B1 Cells And Organisation Flashcards
What is a Turgid Cell?
Vacuole is filling all the space and pushing against cell wall.
What is a Flaccid Cell?
Vacuole is much smaller and taking up less space.
Why do plants rely on the movement of water to survive?(answer 1)
Water always moves to areas of lower water concentration.
Why do plants rely on the movement of water to survive?(answer 2)
Root hairs take in water from the soil by osmosis.
What is Osmosis?
Osmosis is the movement of water from a dilute (weak) solution to a more concentrated (strong) solution through a partially permeable membrane.
What is Dilute (weak) sugar solution?
High water concerntration, Low sugar concentration.
What is concentrated (strong) sugar solution?
Low water concentration, High suger concentration.
How does diffusion occur?
Diffusion happens when particles spread out from an area of high concentration to an area of low concentration
