BIOLOGY XI NOTES
TRANSPORT - THEORY & QUESTION ANSWERS
Chapter # 14
Theory & Question Answers
Section IV - Functional Biology
➔ TRANSPORT
INTRODUCTION: (NEED FOR TRANSPORTATION OF MATERIALS) Every cell must obtain the necessary raw materials to support its metabolism. It must obtain nutrients and if it uses aerobic respiration, it must obtain oxygen. At the same time, it must get rid of metabolic wastes such as carbon dioxide and in animals nitrogenous compounds. In short, every cell must be exposed to a medium from which it can extract raw materials and into which it can dump wastes.
