This compilation "Cellular Physiology: A Practical Manual" is very useful for the Students, Scholars and Researchers in the area of 'Molecular Physiology and Biochemistry'. Cellular physiology is the biological study of the activities that take place in a living cell. The term physiology refers to normal functions in a living organism. Animal cells, plant cells and microorganism cells show similarities in their functions even though they vary in structure. This text book of Cellular Physiology is well written for the B.Sc and M.Sc Students for UG and PG levels. The manual has divided into different experimental protocols with principles, materials and methods, results and discussion for the ease and clear understanding of the concepts. This practical manual is a collection of basic and applied methodologies in the arena of Biology, which can be used in different fields of Life Sciences. This manual provides a compilation of useful protocols for learner students, scholars for setting-up laboratory experiments and for teachers as a practical teaching aid. This information will certainly allow students to plan, execute and make modifications to the method(s) of their interest.