3.3. Bestudeer die onderstaande diagram en beantwoord die vrae wat volg.   OM DIE DIAGRAM TE BEKYK, REGS-KLIK OP DIE BLOK HIERONDER EN MAAK DIT OOP IN ‘N NUWE ‘TAB’:    

1.4.5. Gee ‘n biologiese verklaring vir die resultate wat Andrew waargeneem het. (3)

  TOTAAL AFDELING A: [50]

3.2. Bestudeer die onderstaande diagram en beantwoord die vrae wat volg. OM DIE DIAGRAM TE BEKYK, REGS-KLIK OP DIE BLOK HIERONDER EN MAAK DIT OOP IN ‘N NUWE ‘TAB’:  

3.3.2. Which of the tissues can be scraped from the lining inside your mouth? (1)   [ANS]  

2.2.1. Identify in which phase of mitosis is this cell? (1)

2.1.3. Suggest three reasons for diluting goat’s milk before feeding human infants. (3)

3.1.1 Noem twee ander siektes wat deur sigaretrook veroorsaak kan word, behalwe longkanker.  (2)

SECTION B QUESTION 2 2.1. The table below compares the composition of 100ml samples of human breast milk and undiluted goat’s milk. If goat’s milk is used for feeding human infants, it is normally diluted by adding one volume of water to two volumes of milk.   Constituent Goat’s milk (g) Human milk (g) Water 90,0 89,0 Carbohydrates (lactose) 4,3 5,8 Proteins 4,0 1,35 Fat 2,9 3,8 Calcium 0,147 0,035 Sodium 0,049 0,012 Vitamin C 0,015 0,003    

3.1.3. Beskryf die verband tussen rook en longkanker. (3)