9 Questions
What molecule carries two or three times as much energy as ATP?
NADH
Which coenzyme is reduced by two electrons and two protons?
FAD
What is the oxidized form of nicotinamide adenine dinucleotide?
NAD+
What is the reduced form of flavin adenine dinucleotide?
FADH2
In lipid catabolism, why might more electron accepting energy carriers be needed compared to glucose catabolism?
Lipids are more reduced than glucose.
Why do different kinds of reactions use different energy carriers according to the text?
To accommodate variations in redox levels.
What is the overall reduction reaction for NAD+ to NADH?
$NAD+ + 2H+ + 2e^- → NADH + H^+$
What type of reaction would likely need FAD as an energy carrier instead of NADH?
Oxidation reactions
Which molecule can transfer electrons and carry energy but is not as common as NADH?
FAD
Test your knowledge on how microbes utilize diverse energy sources for survival. Learn about different energy sources such as light absorption, chemical reactions, and electron donation from inorganic and organic molecules.
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