During a laboratory safety inspection, it was noted that a lab was using an alcohol-based solution for sterilizing instruments. Which of the following alcohol concentrations is most likely being used based on best practices for instrument sterilization?

Which of the following chemical agents is most effective at disrupting bacterial cell walls, leading to cell lysis?

In the context of sterilization, which compound is known for its ability to form cross-links with nucleic acids and proteins, rendering them inactive?