Diffusion, Osmosis, & Active Transport

What is the term that describes the movement of molecules that require no energy (ATP)?

• active transport
• cell transport
• passive transport
• all cells require energy for transport.

Which diagram best shows the end result of diffusion?

• F
• G
• H
• J

What is the process where molecules move from areas of high concentration to low concentration?

• osmosis
• active transport
• diffusion
• plasmolysis

What will happen to the dye molecules in the beaker over time?

• all stay at top 
• all sink to the bottom
• spread out evenly (equilibrium)
• nothing will happen

Looking at the beakers from left to right, the molecules will move to reach a state of balance known as...?

• equilibrium
• osmosis
• active transport
• playmolysis

Tags

NGSS.HS-PS1-5

Osmosis is the movement of what kind of molecule?

• dye
• water
• oxygen
• cells

Tags

NGSS.MS-LS2-1

What happened to the elodea cells when they were placed into saltwater? 

• Cells swelled
• Plasmolysis
• Cytolysis
• There was no change

When your hands turn "pruney" or wrinkly  from being in water for a long time, this is a result of which process? 

• diffusion 
• osmosis 
• passive transport
• active transport

What kind of membrane was the plastic bag in the starch iodine lab?

• Semi-Permeable
• permeable
• impermeable

Where is there a LOW concentration of dye?

• at the bottom of cup
• in the dye
• at the top of cup 

Tags

NGSS.MS-PS1-2