual steps is:
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3. Energy & Cell Processes
Redox Reactions
Multiple Choice
During the reaction C6H12O6 + 6 O2 → 6 CO2 + 6 H2O, which compound is reduced as a result of the reaction?
A
Glucose
B
Carbon dioxide
C
Water
D
Both glucose and carbon dioxide
E
Oxygen
Verified step by step guidance1
Understand the concept of reduction in a chemical reaction. Reduction involves the gain of electrons by a molecule, atom, or ion.
Identify the reactants and products in the given chemical equation: C6H12O6 + 6 O2 → 6 CO2 + 6 H2O.
Recognize that oxygen (O2) is a reactant in the equation. In the context of cellular respiration, oxygen is typically reduced.
Consider the role of oxygen in the reaction. Oxygen gains electrons during the process, which is characteristic of reduction.
Conclude that oxygen is the compound that is reduced in this reaction, as it gains electrons to form water (H2O).
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