Why is spill management necessary?

Correct answer: To prevent accidental spread of modified cells

The direct answer is A: spill management helps prevent accidental spread of modified cells. A spill may release biological material onto benches, equipment, floors or nearby people. Step by step: first, stop unnecessary movement and follow the approved biosafety procedure; second, restrict the area and use appropriate personal protective equipment; third, apply the validated disinfectant and contact time required by the local protocol; fourth, collect waste safely and report the incident. These actions reduce contamination, exposure and unintended release. Exact procedures depend on the organism, material and institutional rules, so students should follow trained supervision rather than improvise. Option A is correct because containment is the purpose of spill management. Option B is wrong: DNA copying requires replication enzymes and suitable conditions, not a spill response. Option C is wrong because spill management does not freeze a host. Option D is wrong because protein digestion is a laboratory reaction, not the goal of containment. A useful cue is: spill management protects people, the work area and the environment by controlling accidental release.