The first, second, and fourth statements are correct.
Answer:
D, a gas produced durning photosynthesis (i think)
Explanation:
Just finished the final exam
The material or substance on which an enzyme acts upon is known as the substrate, they are nothing but reacting molecules and or substances that are able to ultimately be converted to product substances. By the aid of biological enzymes, that lower the energy of activation needed for a chemical reaction to proceed.
