Stathmin enhances that a growing microtubule will switch to the shrinking state in which condition?

a) When it increases the effective concentration of tubulin subunits that are available for polymerization 

b) When it decreases the effective concentration of tubulin subunits that are available for polymerization 

c) When stathmin is in phosphorylated condition

d) When stathmin is in dephosphorylated condition

#Question id: 648

#Unit 1. Structure and Function of Biomolecules

Enzyme catalysis is regulated by a number of mechanisms. Also, the flux through metabolic pathways must be regulated. Given the metabolic pathway below, which choice accurately describes the regulation of compound G levels?

#Question id: 649

#Unit 1. Structure and Function of Biomolecules

Choose INCORRECT statement from the following

#Question id: 650

#Unit 1. Structure and Function of Biomolecules

On the basis of hypothetical binding curve given below, which of the following statement is INCORRECT

#Question id: 651

#Unit 1. Structure and Function of Biomolecules

Consider an enzyme catalysed reaction treated with inhibitor. Enzyme kinetic was analysed with Eadie Hofstee equation. A plot of V0 versus V0/[S] for an enzyme-catalyzed reaction is shown below. The control curve was obtained in the absence of inhibitor. Which effect is shown on the enzyme activity when an inhibitor is added to the reaction mixture?

#Question id: 652

#Unit 1. Structure and Function of Biomolecules

Two proteins, X and Y, bind to the same ligand, A, with the binding curves shown below. Which of the statement is correct for the graph analysing two proteins?

#Question id: 653

#Unit 1. Structure and Function of Biomolecules

For the enzyme-catalyzed reaction S ~ P, Keq = 5, which of the following curves best represents the change in [S] that occurs with time when S is added to a solution containing the appropriate enzyme?