Answer: a wide range of microbes.
- A just one microbe type
- B a wide range of microbes
- C only certain viruses
- D only certain fungi
Correct answer: B. a wide range of microbes
Explanation: Broad-spectrum antibiotics (e.g. chloramphenicol) act against many different kinds of bacteria.
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.