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231. Schiff’s reaction was developed by
A. Taylor
B. Schiff
C. Fuelgen and Rossenbeck
D. Schultze
Explanation:
232. X-ray diffraction photomicrographs of DNA used for preparing DNA model by Watson and Crick were obtained by
A. Bragg
B. Kirkpatrick
C. Astbury and Franklin
D. White
Explanation:
233. Palladium or gold salts are used in staining section for
A. Superior optical microscope
B. Electron microscope
C. Ultraviolet microscope
D. Interference microscope
Explanation:
234. Ultramicrotome cuts sections with the thickness of
A. 1 – 5 μm
B. 0.5 – 2.0 μm
C. 100 – 500 nm
D. 20 – 100 nm
Explanation:
235. Scientist to first employ magnifying glass for studying living beings was
A. Robert Hooke
B. Huxley
C. Gesner
D. Tolles
Explanation:
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