Cell Membrane and Transport

Cell Membrane and Transport

Investigate and explain cellular processes, including homeostasis, and transport of molecules

Multiple Choice

What is homeostasis?

• Keeping the cell balanced

• When you bring water inside the cell

• When the cell gets too complex

Multiple Choice

What does semi-permeable mean?

• Somewhat able to hold its shape

• Not allowing anything to pass through the membrane

• Only letting certain things pass through the membrane

• Not letting anything pass through the membrane without a protein channel

Multiple Select

Select all the characteristics of the cell membrane.

• Made of two layers (bilayer)

• Made of phsopholipids

• The outside layer loves water and the inside layer hates water

• It allows everything to pass through freely

Multiple Choice

Cells naturally go with the concentration gradient which is when -

• Molecules spread out from a high concentration to a low concentration

• Molecules come back together from a low concentration to a high concentration

• Molecules are evenly spread throughout the room without any effort

Multiple Choice

Molecules passively transport themselves from a high concentration of molecules to a low concentration of molecules to spread out. However, active transport is when molecules go from being spread out in a low concentration back to being together in a high concentration. How are they able to do this?

• The cell uses ATP (energy) to bring the molecules from a low concentration back to a high concentration

• The cell is unable to do this because it goes against what molecules can do naturally

• The molecules can move from low to high freely without any help at all

Multiple Choice

In what type of cell transport do molecules go from LOW to HIGH with the help of ATP and a protein channel?

• Diffusion

• Facilitated diffusion

• Osmosis

• Active transport

Multiple Choice

In what type of cell transport do WATER molecules go from high to low concentration across the cell membrane?

• Diffusion

• Facilitated Diffusion

• Osmosis

• Active Transport

Multiple Choice

In what type of cell transport do molecules go from a LOW to HIGH concentration across the cell membrane?

• Diffusion

• Facilitated diffusion

• Osmosis

• Active transport

Multiple Choice

In what type of cell transport do molecules go from LOW to HIGH concentration across the cell membrane with the help of a protein channel?

• Diffusion

• Facilitated diffusion

• Osmosis

• Active Transport