Working as a Lab assistant or technician is a means by which many people start a career that can eventually result in being a research scientist or laboratory manager.
To become a scientist or Lab Manager will probably require you to obtain at least a university degree. Having a science degree in itself though, does not necessarily guarantee a job.
In some respects, and for some people, it can be easier to commence a career by studying a lesser qualification and obtaining a trainee position working as an assistant in a laboratory.
Some of the major subject area relevant to working as a lab technician can include:
Foundation in biochemistry of animals and humans.