Molecular Biology
Graduate study of the molecules of life: DNA replication, transcription, and how genes become proteins.
Dr. Reyna Castellanos
Molecular Biologist
The Central Dogma
From DNA to RNA to protein.
Gene Regulation
How cells switch genes on and off.
PCR & DNA Sequencing
Copying and reading the genetic code.
CRISPR & Genome Editing
Rewriting DNA with molecular scissors.
Common questions
Who is "Molecular Biology" for?
It is written for learners at Master's level (Graduate), and for anyone older who wants a clear refresher on science. Graduate study of the molecules of life: DNA replication, transcription, and how genes become proteins. There is no application or entry test — you can start the first lesson straight away.
How long does the course take?
There are 4 lessons totalling 39 minutes of reading and quizzes, laid out over 2 units. You can move at your own pace — progress is saved as you go.
What do I need to know before starting?
No prior coursework is assumed. The course opens with "The Central Dogma", covering replication and transcription and translation, so the foundations are built in rather than expected.
Is the course free?
Yes. Every course on Monster Class is completely free, with no credit card, trial period or paywall. Creating a free account simply saves your progress, XP and place on the leaderboard across devices.