Exam 18: Preparation for the Cycle

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -________________ is caused by a deficiency in vitamin B1.

Use the following to answer questions 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?

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

How are the three active sites of PDH linked?

__________________ is the PDH subunit responsible for the regeneration of the oxidized form of lipoamide.

A deficiency in the vitamin thiamine causes the disease ____________.

Decarboxylation, oxidation, and __________________ are the three steps critical to preserve the free energy derived from decarboxylation of the PDH complex.

PDH is inactivated when it the enzyme is __________________.

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

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

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

Use the following to answer questions 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.

The citric acid cycle is also known as the:

Use the following to answer questions 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.

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

Milling and polishing rice results in:

Review the fates of pyruvate and the cellular conditions that dictate these fates.

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

Acetyl CoA is:

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