Cellular Transport

What process is shown in this image? 

• endocytosis
• exocytosis
• sodium-potassium pump
• diffusion

What will happen to an animal cell if it is placed in a hypotonic solution? 

• It will shrink.
• It will remain the same size.
• It will swell, and possibly burst (lyse).
• It will swell, but will not burst open.

When cells take in external fluid, macromolecules, large particles, and other cells, it is a type of active transport called _.

• exocytosis
• Na+/K+ pump
• passive transport
• endocytosis

A cell has an internal solution with 10% dissolved solutes. Which of the following would be hypertonic to this cell?

• 5%
• 20%
• 10%
• 1%

Which organelle helps to offset (reduce) the effects of osmosis in protists?

• vacuole
• cilia
• contractile vacuole
• flagella

Select the response that correctly completes the sentence.
Active transport..

• requires energy and moves things against the concentration gradient
• requires energy and moves things down the concentration gradient
• requires no energy
• is very active

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

This picture represents what type of cell transport?

• endocytosis
• exocytosis
• osmosis
• passive transport

In a _ solution, the concentrations of dissolved solutes are the same as those inside the cell. There is no overall movement or change in cell size.

• hypertonic
• hypotonic
• isotonic

This image shows blood cells that have been placed in a(n) _____ solution.

• isotonic
• hypertonic
• hypotonic