Exam 18: Preparation for the Cycle

Choose the correct answer from the list below. Not all of the answers will be used. -________________: The type of enzyme regulation process that inhibits the PDH complex.

PDH phosphatase deficiency results in which condition?

Acetyl CoA is:

What reaction serves to link glycolysis and the citric acid cycle?

Milling and polishing rice results in:

__________________ provides a flexible linkage for substrate to move between active sites on the PDH.

In addition to PDH, what other enzymes are key regulatory sites in the citric acid cycle?

Choose the correct answer from the list below. Not all of the answers will be used. -Where does the citric acid cycle take place in the cell?

Identify the coenzyme, and its vitamin precursor, that accepts electrons to reoxidize lipoamide in PDH.

Beriberi symptoms are similar to those of which disease?

If NADH levels are high, what is the fate of acetyl CoA?

What is the key means of regulation of PDH?

Choose the correct answer from the list below. Not all of the answers will be used. -________________: Pyruvate is decarboxylated at this active site in PDH.

What are the steps involved (in order) in the conversion of pyruvate to acetyl CoA?

The formation of acetyl CoA limits the cell's use of it to which two fates?

What coenzyme is required for the decarboxylation reaction in PDH and what is the vitamin precursor?

Identify the coenzyme, and its vitamin precursor, that is responsible for the transfer of a two-carbon group to coenzyme A, where it forms ahigh-energy thioester bond.

Which of the following functions as a "flexible swinging arm" when it transfers the reaction intermediate from one active site to the next?

How does the term "mad as a hatter" realistically reflect the condition?

How are the three active sites of PDH linked?