Which of the following are examples of facilitated diffusion?

(select all that apply)

a. a chloride ion moves across the plasma membrane from a higher to lower concentration inside the cell.

b. a protein binds to glucose to transport it across the plasma membrane.

c. a water molecule moves across the plasma membrane.

d. channel proteins change shape to allow transport of smaller molecules across the plasma membrane.

Which gas found in the earth's atmosphere greatly impacts the daily range of temperature on earth. a) oxygen b) hydrogen c) nitrogen d) water vapor

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .

3test questions with answers on incomplete dominance