ILEARN Biology Review

Which number is pointing to the transport protein?

• 1

• 2

• 3

• 4

Which correctly points to the part of the phospholipid that is hydrophobic (nonpolar)?

• A

• B

Based on the water movement, what are the correct labels for the left and right sides of the membrane in the 'before' picture?

• The left is isotonic and the right is hypertonic.

• The left is hypotonic and the right is hypertonic.

• The left is hypertonic and the right is hypotonic.

• The left is hypotonic and the right is isotonic.

Which image best represents facilitated diffusion?

• 
• 
• 
• 

Why has water moved into the cell in the hypotonic solution?

• The cell was deflated and needed to be inflated.

• The concentration of solvent was higher inside than outside the cell.

• The concentration of solute (salt) was higher outside the cell than inside.

• The concentration of solute (salt) was higher inside the cell than outside.

Tags

NGSS.HS-LS1-3

Transport of water molecules across a cell membrane allows cells to maintain stable internal conditions in an ever-changing environment. This stable internal condition is called _____.

• homeostasis

• energy transfer

• osmosis

• carrying capacity

Tags

NGSS.HS-LS1-3

A red blood cell is placed into a solution. The red blood cell has a lower concentration of protein and sugar than the solution, as shown in the diagram. What is most likely to occur?

• Water from the solution will move into the red blood cell.

• Water from the red blood cell will move into the solution.

• Protein and sugar will move from the solution into the red blood cell.

• Protein and sugar will move from the red blood cell into the solution.

Cell organelles that are responsible for digesting food, worn out organelles and other cellular wastes are called ___________________.

• Mitochondria
• Vacuoles
• Lysosomes
• Chlororplasts

What is one basic function of the vacuoles?

• circulating oxygen
• producing food
• controlling cell processes
• storing water

Tags

NGSS.MS-LS1-2

Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do.  What is the main function of the chloroplasts found in plant cells?

• to absorb light energy and manufacture food
• to remove waste materials by active transport
• to manufacture chemical energy from food
• to control the shape of the cell

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5