DNA: THE CODE OF LIFE — Grade 12 Life Sciences Notes

Comprehensive CAPS-aligned study notes for DNA: THE CODE OF LIFE in Grade 12 Life Sciences. Browse the sections below to find detailed explanations, worked examples, and exam preparation material.

Sections in DNA: THE CODE OF LIFE

Introduction

DNA: The Code of Life Every living organism on Earth carries a remarkable molecule that stores and transmits the instructions for life. Deoxyribonucleic acid (DNA) is the blueprint for building and…

DNA: location, structure and functions

DNA: Location, Structure and Functions DNA is the most important molecule in biology. It carries the hereditary instructions that are passed from parent to offspring, and it contains the coded…

DNA replication

DNA Replication Before a cell divides, it must first make an exact copy of all its DNA so that each daughter cell receives a complete set of genetic information. This copying process is called DNA…

DNA profiling

DNA Profiling Every person (except identical twins) has a unique DNA sequence. DNA profiling is a technique used to produce a visible pattern from a person's DNA that can be compared with other…

RNA: location, Structure and function

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RNA: Location, Structure and Function While DNA stores the genetic instructions, it cannot leave the nucleus to carry out those instructions directly. Instead, cells use a closely related molecule…

Protein synthesis

Protein Synthesis Protein synthesis is the process by which cells manufacture proteins according to the instructions in DNA. It involves two main stages: transcription (making mRNA from DNA in the…