What happens to enzymes after they catalyze a reaction?

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen