In the graph, which letter represents the activation energy of a reaction without an enzyme and why? A. Y; the activation energy is greater in an uncatalyzed reaction

B. X; the activation energy is reduced in a catalyzed reaction

C. X; the activation energy is greater in an uncatalyzed reaction

D. Y; the activation energy is reduced in an uncatalyzed reaction

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

In which of the following relationships is one organism always benefited while the other organism is always harmed

Which of the following types of reactions would decrease the entropy within a cell? a. dehydration reaction, b. hydrolysis, c. respiration, d. digestion, e. catabolism.