In the space at the left, write true if the statement is true. If the statement is false, change the italicized term to make the statement true. Write this answer in the blank provided.
a
5. A solution in which the concentration of dissolved substances is lower than the
concentration inside a cell is hypertonic.
6. In passive transport, the movement of particles across a membrane requires energy.
7. Endocytosis is a process by which a cell membrane surrounds and takes in material from
the environment.
8. The passive transport of material across a membrane by means of transport proteins is
called activated diffusion.
9. A membrane that allows only some materials to pass through shows
selective permeability.