Which of the following is true of an enzyme? (1 point) a. it catalyzes a series of reactions. b. it breaks down immediately following the reaction it catalyzes. c. it changes the amount of energy released at the end of a reaction. d. it binds a single set of substrates.

The table below shows the number of foot bones in some horse fossils.horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s

Which ocean is on the eastern coast of north and south america? arctic ocean indian ocean pacific ocean atlantic ocean

All phases of matter may have a fixed mass