Final answer:
Admins can lock phages to stop students from editing files during Quality check before submitting to phagesdb.
Step-by-step explanation:
Admins are able to lock phages to prevent students from editing files while they are doing the Quality check for prep to submit to phagesdb. The correct option is (a) Lock, editing. This action ensures the integrity of the data being checked and prepped for submission to the database, which is a critical repository for phage research. It is vital that users don't make alterations to files during this phase to preserve the accuracy of the information.