Practice Questions

TLS Online TPP Program

#Question id: 617

Compare the two reaction coordinate diagrams below and select the answer that correctly describes their relationship. In each case, the single intermediate is the ES complex.

#Unit 1. Molecules and their Interaction Relevant to Biology

(a) describes a strict “lock and key” model, whereas (b) describes a transition-state complementarity model.
The activation energy for the catalyzed reaction is #5 in (a) and is #7 in (b).
The activation energy for the uncatalyzed reaction is given by #5 + #6 in (a) and by #7 + #4 in (b).
The contribution of binding energy is given by #5 in (a) and by #7 in (b).

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TLS Online TPP Program

#Question id: 10245

#Unit 10. Ecological Principles

Which of the following exemplifies an evenly spaced distribution?

TLS Online TPP Program

#Question id: 24454

#Unit 7. System Physiology – Animal

A 45-year-old female who had never needed to wear glasses experienced difficulty reading a menu in a dimly-lit restaurant. She then recalled that as of late she needed to have the newspaper closer to her eyes in order to read it. A friend recommended she purchase reading glasses. Visual accommodation involves

TLS Online TPP Program

#Question id: 5950

#General Aptitude

A non-leap year, find the minimum number of days between one Friday the 13th and the next Friday the 13th?

TLS Online TPP Program

#Question id: 23984

#Unit 8. Inheritance Biology

Deletion within the human genome on that sequence that are highly evolutionary conserved with their closely related organism, such conserved deletion is

TLS Online TPP Program

#Question id: 18660

#Unit 13. Methods in Biology

In Gradient Gel system gel from 5 to 25 % is used, which created sieving effect due to this effect