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Free Online Biochemistry Course and Class Overviews Several prominent colleges and universities offer free biochemistry courses online. The courses are the same as the ones taken on campus, with the exception that a student does not earn college credit for coursework. Some colleges provide OpenCourseWare (OCW) programs to online students. The courses cost nothing and are the school's way to pay back the community that supports them. Massachusetts Institute of Technology, the University of Arizona and the University of Akron all offer free online biochemistry courses.
Biochemistry is closely related to molecular biology, the study of the molecular mechanisms by which genetic information encoded in DNA is able to result in the processes of life. Depending on the exact definition of the terms used, molecular biology can be thought of as a branch of biochemistry, or biochemistry as a tool with which to investigate and study molecular biology. Much of biochemistry deals with the structures, functions and interactions of biological macromolecules, such as proteins, nucleic acids, carbohydrates and lipids, which provide the structure of cells and perform many of the functions associated with life. The chemistry of the cell also depends on the reactions of smaller molecules and ions. These can be inorganic, for example water and metal ions, or organic, for example the amino acids which are used to synthesize proteins.