What are the enzymes that catalyze anaplerotic reactions that provide the necessary amounts of oxaloacetate?

Question

a. isolate lyases

b. pyruvate decarboxylase, PEP carboxylase

c. Asp aminotransferase

d. PEP carboxykinase, PEP carboxylase, pyruvate carboxylase

e. PEP carboxykinase, PEP decarboxylase, pyruvate kinase

Answer 1

PEP carboxykinase, PEP carboxylase, and pyruvate carboxylase are anaplerotic enzymes for replenishing intermediates of the TCA cycle.