Microbiology How does staphylococcus aureus differ from staphylococcus epidermidis? A It is coagulase positive B It is a common cause of UTI C It forms white colonies on blood agar D It causes endocarditis in drug addicts 💡 Explanation How does staphylococcus aureus differ from staphylococcus epidermidis? ✓ Correct Answer: A. It is coagulase positive