The bonds/interactions which holds two antiparallel beta sheets together are (1) Disulphide bond (2) Covalent bond (3) Hydrogen bond (4) Hydrophobic interaction How Antiparallel Beta Sheets Are Held Together The […]
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CSIR NET Previous Year Questions on Biochemistry Stabilizing Interactions
Molecules that Form Intermolecular Hydrogen Bonds with Water
Which of the following molecule can in intermolecular hydrogen bonding with water? (1) Urea (2) CH4 (3) CCl4 (4) CHCl3 Molecules that Form Intermolecular Hydrogen Bonds with Water An important […]
CSIR NET Previous Year Questions on Biochemistry Stabilizing Interactions
Why H₂O is a Liquid and H₂S is a Gas at 25°C
H2O is a liquid whereas H2S is a gas at 250C. The reason for this is (1) the number of electrons in the outermost electron shells of oxygen and sulfur […]
CSIR NET Previous Year Questions on Biochemistry Stabilizing Interactions
Understanding the Donar…Acceptor Distance in Hydrogen Bonds
5. In a hydrogen bond of the type D-H…A, where D-H is a weakly acidic donor group and A is a lone-pair-bearing acceptor atom, the D…A distance is (1) one-and-a-half […]
CSIR NET Previous Year Questions on Biochemistry Stabilizing Interactions
Identifying the Weakest Hydrogen Bond
Out of the following hydrogen bonding schemes shown by … which one corresponds to the weakest hydrogen bond in a given solvent condition? (1) O-H …O
CSIR NET Previous Year Questions on Biochemistry Stabilizing Interactions
Hydrogen Bonding Between Hydrazine and Water
The maximum number of hydrogen bonds that can form between H2N – NH2 (hydrazine) and water is (1) 2 (2) 1 (3) 3 (4) 4 Hydrogen Bonding Between Hydrazine and […]
CSIR NET Previous Year Questions on Biochemistry Stabilizing Interactions
Optimal Hydrogen Bond Angle in Proteins
In proteins, hydrogen bonds form as follows: Donor (D)- H—-Acceptor (A). Hydrogen bond is more favorable if the angle between D-H and A is (1) 1800 (4) 1200 Optimal […]
CSIR NET Previous Year Questions on Biochemistry Stabilizing Interactions
Major Interaction Responsible for B-DNA Stability
Which one of the following interactions plays a major role in stabilizing B-DNA? (1) Hydrogen bond (2) Hydrophobic interactions (3) Van der Wall’s interactions (4) Ionic interactions Comprehending B-DNA Stability: […]
CSIR NET Previous Year Questions on Biochemistry Atoms & Molecules
Why is NaCl More Soluble in Water Than in Ethanol?
The Solubility of NaCl is greater in water than ethanol. What physical property of the solvent governs this difference ? (1) Surface tension (2) Viscosity (3) Dielectric constant (4 ) […]
CSIR NET Previous Year Questions on Biochemistry Atoms & Molecules
Electronegativity, π-Orbitals, Aromaticity & Dielectric Constant
11. Given below are some physicochemical properties (column X) and their manifestations (column Y). X […]
