5. Hydrogen bonds in proteins occur when two electronegative atoms compete for the same hydrogen atom Donor-H…..Acceptor The angle ‘ Ꝋ ‘ between donor and acceptor of a hydrogen bond […]
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CSIR NET Previous Year Questions and Solutions on Stability of Proteins and Nucleic Acids
Solubility of Protein X in Solutions of Ammonium Sulfate
4. Protein X is an all helical protein with 100 amino acids including 2 cysteines and a pl of 7.0. Which one of the following graphs best describes the solubility […]
CSIR NET Previous Year Questions and Solutions on Stability of Proteins and Nucleic Acids
Investigating the Stability of Proteins Under Different Conditions
A researcher investigated the a set of conditions for a protein with an isoelectric point of 6.5 and also bind to subjected to four calcium. This protein was independent treatments: […]
CSIR NET Previous Year Questions and Solutions on Stability of Proteins and Nucleic Acids
The Stability of Proteins: Implications of Amino Acid Replacement
A researcher has developed a program to evaluate the stability of a protein by substituting each amino acid at a time by the other 19 amino acids. For a protein, […]
CSIR NET Previous Year Questions and Solutions on Stability of Proteins and Nucleic Acids
How Glycerol Stabilizes Solutions of Proteins
Glycerol is added to protein solutions to stabilize the preparations by (1) increasing the viscosity of solution (2) stabilizing the pH (3) preferential hydration of proteins (4) interacting and neutralising […]
CSIR NET Previous Year Questions on Biochemistry Stabilizing Interactions
Various Types of Molecular Interactions
Match the following bonds with their approximate energies: (1) (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i) (2) (a)-(ii), (b)-(i), (c)-(iii), (d)-(iv) (3) (a)-(i), (b)-(iv), (c)-(ii), (d)-(iii) (4) (a)-(iv), (b)-(i), (c)-(iii), (d)-(ii) Introduction to […]
CSIR NET Previous Year Questions on Biochemistry Stabilizing Interactions
Most Distance-Sensitive Non-Covalent Interaction Between Atoms
Which one of the following non-covalent interactions between two non-bonded atoms A and B is most sensitive to the distance between them? (1) A and B are permanent dipoles and […]
CSIR NET Previous Year Questions on Biochemistry Stabilizing Interactions
Van der Waals Interactions
21. If van der Waals interaction is described by the following relation. Where ΔGvan is the free energy of the van der Waals interaction, A and B are constants, r […]
CSIR NET Previous Year Questions on Biochemistry Stabilizing Interactions
Weakest bond in biochemistry
There are various types of bonds in biochemistry like covalent bond, Ionic bond, Vanderwaals and hydrogen bond. Among the following the weakest bond is (1) Ionic bond (2) covalent bond […]
CSIR NET Previous Year Questions on Biochemistry Stabilizing Interactions
Interactions That Stabilize Biological Membranes
Predominant interactions between phospholipids that stabilize a biological membrane include (1) hydrogen bonds and covalent interactions. (2) van der Waal and ionic interactions. (3) hydrophobic interactions and hydrogen bonding. (4) […]
