In step 4 of the citric acid cycle, the reduction of NAD+ to NADH is coupled to the generation of CO2 and the formation of a high-energy thioester bond. The energy of the thioester bond is harnessed in step 5. What is the energy used for?

(a) to generate a molecule of GTP
(b) to generate a molecule of ATP
(c) to generate a proton gradient
(d) to generate a molecule of NADH


(a)

Biology & Microbiology

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In the periodic table, the value that refers to the number of protons and neutrons is:

A. atomic mass. B. molecular molarity. C. atomic molarity. D. molecular number.

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Which of the following statements is false about the

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Messenger RNA is formed by _____ of a gene on the DNA template strand.

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Biology & Microbiology