WorksheetsUnit 3 Review
Total questions: 50
Worksheet time: 33mins
Which image correctly shows the way phospholipids arrange themselves in the cell (plasma) membrane?
Small, nonpolar, hydrophobic molecules such as fatty acids
easily pass through the membrane's bilayer
very slowly diffuse through the bilayer
require transport proteins
enter through endocytosis
Which of the following allows water to move faster across cell membranes?
aquaporins
ATP
peripheral proteins
the sodium-potassium pump
Utilizing ATP energy to move molecules across the membrane is:
simple diffusion
facilitated diffusion
osmosis
active transport
Which type of Passive transport uses the help of a transport protein?
Osmosis
Facilitated diffusion
Simple diffusion
A cell is placed in a salt solution. No osmosis is observed over time, so the solution must have been
Hypotonic
Isotonic
Hypertonic
Cryptotonic
A cell in the body has an oxygen concentration of 16% inside the cell. The blood vessels have an oxygen concentration of 12%. Both are permeable to oxygen. In this example, oxygen will diffuse
into the cell
out of the cell
in neither direction
equally in both directions
What are the types of passive transport? Select all that apply.
Simple diffusion
Facilitated diffusion
Endocytosis
Osmosis
Protein pumps / carrier proteins
Which type of solution makes a cell shrink?
Hypotonic
Hypertonic
Isotonic
What do the processes of exocytosis and endocytosis have in common?
They are a way to move materials out of a cell.
The are a way to move materials into a cell.
They are both kinds of passive transport.
They both involve a vesicle surrounding material that needs to be moved in or out of a cell.
In active transport, molecules move from an area of __________ concentration to an area of __________ concentraiton
high, low
low, high
water, salt
active, passive
The diagram shows two chambers with different concentration of molecules separated by a selectively permeable membrane. Predict what will happen to the water molecules ?
move from B to A due to diffusion
move from B to A due to osmosis
move from B to A due to active transport
move from A to B due to osmosis
This plasmolysis condition will happen if we put plant cell in ....solution
hypotonic
isotonic
elektronic
hypertonic
This red blood cell swell and burst in a ....solution
hypotonic
isotonic
elektronic
hypertonic
