amide bonds

Hi, I am unsure how you would determine if a group is electron withdrawing or electron donating by the resonance forms. My confusion stems from the amide group...I thought from the resonance that the carbonyl group would be electron withdrawing (by getting a partial negative charge) and...

I am reviewing my TPR Demo Test results and can't seem to figure out this question even though it seems pretty straight-forward: Lipase works to hydrolyze which of the following functional groups? (a) Amide (b) Ester (c) Ether (d) Hemiacetal I originally thought the answer would be b -...