Moving Cellular Materials

Front

What is diffusion?

Back

when molecules move from a high concentration to a low.

Front

Where is there a low concentration of dye? Options: at the bottom of cup, in the color, at the top of cup, no concentration gradient

Back

at the bottom of cup

Front

Osmosis is the movement of _____ across a membrane.

Back

water

Front

During osmosis, water moves from high to low concentration.

Back

water moves from high to low concentration

Front

What does a cell need to transport particles by active transport? (Options: Sun, Wind, Energy, Channels)

Back

Energy

Front

When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of

Back

Equilibrium

Front

Passive transport requires no

Back

energy

Front

The picture  is an example of _________________.

Back

diffusion

Front

_______ regulates what enters and leaves a cell.

Back

Cell Membrane

Front

A cell uses protein channels to move large sugar molecules from an area of high concentration to an area of low concentration. This is an example of _____

Back

facilitated diffusion