Biology B (Advancing Biology) H022: Planning Topical Past Paper Questions

(a) Snake venom is a type of poison injected into the body during a bite from a venomous snake. Some snake bites can be treated using antivenom. Antivenom contains antibodies that have been produced by a horse. To make antivenom, horses are given a small dose of snake venom. (i)…

Trypsin is an enzyme found in the digestive system of mammals. The enzyme is used to digest casein, a protein found in milk. The products of casein digestion can then be absorbed into the blood. Casein is a white protein that turns colourless when it is hydrolysed. A student want…