The way a cell releases hormones or wastes from itself is called

a
phagocytosis
b
exocytosis
c
pinocytosis
d
endocytosis

How does friction with the atmosphere affect the speed of an artificial satellite

With regard to enzymes, key is to lock as a) substrate is to activation energy eliminate b) product is to substrate. c) enzyme is to active site. d) substrate is to active site.

Where is having brightly colored feathers that attract mates most clearly an adaptation for a bird? a. a forest with dense vegetation b. a sandy beach beside an ocean c. a snowy tundra with little vegetation d. a swamp with many hawks that eat birds