Plasma membrane

The cell membrane is selectively permeable, which means...

• All materials can enter and leave the cell
• Certain things can enter while others cannot
• The cell manually sorts through all materials
• Only certain cells can interact with the cell.

Most of the cell membrane is made of...

• Lipids
• Carbs
• Proteins
• Nucleic acids

Which of the following is responsible for getting complex molecules across the cell membrane?

• Lipids
• Carbs
• Proteins
• Nucleic Acids

The function of the plasma membrane is....

• regulate what enters and leaves the cell.
• fight bacteria and viruses that enter the cell.
• make sure each cell reproduces 
• make sure each cell can move

diffusion is the movement of 

• water from low to high concentration
• particles from low to high concentration
• water from high to low concentration
• particles from high to low concentration

Tags

NGSS.HS-PS1-5

which of the following terms means the movement of water from high concentration to low concentration

• diffusion
• prokaryotes
• osmosis
• concentration

The cell membrane is _______________ permeable.

• selectively

• somewhat

• physically

• ionically

Tags

NGSS.MS-LS1-2

___________ form the two layers of the cell membrane.

• Carbohydrates

• Proteins

• Phospholipids

• Cholesterol

In this given scenario, corn syrup is hypertonic to an egg with a dissolved shell. What will happen to the egg when it is place in corn syrup?

• It will stay the same.

• It will swell- get bigger.

• It will shrink- get smaller.

Tags

NGSS.MS-LS1-5

The cell below is in a _____________ solution.

• Hypertonic
• Hypotonic
• Isotonic

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-5