Topic 6 - Microbial diversity

Question 1

2 groups of gram positive bacteria

Answer 1

Firmicutes (low) and Actinobacteria (high) G + C

Question 2

aureus

Answer 2

catalase test is positive, clusters, infects the digestive tract, lung - antibiotic resistance

Question 3

pyogenes

Answer 3

catalase test negative, long chains, infects respiratory tract - sensitive to penicillin

Question 4

Non-sporulation firmicutes

Answer 4

Lactic acid bacteria, they are gram positive rods and cocci that produce Latic acid as the major or sole fermentation product