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 […]
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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: […]
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RPSC College Lectureship Botany Zoology Interview Preparation
RPSC College Lectureship Interview Preparation – Botany & Zoology by Let’s Talk Academy Understanding the RPSC Interview Process The RPSC College Lectureship interview panel consists of 3-4 members, including a […]
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 […]
CSIR NET Previous Year Questions on Biochemistry Atoms & Molecules
The Effect of Radioactive Phosphorus on DNA Stability
When a radioactive phosphorus is incorporated into DNA strand, the phosphodiester bond generally break after a short while because- (1) The bond strength of phosphorus decreases (2) Phosphorus on radioactive […]
