Vacuoles

Question 1

Vacuole - function

Answer 1

• maintain shape of the shape
  - water causes cytoplasm to push the
  cell wall
• gives colour to some plants and fruit
  - vacuole includes pigment
  - attracts insects to pollinate them
• chemical waste is collected
  - alcoloid / tanin are stored
  - taste keeps herbivores away
• used as food storage
  - amino acid
  - glucose

Question 2

Vacuole - structure

Answer 2

• liquid-filled sac
• surrounded by the tonoplast
  - a single membrane
• includes :
  - cell sap
  - organic materials
  - waste products of reactions
  - pigment