25. Todos los procesos de degradación química en las células involucran directamente A. reacciones controladas por catalizadores
B. enzimas que se almacenan en las mitocondrias
C. la producción de catalizadores en las vacuolas
D. enzimas que tienen la misma secuencia de bases genética

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels

(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.

Which u.s. state lists the horned toad as its state reptile?