One primary function of the cell membrane is 1) regulating the flow of simple sugars into or out of the cell
2) synthesizing substances by breaking down cell organelles
3) storing carbohydrates, water, and starches for future use
4) digesting carbohydrates, fats, and protein

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.

Which skeletal system is represented by the shaded portion of the skeleton? spongy skeleton compact skeleton axial skeleton appendicular skeleton