Royal Lecture: Cellular Metabolism - Chapter 4, Part 1

What is the main purpose of cellular metabolism?

• To destroy enzymes

• To make cells explode

• To maintain homeostasis

• To create new cells

Which process involves building up small molecules into larger ones?

• Oxidation

• Anabolism

• Hydrolysis

• Catabolism

What is the role of enzymes in metabolic processes?

• They provide energy

• They slow down reactions

• They destroy substrates

• They lower activation energy

What is a cofactor in enzyme activity?

• An inhibitor

• A non-protein that activates enzymes

• A type of protein

• A substrate

Which step in cellular respiration does not require oxygen?

• ATP synthase

• Electron transport chain

• Krebs cycle

• Glycolysis