Protein and Analytical Biochemistry:
The majority of a cell's molecular machinery is provided by proteins. There are numerous enzymes or enzyme components. Alternative proteins form the struts and joints of the structure, among other structural or mechanical functions. Every macromolecule is made up of linear amino acid polymers. A study of the biochemical elements present in a cell or other biological sample can be referred to as analytical biochemistry. For the separation, identification, quantification, and practical characterisation of biological molecules such nucleic acids, enzymes, proteins, pigments, carbohydrates, and others, this field employs a wide range of techniques.