Diffusion and Active Transport AP Biology

In passive transport, molecules move from an area of __________ concentration to an area of __________ concentraiton

• high, low
• low, high
• water, salt
• active, passive

Where is there a low concentration of dye?

• at the bottom of cup
• in the color
• at the top of cup 
• no concentration gradient

Osmosis is the diffusion of _____ across a selectively permeable membrane.

• food
• air
• water
• oxygen

The movement of water through a semi-permeable membrane is called?

• cell membrane
• respiration
• osmosis
• diffusion

Ideally, your cells should be in a(n) _______ solution

• Hypertonic
• Hypotonic
• Isotonic
• Cola

Tags

NGSS.HS-LS1-3

Condition that occurs if too much water leaves the cell and cell collapses.

• Plasmolysis
• Osmosis
• Cytolysis
• Exocytosis

What type of solution has more solutes and less water than a cell that it contains?

• Isotonic
• Hypertonic
• Hypotonic
• None of the Above

What happens to a plant cell that is placed into a hypotonic solution?

• It shrinks
• Plasmolysis
• It swells
• Cytolysis

A cell with a 5% salt solution is placed into a beaker with a 10% salt solution.  This solution is considered to be _____ to the cell.

• Isotonic
• Hypertonic
• Hypotonic
• None of the Above

Tags

NGSS.HS-LS1-3

A cell with a 5% salt solution is placed into a beaker with a 10% salt solution.  What will happen to the cell?

• It will shrink
• It will swell
• No change
• Cytolysis

Tags

NGSS.HS-LS1-3