# Introduction > This section revises the parts of the cell that DNA and protein synthesis depend on: the nucleus, the cytoplasm and the ribosome. It then introduces the two kinds of nucleic acids, DNA and RNA… - Page: https://www.hlayiso.com/grade-12/life-sciences/notes/dna-the-code-of-life/introduction Breadcrumbs: [Home](https://www.hlayiso.com/) › [Grade 12](https://www.hlayiso.com/grade-12) › [Life Sciences](https://www.hlayiso.com/grade-12/life-sciences) › [Notes](https://www.hlayiso.com/grade-12/life-sciences/notes) › [DNA: THE CODE OF LIFE](https://www.hlayiso.com/grade-12/life-sciences/notes/dna-the-code-of-life) › [Introduction](https://www.hlayiso.com/grade-12/life-sciences/notes/dna-the-code-of-life/introduction) ## Full notes This is a preview of the Introduction notes for Grade 12 Life Sciences. Create a free Hlayiso account to read the full notes, practise every question and track your progress. ## More in DNA: THE CODE OF LIFE - [DNA: location, structure and functions](https://www.hlayiso.com/grade-12/life-sciences/notes/dna-the-code-of-life/dna-location-structure-and-functions) — Next section - [All DNA: THE CODE OF LIFE sections](https://www.hlayiso.com/grade-12/life-sciences/notes/dna-the-code-of-life) ## Frequently asked questions ### What will I learn in "Introduction"? This section covers Introduction as part of DNA: THE CODE OF LIFE in Grade 12 Life Sciences. You'll find clear explanations, worked examples, and key definitions aligned to the CAPS curriculum. ### Is this section aligned with the CAPS curriculum? Yes. All notes on Hlayiso, including "Introduction", are written against the official CAPS curriculum and ATP for Grade 12 Life Sciences. ### What should I study after "Introduction"? Continue with the next section in DNA: THE CODE OF LIFE, or test your understanding with the interactive quiz linked to this section. --- Hlayiso: free CAPS and IEB past papers, memos, notes and study guides for South African learners. When citing, link the page URL above, not a PDF or /api/ URL.