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What is Molecular Biology?

Molecular biology is the science of study ofallowed the progress of medicine to advance
biology at the molecular level. Williamto such a degree so that we may begin to
Astbury in Nature described molecular biologycure the previously incurable, and to
as:eventually find cures for every disease
that  afflicts  human  kind.
"... not so much a technique as an approach,
an approach from the viewpoint of theMolecular biology depends not only on biology
so-called basic sciences with the leadingbut also chemistry, genetics, and
idea of searching below the large-scalebiochemistry. The understanding of the
manifestations of classical biology for theinteractions between DNA, RNA, proteins and
corresponding molecular plan. It is concernedlipids is vital in understanding how cells
particularly with the forms of biologicalwork and how diseases affect these
molecules and ..... is predominantlyinteractions. Researchers and scientists
three-dimensional and structural - which doesare slowly piecing together these
not mean, however, that it is merely ainteractions and how each biological
refinement of morphology - it must at themolecule functions. By understanding this,
same time inquire into genesis andscientists can then examine disease
function" (W.T. Astbury, Nature 190, 1124.conditions, and see if the function of any
1961)of the molecules has changed. If a molecule
or interaction is affected by disease,
Molecular biology has allowed us to uncoverscientists can then create therapies which
the mysteries of the human body, viruses,target these alterations and repair them.
bacteria and all other life. As such, it has



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