5 Questions
What happens to glucose during cellular respiration?
It is broken down in a series of steps, with electrons stripped at key points.
Why are hydrogen atoms usually passed first to an electron carrier like NAD+?
To facilitate their transfer to O2 for energy production.
What role does NAD+ play in cellular respiration?
It functions as an oxidizing agent and cycles between its oxidized and reduced forms.
What do enzymes called dehydrogenases do during cellular respiration?
They remove a pair of hydrogen atoms from the substrate, thereby oxidizing it.
Why is it inefficient for energy from a fuel to be released all at once?
It cannot be harnessed efficiently for constructive work.
Test your knowledge of the electron transport chain and cellular respiration with this quiz. Learn about the process of breaking down glucose in a series of steps and the role of oxidation reactions in energy release.
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