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).

More Questions

#Question id: 4213

#Unit 3. Fundamental Processes

Which statement describes the correct order of events in prokaryotic translation initiation?

#Question id: 29437

#Unit 6. System Physiology – Plant

Important chemical reactions involved in Nitrate assimilation at roots are given

a. a & b both is Nitrate reductase

b. a & b both is NADPH nitrite reductase

c. a is Nitrate reductase and reaction takes place in plastid

d. a is Nitrate reductase and b is NADPH nitrite reductase

Choose the correct statement made regarding the above reactions of the following

#Question id: 12892

#General Aptitude

#Question id: 346

#Unit 1. Molecules and their Interaction Relevant to Biology

The partial negative charge in a molecule of water occurs because ________.

#Question id: 4740

#Unit 8. Inheritance Biology

Following metabolic pathway for synthesis of anthocyanin product ? Which of the following cross produced all purple phenotype in their progeny ?