Question 2.4 In 1928 a scientist called Alexander Fl…
Question 2.4 In 1928 a scientist called Alexander Fleming grew microorganisms called bacteria. Growth shows that bacteria are living things. The bacteria grew on agar (jelly) in glass dishes. After a few days Fleming saw moulding growing in one glass dishes. Click on the button below to open the picture of the bacteria in the glass dishes. Bacteria cause disease. Fleming thought he could use the mould to help cure disease caused by bacteria. Look at the pictures and compare Day 1 and Day 6. Use the evidence in the pictures opposite to explain why Fleming thought the mould could be used to cure disease. (1)