Collagen, a protein found in tendons and cartilage, would be classified as a protein. catalytic structural transport storage hormone

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

Which conditions need to be in balance for cells to function? check all that apply. blood sugar food intake body water body temperature body mass

Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d