Answer: Tetracycline.
- A Tetracycline
- B Penicillin
- C Ofloxacin
- D Aminoglycoside
Correct answer: A. Tetracycline
Explanation: Tetracycline (like erythromycin and chloramphenicol) is bacteriostatic, arresting bacterial growth. Penicillin, ofloxacin and aminoglycosides are bactericidal.
The hydrophobic hydrocarbon tail of each soap/detergent molecule dissolves into an oily dirt droplet, while the hydrophilic (ionic) head stays in the surrounding water - trapping the grease inside a micelle that rinses away with water.
Concept context
Drugs and how they interact with biological targets, chemicals in food, and cleansing agents (soaps and detergents) - chemistry applied directly to daily life and healthcare.