Question 45

(Multiple Choice)

Each of the following was used to elucidate the TCA cycle EXCEPT


A) using radiolabeled acetate to determine which carbons were oxidized to CO2 .
B) the use of crude enzyme preparations from a variety of sources such as cucumber seeds and beef liver.
C) adding a variety of short-chain fatty acids commonly found in cells to detect activity.
D) the use of C14-labeled carbon compounds as a source of carbon under anoxic conditions.
E) using C13 to determine which intermediates are enriched under various growth conditions.

Answer