Which statement about enzymes is true?

a.) an enzyme functions to increase the rate of a chemical reaction
b.) enzymes are proteins that function as catalysts in nonliving things
c.) each enzyme can catalyze many different biochemical reactions
d.) enzymes and substrates fit together like a lock and key

The fish shown above is a tarpon. it is a fast-swimming and powerful open-water fish. its closest relatives, oddly, are burrow-dwelling conger eels that stay on the bottom. both eels and tarpon developed from snake-like larvae that float in the plankton during the first stages of life. once they mature, tarpon and eels are not found near one another in the ocean. the tarpon and the eel illustrate all of the following except

Where in the cell are ribosomes made?

About __ of the mass of the cell is water