The free energy ΔG of a dissolved solute

• Increases with solute concentration

• Decreases with solute concentration

• Is independent of solute concentration

• Depends only on temperature

Precursor for amino acid proline is

• Pyruvate

• 3-Phosphoglycerate

• Oxalo acetate

• L-glutamate

Under certain conditions pyruvate can be allowed to decarboxylate into acetyl CoA and CO₂. For evolution of ¹⁴C labeled carbon in CO₂, which carbon atom must be radiolabelled in glucose prior to glycolysis.

• C1 or C6

• C2 or C3

• C3 or C4

• C5 or C2

Graves’ disease is associated with

• Insufficiency of thyroid hormone

• Excess of thyroid hormone

• Insufficiency of corticosteroids

• Excess of growth hormones

With which protein of Yersinia would integrin proteins of mammalian cells interact for internalization?

• Pilin

• Fimbrin

• Invasin

• Adherin

The position of collagen triple helix in Ramachndran plot is at-

• Top Left

• Top Right

• Bottom Right

• Bottom Left

Among the following which enzyme used NAD as cofactor?

• Histone acetyl transferase

• Histone methyl transferase

• Histone deacetylase

• Histone demethylase

Among the following which is not responsible for producing near UV signal in circular dichroism for secondary structure determination of proteins?

• Tyrosine

• Tryptophan

• Disulphide bond

• Peptide bond

β-α-β structure inprotein structure are known for

• ligand binding

• Stereological hindrance in binding of ligand

• Catalytic center

• Trans-membrane domain

Which of the following is most unstable condition in protein folding?

• Non-polar side chain exposed to outside

• Polar side chain present in core of protein

• Non-polar side chains in core of protein

• Polar amino acids exposed to outside