smartbook - BIOL 203 - Exam 3 Correct 100%

Both are purines - ANSWER Which is true regarding adenine and guanine? Adenine is a purine and guanine is a pyrimidine Both are pyrimidines Adenine is a pyrimidine and guanine is a purine Both are purines Metabolism - ANSWER The combination of all reactions (catabolic + anabolic) within a cell is termed______ Enzymes - ANSWER ___ is a biological catalyst catalyst - ANSWER An enzyme acts as a ____ that alters the rate of a reaction without being changed by the reaction. activation - ANSWER The minimum amount of energy required for a reaction to proceed is termed the __ energy. both anabolic and catabolic - ANSWER The term "metabolism" includes which type(s) of cellular reactions? Multiple choice question. Neither catabolic nor anabolic Both anabolic and catabolic Anabolic only