What is the role of oxygen in aerobic respiration? (2019)

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Question: What is the role of oxygen in aerobic respiration? (2019)

Options:

Correct Answer: To act as an electron acceptor

Exam Year: 2019

Solution:

Oxygen acts as the final electron acceptor in the electron transport chain during aerobic respiration.

What is the role of oxygen in aerobic respiration? (2019)

What is the role of oxygen in aerobic respiration? (2019)

Step 1: Understand that aerobic respiration is a process that cells use to produce energy.
Step 2: Know that this process occurs in the presence of oxygen.
Step 3: Learn that during aerobic respiration, glucose is broken down to release energy.
Step 4: Recognize that electrons are transferred through a series of proteins in a part of the cell called the electron transport chain.
Step 5: Identify that oxygen is needed at the end of this chain.
Step 6: Understand that oxygen accepts the electrons after they have passed through the chain.
Step 7: Realize that when oxygen accepts these electrons, it helps to form water, which is a byproduct of the process.
Step 8: Conclude that without oxygen, the electron transport chain cannot function properly, and energy production is reduced.

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