Which of the following make up the cell membrane? Pick all that apply.

• Carbohydrates
• Lipids
• Proteins
• Nucleic Acids

How many layers in the phospholipid bilayer?

• 1
• 2
• 3
• 4

Which statement describes the process of facilitated diffusion across a plasma membrane using protein channels?

• substances move from low to high concentration without the use of energy
• substances move from low to high concentration through transport proteins using energy
• substances move from a high to a low concentration using energy
• substances move from a high to a low concentration through transport proteins without the use of energy

A cell is placed in a solution with the salt concentration much higher than that of the cell. What will most likely happen to the cell?

• The cell will burst.
• The cell will remain the same.
• The cell will shrivel.
• The cell will swell.

If the green dots are liquid, then what is shown?

• phagocytosis
• exocytosis
• pinocytosis
• osmosis

Crystals of dye, when placed in a beaker of water, eventually spread evenly throughout the water. This is an example of ______.

• phagocytosis
• osmosis
• facilitated diffusion
• diffusion

Tags

NGSS.MS-PS1-2

The diffusion of water across a semi-permeable membrane is called ______.

• facilitated diffusion
• osmosis
• exocytosis
• endocytosis

Suppose a rubber tube containing a 10% sugar solution is covered at one end by a semi-permeable membrane and is placed in a beaker containing a 5% sugar solution. What will happen to the water?

• Water will only leave the rubber tube.
• Their will be no net water movement.
• More water will enter the rubber tube than leave the rubber tube.
• More water will leave the rubber tube than enter the rubber tube.

Which type of solution will have the same solute concentration on both sides of the cell membrane?

• isotonic
• hypertonic
• hypotonic

Which type of solution will cause cells to swell, or even to burst?

• isotonic solution
• hypotonic solution
• hypertonic solution
• cells don't need water