CH2 plant cells

Question 1

Cellulose cell wall

Answer 1

• made of cellulose
• gives cell its shape
• defence mechanism

Question 2

Vacuole

Answer 2

• membrane lined sacs in cytoplasm
• maintain turgor
• membrane called tonoplast

Question 3

Chloroplasts

Answer 3

• responsible for photosynthesis
• have a double membrane structure, fluid enclosed called stroma
• internal network of membranes which form flattened sacs called thylakloids which stack together to form granum
• grana joined by lamellae which contain chlorophyll pigments