Which of the following best describes the role of an enzyme in living organisms? O A. Enzymes raise the activation energy required to start a reaction
В.
A. Enzymes work as catalysts to speed up the rate of a reaction.
OC
A. Enzymes always break down substrates into monomers,
O D. Enzymes are broken down into products during a reaction.

Closing a ring restricts the rotation around individual car bon carbon bonds hope it will you !

Mars and earth have quite a few things in common. both are  terrestrial planets, both are located within the sun’s  habitable zone, both have  polar ice caps, similarly  tilted axes, and similar  variations in temperature. and according to some of the latest scientific data obtained by rovers and atmospheric probes, it is now known that mars once had a  dense atmosphere  and was covered with  warm, flowing water.