Cell Transport
Which of the following statements best describes the fluid mosaic model of the plasma membrane?
A lipid bilayer with protein molecules dispersed in it.
When Streptococcus pneumoniae are exposed to an antibiotic, the bacteria try to pump the antibiotic out of their cells. Which of the following mechanisms is most likely used by the Streptococcus pneumoniae to pump the antibiotic out of their cells?
Active Transport
A student adds an unknown solution to a slide containing an animal cell. The student observes a decrease in the volume of the cell. This unknown solution is
Hypertonic
The processes of diffusion and active transport in cells are both used to
Move molecules into or out of cells of the body
Which of the following statements best describes Osmosis?
Water molecules moving from high to low concentration
