Osmosis background

Question 1

What is osmosis

Answer 1

The movement of water molecules from a region of high concentrationto a rehion of lower concentration through a partially permable membrane

Question 2

What is osmosis in terms of potential

Answer 2

Osmosis is the movement of water molecules from a region of high water potential to a region of lower water potential, through a partially permeable membrane

Question 3

What is a solution which has a high water potential

Answer 3

• A solution with a high water potential is a….
  
  • A weak water solution
  • which has a high concentration of “free” water molecules
  • that move about

Question 4

What is a solution which has a low water potential

Answer 4

A solution with a low water potential has a….

Concentrated solution,

which has a lower concentration of “free” water molecules

moving about

Question 5

How does water move out of cells

Answer 5

Water will move out of cells with a high water potential into cells with lower water potential

Question 6

What is the water potential expressed as

Answer 6

The greek letter psi

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