Penicillin is the antibiotic produced by Penicillium chrysogenum and its effective against Gram-positive bacteria. The growth of which bacteria will most likely be affected by Penicillium chrysogenum? Select one or more: a. Pseudomonas putida b. Bacillus megaterium c. Escherichia coli d. Staphylococcus epidermidis

Answer: b. Bacillus megaterium

d. Staphylococcus epidermidis

Explanation:

a. Pseudomonas putida is a Gram-negative, rod-shaped bacteria.

b. Bacillus megaterium is a rod-like, Gram-positive bacteria.

c. Escherichia coli is a Gram negative, rod shaped bacteria.

d. Staphylococcus epidermidis are gram positive rods, arranged in grape-like clusters.