Carbohydrates are an important type of molecular compound
The answer is C as isotopes are elements with same proton but different number of neutrons
Punctuated equilibrium, it is rapid evolution with little change in between
The answer would be D. All of the above because A, B and C are also true.
A <em><u>substrate</u></em> will bind to the <em><u>active site</u></em> of an enzyme so that the chemical reaction can occur