Question 3 The fluid-mosaic model of the cell membrane suggests that the membrane is primarily composed of proteins and lipids. Which of the following is a function of proteins in the cell membrane?
Α
to allow substances to cross the plasma membrane via active transport
B
to provide a hydrophilic head so that water can enter the cell
С
to package and sort molecules to be sent in vesicles
D
to read messenger RNA to assemble amino acids

b ti isnfornopgnoernfrof

gold i'm pretty sure i might be wrong

sex cells are usually half's then they find another half and make a fertilize egg

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.