Exam 22: Fatty Acid Metabolism

Which of the following activates fatty acid synthesis?

The levels of which metabolite determine whether acetyl-CoA, made from fatty acids, can enter the citric acid cycle?

Acetyl-CoA carboxylase is inactivated when the energy charge of the cell is___________ (high, low).

What is the role of the acyl carrier protein in fatty acid synthesis?

What tissue is the primary storage site for triacylglycerols in animals?

Briefly outline the steps in fatty acid degradation.

Fatty acids are the building blocks of

What pathological conditions can arise from a large increase in blood levels of ketone bodies in diabetics?

The committed step of fatty acid synthesis is the formation of ________________.

The $\beta$ oxidation of myristyl-CoA (C-14:0) yields

What are four physiological roles for fatty acids?

Describe the three stages required for other tissues (for example muscle cells) to utilize the energy stored in adipocytes.

Explain why animals are unable to convert fatty acids to glucose.

Enzymes that digest the triacylglycerols into free fatty acids and monoacylglycerol are called

Calculate the amount of ATP generated from the total oxidation of an unactivated fatty acid with an acyl chain of 16 carbons.

What organs or tissues prefer to use ketone bodies such as acetoacetate as a fuel energy source instead of glucose?

In odd-numbered fatty acid chains, how is the final 3-carbon piece, propionyl CoA, utilized? What unusual coenzyme is necessary for this process?

What are the similarities between fatty acid synthesis and degradation?

What molecule is required for the movement of long-chain fatty acyl groups from the cytosol into the mitochondrial matrix?

Acetoacetate and ________________ are referred to as ketone bodies and are major fuel sources for heart muscle.