Diffusion and Osmosis

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

• diffusion
• mitosis
• endocytosis
• photosynthesis

What process occurs when WATER diffuses across a membrane?

• endocytosis
• mitosis
• osmosis
• nuclear fission 

Which diagram best shows the end result of diffusion?

• F
• G
• H
• J

The picture  is an example of _________________.

• isotonic
• diffusion
• osmosis
• active transport

When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of ___________.

• osmosis
• equilibrium
• diffusion
• hypertonic

What does selectively-permeable mean?

• The cell controls what passes in and out of the cell
• Nothing gets through
• The cell lets only large substances through

Diffusion allows the movement of particles without having to use any _____

• Energy
• 4G
• Data
• Transport proteins

Diffusion stops when the concentration has reached equilibrium - true or false?

• true.
• false 

 An animal cell placed in a hypertonic (salty) solution will

• Stay the same
• Shrink- get smaller
• Swell- get bigger

Tags

NGSS.HS-LS1-3

_______ regulates what enters and leaves a cell.  

• Cell Membrane
• Nucleus
• Mitochondria
• Cytoplasm

Tags

NGSS.MS-LS1-2