Cell Transport 2

Facilitated diffusion is ___________

• active

• passive

• both

• neither

What is it called when molecules move across the cell membrane from an area of high concentration to an area of low concentration through a carrier protein?

• active transport

• osmosis

• facilitated diffusion

• diffusion

The picture represents what type of cell transport?

• exocytosis

• osmosis

• diffusion

• endocytosis

Osmosis is the movement of _____ across a membrane

• glucose

• oxygen

• water

• food

This cell organelle helps organisms maintain homeostasis by controlling what substances may enter or leave cells.

• plasma membrane

• ribosomes

• cell wall

• nucleus

The cell below is in a _______________solution.

• isotonic

• hypertonic

• hypotonic

This picture shows a _____________solution.

• hypotonic

• isotonic

• hypertonic

A cell in an isotonic solution will...

• shrink

• stay the same

• swell

• impossible to tell

When a cell is placed in a hypertonic solution water it will....

• moves equally in and out of the cell

• none of these

• moves from the inside of the cell to the solution

• moves from the solution to the inside of the cell

A cell will __________________ in a hypotonic solution.

• shrink

• swell and perhaps burst

• the size of the cell will not change

• the size of the cell will change from large to small and from small to large