40 points (apex)
which type of cell transport is used by mitochondria to generate energy by allowing hydrogen (h+) ions to flow through a membrane protein
a) endocytosis
b) facilitated diffusion
c) active transport
d) exocytosis

Which statement describes the punctuated equilibrium theory?

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?

Which of the following structures is a double layer of phospholipids with proteins? a: cytoplasm b: cell membrane c: ribosome d: cell wall