In the first half of the citric acid cycle, is oxidized, yielding a pair of electrons that reduce a molecule of nad to nadh. succinate is oxidized to fumarate using as the electron acceptor. a 2-carbon group from enters the cycle. a second oxidation produces and 2 electrons. malate is oxidized, yielding a 4-carbon molecule of and two electrons.

Pyruvate, FAD, Acetyl CoA, Fumarate, Oxaloacetate

Explanation:

In the first half of the citric acid cycle pyruvate is oxidized,yielding a pair of electrons that reduce a molecule of NAD to NADH .Succinate is oxidized to fumarate using FAD as electron acceptor.A 2 carbon group from acetyl CoA enters the cycle.A second oxidation produces fumarate and 2 electrons.Malate is oxidized yielding a 4 carbon molecule of oxaloacetate and two electrons.

answer by yourhope:

how do models compare to real-world objects?

d. most models represent a real-world object in a simpler way.

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po-215 i got it right on the quiz