Podcast
Questions and Answers
What is the main driving force behind diffusion?
What is the main driving force behind diffusion?
- Static electricity
- High concentration to low concentration gradient (correct)
- Gravity
- Magnetic force
What happens to a solution when it reaches a state of 'equilibrium'?
What happens to a solution when it reaches a state of 'equilibrium'?
- It becomes more concentrated
- It starts diffusing in the opposite direction
- It stops changing (correct)
- It becomes less mixed
What is the transport mechanism responsible for the movement of carbon dioxide and oxygen through a cell membrane?
What is the transport mechanism responsible for the movement of carbon dioxide and oxygen through a cell membrane?
- Active transport
- Osmosis
- Facilitated diffusion
- Diffusion (correct)
Why does oxygen move into the cell?
Why does oxygen move into the cell?