Cell Membrane Structure and Passive Transport

This cellular structure helps organisms maintain homeostasis by controlling what substances may enter or leave cells.

• vacuole
• nucleus
• cell membrane
• cell wall

Tags

NGSS.HS-LS1-3

What type of transport is this?

• facilitated diffusion
• active transport
• diffusion
• osmosis

The most important organelle in cell transport is the.....

• E.R.
• cytoplasm
• nucleus 
• cell membrane

Special proteins help move particles, but NO energy is needed. This is..

• facilitated diffusion
• exocytosis
• active transport
• equilibrium

Tags

NGSS.MS-LS1-2

What is this image?

• cell membrane
• mitochondria
• golgi apparatus
• endoplasmic reticulum

Tags

NGSS.MS-LS1-2

The function of the plasma membrane is....

• to regulate what enters and leaves the cell.
• fight bacteria and viruses that enter the cell.
• provide rigid support and protection to the cell.
• make sure each cell can move

Tags

NGSS.MS-LS1-2

In which direction will these molecules diffuse?

• from right to left
• from left to right
• they will not move at all
• they will move in both directions equally

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.

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

Tags

NGSS.MS-LS2-3

What is the name of the macromolecule that makes up the majority of the cell membrane?

• Lipid

• Carbohydrate

• Nucleic acid

• Protein