Which of the following would NOT increase the rate of a chemical reaction? Increasing the concentration of reactants

Increasing the activations energy barrier

Adding an enzyme

Increasing the temperature

Adding a catalyst

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

One of the reasons that stars are so large is because

What is the key to the recognition of codominance?