Light-skinned people generally have a greater proportion of which pigment in their skin? Keratin

Pheomelanin

Eumelanin

Carotene

Which of the following is a difference between active transport and facilitated diffusion? view available hint(s)which of the following is a difference between active transport and facilitated diffusion? facilitated diffusion can move solutes against a concentration gradient, and active transport cannot.active transport involves transport proteins, and facilitated diffusion does not.facilitated diffusion involves transport proteins, and active transport does not.active transport requires the expenditure of cellular energy, and facilitated diffusion does not.

If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet