Practice Questions

TLS Online TPP Program

#Question id: 565

A transition-state analog:

#XL - Q Biochemistry

is less stable when binding to an enzyme than the normal substrate.
resembles the active site of general acid-base enzymes.
resembles the transition-state structure of the normal enzyme-substrate complex.
stabilizes the transition state for the normal enzyme-substrate complex.

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TLS Online TPP Program

#Question id: 3902

#XL - Q Biochemistry

Which of the following is/are incorrect?

TLS Online TPP Program

#Question id: 3052

#XL - S Microbiology

How many average CFU will form on petriplate if 0.1ml sample plating from 104 diluted sample (original sample contain 3x10^7 bacteria per ml)

TLS Online TPP Program

#Question id: 4958

#XL - S Microbiology

What is true of the fossil record of mammalian origins?

TLS Online TPP Program

#Question id: 5245

#XL - S Microbiology

Which method of gene transfer involves direct contact between the bacteria?

TLS Online TPP Program

#Question id: 10772

#XL - T Zoology

In an experiment plant RR round genotype have 100 seeds. In F1 generation 70 seeds are round and 30 seeds are wrinkled. So what will be

the penetrance value for round seeds?