Quiz: Enzyme Form A The square is a substance present at the beginning of a chemical reaction and the square is the substance produced in a chemical2. Which natural chemicals released during exercise improve mood? a) Endorphins b)Adrenaline c) Dopamine d) InsulinA bee collecting pollen from a flower to make honey, while also pollinating other plants, is an example of __ mutualism commensalism predation competition3. What type of organisms are responsible for returning carbon to the soil? a. Producers b. Decomposers c. Primary cons umers d. Secondary consumersCarbohydrates provide us with 4Cal/g A) True B) FalsePREV 148149150151152153154155156 NEXT
