Outline the role of sodium and potassium in the body. (6 marks)
Explain the process of protein digestion and indicate the enzymes involved at the different
stages of the digestive system.
(18 marks)
(a)
Describe how the loss of Vitamin C can be controlled in food preparation and service.
(10 marks)
Explain the role of the following Vitamins in the body;
(i) Vitamin E (5 marks)
(ii) Vitamin B1 (5 marks)

Discuss the determinants of energy requirements of an individual.
Discuss the social functions of food in the community.
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How does a lytic infection differ from a lysogenic infection?

Which statement best describes the role of religion and culture in ancient medicine?

Explain the cellular functions that occur when antibiotics attack a bacteria cell. a. antibiotics target the cell wall, cell membrane, and the processes of protein and nucleic acids production in bacteria to rupture the cell. b. antibiotics create dormant resistant endospores to preserve the genetic material and rupture the cell. c. antibiotics target the cell wall and form a bridge-like connection to form conjugation. d. antibiotics use binary fission to grow twice its size, replications its dna, and split into two cells.