In a lipid bilayer, lipids rapidly diffuse: a. back and forth from one monolayer to the other in the bilayer. b. both within the plane of one monolayer and back and forth between the monolayers. c. in and out of the bilayer. d. none of the above: lipids remain in place within the bilayere. within the plane of their own monolayer.

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

What pattern of migration do whales follow?

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one