Problem:
Question 1: Which enzyme converts phosphoenolpyruvate to pyruvate?
Question 2: Which of these is not a key regulatory step in glycolysis?
a.) hexokinase
b.) phosphofructokinase
c.) pyruvate kinase
d.) glyceraldehyde-3-phosphate dehydrogenase
e.) none of the above
Could someone help to explain the answer of these questions.