A skin cell divides to make a new skin cell. Which component of cell theory does this best illustrate? All living things are made of cells.
Cells are the basic unit of structure and function of all living things.
All cells come from other cells.
Cells are generated from nonliving materials.

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.

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

Approximately what wavelength of light is best absorbed by chlorophyll a