This book presents the fundamentals of molecular biophysics, and highlights the connection between molecules and biological phenomena, making it an important text across a variety of science disciplines. The topics covered in the book include:* Phase transitions that occur in biosystems (protein crystallisation, globule-coil transition etc)* Liquid crystallinity as an example of the delicate range of partially ordered phases found with biological molecules* How molecules move and propel themselves at the cellular level* The general features of self-assembly with examples from proteins* The phase behaviour of DNA The physical toolbox presented within this text will form a basis for students to enter into a wide range of pure and applied bioengineering fields in medical, food and pharmaceutical areas.