Multiple Choice
Which of the following reactions is a redox reaction?
6. Chemical Quantities & Aqueous Reactions
Redox Reactions
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Which of the following statements is not true of most cellular redox reactions?
A
They involve the transfer of electrons between molecules.
B
They can involve the oxidation of organic molecules.
C
They always require the presence of oxygen.
D
They often release energy that can be used by the cell.
Verified step by step guidance1
Identify the key concept: Cellular redox reactions involve the transfer of electrons between molecules, which can lead to oxidation and reduction processes.
Understand the role of oxygen: While oxygen is a common electron acceptor in many redox reactions, it is not always required for a redox reaction to occur.
Consider the energy aspect: Redox reactions often release energy, which cells can harness for various biological processes.
Evaluate each statement: Determine which statement does not align with the general characteristics of cellular redox reactions.
Conclude that the statement 'They always require the presence of oxygen' is not true, as redox reactions can occur without oxygen, such as in anaerobic conditions.
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