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Biotechnology Engineering · all questions

Analytical Tools in Biotechnology
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Which one of the following techniques can be used to determine the structure of a 15 kDa globular protein at atomic resolution?

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Which of the following has to be computed to determine transmittance and absorbance at various frequencies?

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Which of the following is the function of the chopper in Atomic Absorption Spectroscopy?

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Which of the following is not a fuel used in flame photometry?

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Determine the correctness or otherwise of the following Assertion (A) and the Reason (R).
Assertion: MTT assay is used to determine cell viability based on the principle of color formation by DNA fragmentation.
Reason: MTT assay is used to determine cell viability based on the color development by converting tetrazolium soluble sail to insoluble salt.

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Which of the following is not a limitation of Beer Lambert's law, which gives the relation between absorption, thickness and concentration?

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Phototubes are more sensitive than photovoltaic cells.

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Velocity of electromagnetic radiation is more in a vacuum than in any medium.

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Which of the following is the wavelength of microwave radiation?

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Which of the following is not a detector used in Flame emission photometers?

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Which of the following is not a component of the emission system in Flame photometer?

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Which of the following is the advantage of prism monochromators?

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Electromagnetic radiation can travel through a vacuum.

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Which of the following is not an advantage of Laminar flow burner used in Flame photometry?

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The representation of Beer Lambert's law is given as A = abc. If 'b' represents distance, 'c' represents concentration and 'A' represents absorption, what does 'a' represent?

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Which type of Quantum Transition takes place in Ultra Violet and Visible spectroscopy?

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Which of the following is the function of the atomiser in the emission system of Atomic Absorption Spectroscopy?

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Which of the following is a source used in spectroscopy?

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In which of the following ways, absorption is related to transmittance?

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Which of the following is not a reason for laser not being generally used as a source of radiation for UV, Visible Spectroscopy?

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