Which statement about enzymes is NOT true? Each enzyme is specific because of its shape and catalyzes on certain reactions.
Enzymes are destroyed when they are used and must be made each time a reaction
takes place.
Enzymes form a temporary bond with a reactant.
Enzymes are composed of polypeptide chains.

stress fractures occur largely in the feet and legs and are common in sports that require repetitive impact, primarily running/jumping sports such as gymnastics or track and field.

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms

its temperature is increasing. this causes molecular vibrations to increase.