Analytical Tools In Biotechnology - Study Mode

[#61] Which one of the following techniques can be used to determine the structure of a 15 kDa globular protein at atomic resolution?
Correct Answer

(D) NMR spectroscopy

[#62] Which of the following has to be computed to determine transmittance and absorbance at various frequencies?
Correct Answer

(B) Ratio of sample and reference spectra

[#63] Which of the following is the function of the chopper in Atomic Absorption Spectroscopy?
Correct Answer

(B) To break the steady light into a pulsating light

[#64] Which of the following is not a fuel used in flame photometry?
Correct Answer

(D) Camphor oil

[#65] 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.
Correct Answer

(A) Both (A) and (R) are true and (R) is the correct reason for (A)