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<p><span style="color: rgb(33, 37, 41); font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; letter-spacing: 0.7px; text-align: justify;">Students of biology usually find it difficult to grasp the basic principles of these techniques owing to their mathematical bias. The book attempts to present a non-mathematical account of the underlying principles of a variety of experimental techniques including electron microscopy spectroscopy ultracentrifugation etc. and should be useful to all students of biology at graduate andpostgraduate levels.</span><br></p>