Movement of Substances

Which is NOT the factor affecting the rate of diffusion?

• temperature

• pH

• concentration gradient

• surface area to volume ratio

Which term is to describe the bursting of an animal cell by osmosis?

• Lysis

• Turgid

• Crenation

• Flaccid

Which term is to describe the shrinking of an animal cell by osmosis?

• Turgid

• Flaccid

• Crenation

• Lysis

Turgid is ...

• a plant cell fully inflated with water

• a plant cell that is limp through a reduction of pressure inside the cell

• bursting an animal cell by osmosis

• shrinking an animal cell by osmosis

Flaccid is ...

• shrinking an animal cell by osmosis

• bursting an animal cell by osmosis

• a plant cell that is limp through a reduction of pressure inside the cell

• a plant cell fully inflated with water

Which is true about active transport?

• It requires energy
• it does not require energy
• It moves substances down the concentration gradient
• it moves material from high to low concentration

What is Osmosis?

• movement between equal concentrations

• movement of water molecules from a high to low concentration area through a partially permeable membrane

• movement of particles from a high to low concentration area

The movement of particles from an area of high concentration to an area of low concentration is called ...

• osmosis

• active transport

• diffusion

• hypertonic

The picture is an example of...

• active tranport

• passive transport

• diffusion

• osmosis

Which of the following is "the movement of water across a partially permeable membrane"?

• Diffusion

• Active Transport

• Osmosis

• Passive Transport