TLS Online TPP Program
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TLS Online TPP Program
#Question id: 32717
#Unit 1. Molecules and their Interaction Relevant to Biology
The enzyme urease enhances the rate of urea hydrolysis at pH 8.0 and 20oC by a factor of 1014. If a given quantity of urease can completely hydrolyze a given quantity of urea in 5.0 min at 20oC and pH 8.0, how long would it take for this amount of urea to be hydrolyzed under the same conditions in the absence of urease?
TLS Online TPP Program
#Question id: 32718
#Unit 1. Molecules and their Interaction Relevant to Biology
When enzyme solutions are heated, there is a progressive loss of catalytic activity over time due to denaturation of the enzyme. A solution of the enzyme hexokinase incubated at 45oC lost 50% of its activity in 12 min, but when incubated at 45oC in the presence of a very large concentration of one of its substrates, it lost only 3% of its activity in 12 min. What is correct explanation
TLS Online TPP Program
#Question id: 33103
#Unit 1. Molecules and their Interaction Relevant to Biology
In the given figure
TLS Online TPP Program
#Question id: 33104
#Unit 1. Molecules and their Interaction Relevant to Biology
What can be best concluded from the given figure
TLS Online TPP Program
#Question id: 33105
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of following statement is/are correct
A. Some weak interactions are formed in the ES complex,
B. Full complement of such interactions between substrate and enzyme is formed only when the substrate reaches the transition state.
C. Induced fit model best explains binding of substrate in transition state
D. Binding energy concept of catalysed reaction is best suits to induced fit model
TLS Online TPP Program
#Question id: 33106
#Unit 1. Molecules and their Interaction Relevant to Biology
Specificity of an enzymes solely depends on