Which of the following best describes what happens to an enzyme after it catalyzes a chemical reaction? its mass decreases since part of the molecule is used up. it is unchanged and can be used again for the same chemical reaction. it becomes chemically bonded to the products of the reaction. its shape changes, giving it different chemical and physical properties.

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.

What processes take place before the mature mrna exits the nucleus?

Explain the significance of meiosis in sexual reproduction