Enalapril is inactive until acted upon by an esterase. Draw the structure of the resulting bioactive derivative.

a) Write the catalytic mechanistic steps used in the urea cycle. If transamination is required, showonly the net reaction of this step.b) Where do the 2 nitrogen atoms and the 1 carbon atom that make the final product come from?

Why is triose phosphate isomerase considered to be catalytically perfect?

Is the following statement correct or incorrect? It is only possible to employ enzymes that are present naturally in yeast or bacteria for biocatalysis.