TLS Online TPP Program

#Question id: 407


The reaction A + B -> C has a DG'° of –20 kJ/mol at 25° C.  Starting under standard conditions, one can predict that:

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. at equilibrium, the concentration of B will exceed the concentration of A.

  2. at equilibrium, the concentration of C will be less than the concentration of A.

  3. at equilibrium, the concentration of C will be much greater than the concentration of A or B.

  4. C will rapidly break down to A + B.

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TLS Online TPP Program

#Question id: 894

#Unit 1. Molecules and their Interaction Relevant to Biology

When stress conditions arise, or when protein synthesis threatens to overwhelm the protein-folding capacity of the ER, unfolded proteins can accumulate. These conditions trigger the unfolded protein response (UPR)

a) unfolded protein response ensures to reduces the rate of protein synthesis by mTOR pathway

b) Amyloid aggregates that form before the UPR can come into play may be removed. Some are degraded by autophagy

c) Amyloid aggregates that can be removed by other mechanism such as lysosomal degradations

d)  UPR also bring the various systems into alignment by increasing the concentration of chaperones in the oxygen deprived conditions

Which of the following statements would be incorrect?

TLS Online TPP Program

#Question id: 11952

#Unit 7. System Physiology – Animal

Lysine is an essential amino acid for animals. If an animal did not consume lysine in its diet, you might expect that the animal

TLS Online TPP Program

#Question id: 11850

#Unit 6. System Physiology – Plant

The first step in polar transport is auxin influx. According to the model, auxin can enter plant cells from any direction by either of two mechanisms:

a) Passive diffusion of the protonated (IAAH) form across the phospholipid bilayer

b) Secondary active transport of the dissociated (IAA–) form via a 2H+–IAA– symporter

c) Active diffusion of the protonated (IAAH) form across the phospholipid bilayer

Find out the correct statements of about diffusion of IAA.

TLS Online TPP Program

#Question id: 7546

#General Aptitude

Two families travelling from Meerut to Nagpur (which is 390 km distance) in two cars, started at the same time travelling through the same road, without any traffic block or any abjections. The ratio of the speed of the car-1 and car-2 is 6:7. After how long travelling car-1 has to exchange the speed with car-2 so that they could each the destination at the same time?

TLS Online TPP Program

#Question id: 11704

#Unit 7. System Physiology – Animal

Which of the following would be expected in a patient with a genetic deficiency in 11β- hydroxysteroid dehydrogenase type 2?