Some regions of a polypeptide may coil or fold back on themselves. this is called and the coils or folds are held in place by

According to the loco mass the mass of reactants and products

Match the type of adaptation to the correct example, structural adaptation functional adaptation behavioral adaptation example type of adaptation elephants live in herds to protect their young leaves of a rain forest plant species have a pointed tip that enables rainwater to drain off easily. camels have nostrils that they can close snakes produce venom to kill prey and defend themselves. earthworms coil when touched, as part of a defense mechanism. human skin darkens with increased exposure to sunlight.

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above