In a chemical reaction in a living system, enzymes are used as catalysts. which of the following statements about enzymes is incorrect? a. enzymes increase the energy of activation necessary for a chemical reaction to go forward. b. enzymes enter reactions and can be reused. c. enzymes reduce the energy of activation necessary for a chemical reaction to go forward. d. enzymes are sometimes referred to as biological catalysts; however, not all biological catalysts are proteins. e. enzymes speed up chemical reactions in living systems.

What is the identity of the planets?

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups

Research question: why are the carrots that grew on the left side of the garden larger than the carrots that grew on the right side of the garden? which hypothesis is based on this research question? a comparison of people with gardens to people without gardens will show who is likely to live longer. b. carrots are thought to be good for your eyesight and should be eaten regularly. c. carrots that are provided lots of sunlight grow to a larger size than carrots grown in the shade. d. eating fresh vegetables every day is a healthy thing to do.