Name two methods scientists use to obtain empirical evidence

Which of the following is the molecular formula for a simple sugar? a. cooh b. h2o c. oh d. c6h12o6

The molar mass of cu is 63.55 g/mol. the number of grams of cu produced in this reaction is

Which of the following characteristics are true of enzymes? check all that apply. a.)the structure of an enzyme can change if conditions change. b.)a single enzyme can normally catalyze a wide variety of reactions under many conditions. c.)enzymes are found only in nonliving systems. d.)enzymes allow living things to regulate body conditions through feedback mechanisms. e.)enzymes bind to specific substrates in specific ways. f.)enzymes increase the rate of reaction. g.)when shown in energy-reaction diagrams, enzymes represent the higher activation energy.