Transports Concepts in Biology

Fill in the Blanks

Passive transport does NOT use this to move molecules across the cell membrane.

Draw

Draw an example of simple diffusion!

Multiple Choice

To facilitate means to...

• assist

• hinder

• biomolecules

• watch

Multiple Choice

What purpose do channel and carrier proteins serve?

• To move molecules across the membrane from high to low concentration.

• To move molecules across the membrane from low to high concentration.

• To give the phospholipid bilayer (cell membrane) structure.

• They allow for osmosis and simple diffusion to occur.

Multiple Choice

Does the Cell Membrane regulate the flow of water (H2O)?

• Yes

• No

Match

Match:

• Solute

• Solvent

• Solution

Salt

Water

Salty Water

• Salt

• Water

• Salty Water

Open Ended

Why does water move INTO the cell, when that cell is placed in a hypotonic solution?

Multiple Choice

Does water move into and out of a cell, when that cell is placed in an isotonic solution?

• yes

• no

Match

Match

• Hypertonic Solution

• Hypotonic solution

• Isotonic Solution

Causes the Cell to Shrivel.

Causes the cell to swell

The cell is boring and normal.

• Causes the Cell to Shrivel.

• Causes the cell to swell

• The cell is boring and normal.

Match

Match

• Hypertonic

• Hypotonic

• Isotonic

Higher solute concentration outside the cell

Lower solute concentration outside the cell

Equal solute concentration inside and outside the cell

• Higher solute concentration outside the cell

• Lower solute concentration outside the cell

• Equal solute concentration inside and outside the cell