Unit 6: Cellular Membrane & Transport Review

What is the function of the cellular plasma membrane?

• To keep proteins from coming into and out of the cell

• To organize and protect the DNA within the cell

• To maintain homeostasis by regulating what crosses the cell membrane

• To regulate and maintain what goes into and out of the nuclear membrane

Tags

NGSS.HS-LS1-3

Which of the following is NOT a part of the cellular plasma membrane?

• Phospholipid

• Cholesterol

• Cellulose

• Proteins

What are the primary differences between the Passive and Active Transport systems?

• Active only happens in living cells and Passive only happens in dead cells

• Active requires energy and goes against the concentration gradient

• Passive doesn't require energy and goes against the concentration gradient

• Active doesn't require energy and goes with the concentration gradient

Using the image of Passive Diffusion, Letter A shows which of the following

• Outside of the cell and an area of higher concentration

• Inside of the cell and an area of lower concentration

• An example of simple diffusion

• An example of facilitated diffuision

In class we smelled balloons, this was an example of which of the following?

• Osmosis

• Facilitated diffusion

• Active Transport

• Simple diffusion

Why is the cellular plasma membrane explained as a fluid mosaic model?

• The membrane is wet and can be modeled using small parts

• The membrane is wet, not fixed, and can be modeled

• The membrane is not fixed and made of small parts

• The membrane is fixed, wet, and made of small parts

Using the image, determine what letter C is labeling

• Simple diffusion

• Osmosis

• Active transport

• Facilitated diffusion

When does osmosis occur?

• When the concentration of solutes inside and outside of the cell are the same

• When the concentration of transport proteins within the cell membrane is higher than water

• When the concentration of solutes inside and outside of the cell are different

• Osmosis is always happening

True or False. Osmosis will occur if a cell is placed in an Isotonic solution

• TRUE

• FALSE

The movement particles from an area of high to low concentration is considered which of the following?

• Active Transport

• Passive Transport

• Endocytosis

• Exocytosis