Enzymes are protein molecules which serve as catalysts for chemical reactions. A catalyst is a substance which will decrease the activation energy for a reaction. ... Enzymes will make reactions occur much more easily, quickly and more efficiently than they ever would without the enzyme.
Answer:
The fossil theory and the distribution of species
Explanation:
Answer:
i would say the gravitational pull of the sun, it could also be the x-axis.
When the body is stressed, muscles tense up. Muscle tension is almost a reflex reaction to stress — the body's way of guarding against injury and pain. With sudden onset stress, the muscles tense up all at once, and then release their tension when the stress passes.
Answer is in the file below
tinyurl.com/wpazsebu
