B1 AQA Cell Transport STC

Movement of materials from high to low concentration through a protein channel. 

• Passive Transport
• Active Transport

Tags

NGSS.MS-LS1-2

This is a picture of

• Cell wall
• Cell membrane
• chloroplast
• mitochondria

Tags

NGSS.MS-LS1-2

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.

Tags

NGSS.MS-LS1-2

What is the name of the process in which molecules move from an area of high concentration to an area of low concentration across a selectively permeable membrane?

• Diffusion

• Osmosis

• Active Transport

Where is there a low concentration of dye?

• at the bottom of cup
• in the color
• at the top of cup 
• no concenteraion gradient

Tags

NGSS.MS-PS1-2

Permeable means

• things can pass through
• the concentration levels are different
• it is permanent
• things are stuck

Tags

NGSS.HS-ESS2-5

Against the concentration gradient

low to high

uses energy/ATP

• diffusion

• osmosis

• active transport

What does “high concentration area” mean?

• Spread out
• Tightly packed together
• Uncrowded
• Spacious

When particles move from areas of high concentration to areas less concentrated, this has taken place.

• diffusion

• mitosis

• photosynthesis

Which diagram best shows the end result of diffusion?

• F
• G
• H
• J

Tags

NGSS.MS-PS1-1