2.1.1 - eukaryotic cells

What is the primary component of the cell wall?

Cellulose

What form of energy is produced by the light-dependent reactions in the thylakoid membrane system?

ATP and NADPH

What are the overall roles of vacuoles in cells?

Homeostasis, storage, digestion, defence

What do contractile vacuoles in protists do?

Regulate osmotic pressure by expelling excess water

What is the function of the membrane (tonoplast)?

Regulates movement of substances

What is the function of cell sap?

Contains water, enzymes, and ions

In what type of cell are vacuoles larger and more prominent?

Plant cells

What is the function of an acidic environment within lysosomes?

It optimises enzyme activity

What is the role of digestive enzymes?

Breaks down proteins and lipids

What is the primary function of lysosomes in eukaryotic cells?

Break down waste

What is the function of the outer membrane of the mitochondria?

Allows passage of small molecules