Practice Questions

TLS Online TPP Program

#Question id: 18217

Which of the following is untrue about homology modeling?

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

It doesn’t involve the evolutionary distances anywhere
The principle behind it is that if two proteins share a high enough sequence similarity, they are likely to have very similar three-dimensional structures
Homology modeling predicts protein structures based on sequence homology with known structures
It is also known as comparative modeling

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TLS Online TPP Program

#Question id: 21160

#Section 5: Bioprocess Engineering and Process Biotechnology

If the time required to change the concentration of reactant to half its original value is independent of the initial concentration, the order of reaction is

TLS Online TPP Program

#Question id: 21161

#Section 5: Bioprocess Engineering and Process Biotechnology

If CA is the quantity of reactants initially present, the quantity left after 'n' half periods will be equal to

TLS Online TPP Program

#Question id: 21162

#Section 5: Bioprocess Engineering and Process Biotechnology

A first order homogeneous reaction of the type X Y Z (consecutive reaction) is carried out in a CSTR. Which of the following curves respectively show the variation of the concentration of X, Y and Z with time?

TLS Online TPP Program

#Question id: 21163

#Section 5: Bioprocess Engineering and Process Biotechnology

The half life period of a first order reaction is given by (where, K = rate constant. )

TLS Online TPP Program

#Question id: 21164

#Section 5: Bioprocess Engineering and Process Biotechnology

Half life period of a chemical reaction is

TLS Online TPP Program

#Question id: 21264

#Section 5: Bioprocess Engineering and Process Biotechnology

According to the 'law of mass action', the rate of reaction is directly proportional to the