Poly- L -leucine in an organic solvent such as dioxane is a helical, whereas poly- L isoleucine is not. Why do these amino acids with the same number and kinds of atoms have different helix-forming tendencies?

TLS Online TPP Program

#Question id: 32361

#Unit 1. Molecules and their Interaction Relevant to Biology

Phosphoglycerate mutase catalyses a reversible shift of the phosphoryl group between C-2 and C-3 of glycerate; which of the following ion is essential for this reaction

TLS Online TPP Program

#Question id: 32362

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following reaction is catalyzes by enolase during Glycolysis

TLS Online TPP Program

#Question id: 32363

#Unit 1. Molecules and their Interaction Relevant to Biology

Inorganic fluoride inhibits enolase.  In an anaerobic system that is metabolizing glucose as a substrate, which of the following compounds would you expect to increase in concentration following the addition of fluoride?

TLS Online TPP Program

#Question id: 32364

#Unit 2. Cellular Organization

Formin has a binding site for all, except:

TLS Online TPP Program

#Question id: 32365

#Unit 2. Cellular Organization

Which of the following statements is TRUE regarding the role of nucleotide hydrolysis in microfilament treadmilling?

TLS Online TPP Program

#Question id: 32366

#Unit 2. Cellular Organization

Following proteins which are involve in Actin filament assembly.

I. Profilin

II. Cofilin

III. Thymosin

IV. Formin

V. Actin–profilin complex

VI. Actin–thymosin complex

VII. Actin–cofilin complex

VIII. Actin–formin complex

Which of the following combination is correct?