Educational resources

Whether you're new to molecular biology, or you simply want to refresh some knowledge, there are great (free!) resources online to help you along. Here are some I would recommend, and contact me if you know of others worth mentioning here.

Khan Academy

Especially recommended:

Classical and molecular genetics
DNA as the genetic material
Central dogma (DNA to RNA to protein)
Evolution and the tree of life

Other interesting lessons:

General biology
Cell division
Gene regulation
Biotechnology
Bacteria and archae
Viruses

Coursera

Two courses to improve your knowledge of bioinformatics:

Introduction to Genomic Technologies course (Johns Hopkins University)
Python for Genomic Data Science (Johns Hopkins University)