* 1. The_regulates what goes in and out of the cell.
cytoplasm
ribosomes
cell membrane
nucleus

What is a cordon and where is it found

Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.

3. in the fruit fly, recessive mutation brown, b, causes brown color of the eye and absence of red pigment. recessive mutation p of another independent gene causes purple color of the eye and absence of brown pigment. the cross of a brown-eyed female and purple-eyed male produced wild type eyes. what will be the colors and their ratio in f2?