A protein kinase can: a. phosphorylate an enzyme and activate it by decreasing the number of enzyme inhibitors.
b. increasing the number of enzyme molecules.
c. changing the shape of the enzyme to expose an active site.
d. increasing transcription of the enzyme.
e. changing the enzyme's function.

Vegetation that grows along the floors of tropical and temperate forests is called undergrowth. how is the undergrowth of a tropical rain forest most likely to differ from the undergrowth of a temperate forest? a. a tropical rain forest's undergrowth most likely experiences periods of dormancy during colder weather. b. a tropical rain forest's undergrowth most likely experiences periods of dormancy during rainy weather. c. the undergrowth of a tropical rain forest most likely requires less sunlight. d. the undergrowth of a tropical rain forest most likely requires more sunlight.

Name the types of burns one can get and which structures of the integument are damaged

Select three sports that require participants to be highly fit before the beginning a: snowboarding b: skydiving c: rock climbing d: bungee jumping e: free diving f: hiking