A microbial population declines from 1×10⁸CFU/mL to 1×10⁴CFU/mL in 30 minutes during thermal processing. Assuming first-order death kinetics, calculate the decimal reduction time (D-value) in minutes.

(Use: 𝑁=𝑁₀×10^{−𝑡 / 𝐷})

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#Question id: 817

#XL - Q Biochemistry

The aggregation of nonpolar side chains in the interior of a protein is favored by

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#Question id: 818

#XL - Q Biochemistry

Which one of the following weak interactions have central features of protein structures, but makes only minor contributions to protein stability?

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#Question id: 819

#XL - Q Biochemistry

Heat treated protein’s losses its stability and some changes abruptly over a narrow range, which can be measured in terms of-

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#Question id: 820

#XL - Q Biochemistry

The protein unfolding  or protein denaturation is

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#Question id: 821

#XL - Q Biochemistry

Why the thermophilic bacteria’s are not melted at the temp on which the most of the proteins have melts?

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#Question id: 822

#XL - Q Biochemistry

Detergents commonly used protein denaturations by interacting with