nd ??? ??? ??? The reaction A+B --> is an example of a synthesis reaction ??? ??? ??? Glucose and starch are examples of carbohydrates ??? ??? ??? The organic compounds that function in building tissues and acting as enzymes are the proteins ??? ??? ??? Shell 1 of an atom can hold a maximum of _ electrons 2 ??? ??? ??? Building block is the monosaccharide carbohydrates ??? ??? ??? DNA, RNA, and AT