) If the bacterium Staphylococcus aureus experiences a cost for maintaining one or more antibiotic-resistance genes, then what should happen in environments from which antibiotics are missing?
A) These genes should continue to be maintained in case the antibiotics ever appear.
B) These bacteria should be outcompeted and replaced by bacteria that have lost these genes.
C) The bacteria should try to make the cost worthwhile by locating, and migrating to, microenvironments where traces of antibiotics are present.
D) The bacteria should start making and secreting their own antibiotics.
Yellow colonies of S. aureus
Staphylococcus Aureus
Phagocytosis. The cell engulfs and digests a bacterium.
A spark plug thread chaser is a low-cost tool that hopefully will not be used often, but is ...
The cell wall of a Gram-positive bacterium, S. aureus
Electron micrograph of the bacterium Escherichia coli