Inside and out - where enzymes work best

Question 1

What do all enzymes need to work?

Answer 1

• All enzymes are protein molecules; therefore need to retain specific shape to work.

Question 2

What does regulating body temperature mean?

Answer 2

• Endothermic animals maintain their body temperature independently of the environment. Regulating body temperatures means enzymes can work inside the body in any climate.

Question 3

What are heterotrophs?

Answer 3

• Animals that obtain nutrients by consuming other organisms are known as heterotrophs.

Question 4

What is digestion?

Answer 4

Digestion is breaking down larger molecules into their subunits – requires breaking of glycosidic, peptide and ester bonds.

Question 5

What do Extracellular and Intracellular enzymes do?

Answer 5

• Extracellular enzymes catalyse reactions outside the cell; Intracellular enzymes catalyse reactions inside the cell.