TLS Online TPP Program

#Question id: 644


Enzyme X and Enzyme Y are both involved in monosaccharide metabolism. Enzyme X uses glucose as a substrate while Enzyme Y uses fructose as a substrate. At pH=7.0, Enzyme X has a Vmax of 10 μM/s while Enzyme Y has a Vmax of 20 μM/s. Both enzymes have a Km of 3.0 mM for their respective substrates. Which aspects of its reaction will be changed by Enzyme Y?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. The activation energy of the reaction and the energy of the product

  2. The rate of the reaction and the energy of the transition state

  3. The equilibrium position of the reaction and the energy of the substrate

  4. The reversibility of the reaction and the energy of the active site

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TLS Online TPP Program

#Question id: 23645

#General Aptitude

If 15 apples and 20 oranges cost as much as 20 apples and 15 oranges. How do you compare the costs of two?

TLS Online TPP Program

#Question id: 5056

#Unit 5. Developmental Biology

Cells of the responding tissue must have both a receptor protein for the inducing factor and the ability to respond to the signal. The ability to respond to a specific inductive signal is called as

TLS Online TPP Program

#Question id: 24592

#Unit 2. Cellular Organization

Which of the following enzyme is responsible for the packaging genome into the empty capsid

TLS Online TPP Program

#Question id: 423

#Unit 1. Molecules and their Interaction Relevant to Biology

The glycolytic pathway oxidizes glucose to two molecules of pyruvate and also produces a net of two molecules of ATP. ATP allosterically inhibits the enzyme, PFK-1, that catalyzes the third step of glycolysis. This is an example of ________.

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?