Please help me with my biology hw-
1.) The basic unit from which cell membranes are constructed is
a- cell walls
b-free moving proteins
c- phospholipid layer
2.) Four glucose molecules are found in a cell and ten are found outside the cell. At equilibrium, how many glucose molecules would be found in a cell, assuming the glucose molecules can cross the cell membrane?
a- 4
b- 7
c- 10
3.) The movement of water in or out of a cell is called:
a- diffusion
b- osmosis
c- facilitated diffusion
4.) If a red blood cell is placed in pure, fresh water, the cell will:
a- stay the same
b- burst
c- become darker
5.) Which of the following would occur if a cell with 1% dissolved salt solutes is placed in a 10% salt solution?
a- the cell would swell
b- water would leave the cell
c- the cell would burst
