Skip to content
Skip to main content

About this free course

Download this course

Share this free course

Addiction and neural ageing
Addiction and neural ageing

Start this free course now. Just create an account and sign in. Enrol and complete the course for a free statement of participation or digital badge if available.


Ribonucleic acid; biopolymer of ribonucleotides present in all living cells and some viruses. There are three main types of RNA classified on the basis of their function: messenger RNA (mRNA), ribosomal RNA (rRNA) and transfer RNA (tRNA).

» Glossary