What nutrition means
What nutrition means
All organisms need substances for growth, repair, respiration and reproduction. Nutrition is the process of obtaining these substances, and digestion breaks large insoluble molecules such as starch, proteins and lipids into small soluble ones that can cross membranes.
Step-by-step lessons on Eduqas A Level Biology Adaptations for nutrition. Each one builds up to exam-style questions. Build a strong foundation in cell biology and biochemistry early on, since later topics on genetics, ecology and physiology all draw on these core concepts.