Overview

Molecular biology is a field of science that explores and studies the structures and functions of cells on a molecular level. Experts in molecular biology must be proficient in numerous subjects and sciences before they can effectively conduct research or academic activity in their field. It is presumed that all cell functions, which are incredibly complex and incompletely understood, take place on a molecular level. This means that the sophisticated interconnection and cooperation of biological molecules is what makes life possible, which is an intriguing subject that puzzles molecular biologists and motivates them to discover the secrets of cells. A molecular biologist is a highly intelligent individual that is preoccupied with exploring, understanding or teaching the concepts behind cellular structure and function on a molecular level.

Cells are made of highly sophisticated structures called cellular organelles, which include the nucleus, the endoplasmic reticulum, lysosomes, the Golgi apparatus and many more. Each of these organelles performs a particular function. However, unlike parts in a car, the functions of each cellular component are not clear-cut, and there is a high degree of dependency and overlap between their functions. Experts in molecular biology dedicate their life to deciphering these complex functions and exploring the biological laws governing the operation of each cellular component. Moreover, cellular organelles are further composed of complex biological molecules such as the DNA, the RNA, proteins, lipids and carbohydrates, and many possible combinations among them. The task of a molecular biologist is to develop an understanding of how biological molecules come together to function as organelles, and ultimately as cells performing a particular function within the body.

Next: What does a Molecular Biologist do?

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