Biochemistry for Nurses

1

Introduction: Composition and Function of Cell

CHAPTER OBJECTIVES

1.1 Introduction to and importance of biochemistry

1.2 Structure, composition and function of cell

1.3 Cell organelles

1.4 Cellular organization: Prokaryotic and eukaryotic cell

1.5 Microscopy

1.1 INTRODUCTION TO AND IMPORTANCE OF BIOCHEMISTRY

Life is associated with living beings. A cell whether a unicellular cell, like a bacterial cell, yeast cell or a multicellular cell is capable of self-existence and multiplication, either asexually or sexually. The classical definition describes a cell as living, as long as it can multiply from one to two. Viruses are accordingly considered as living as they multiply inside a host, but outside the host, they are non-living, not being ...