Cholesterol occurs in membranes of (1) only prokaryotes (2) All eukaryotes (3) All higher animals (4) Only plants Why Cholesterol Is Found Only in the Cell Membranes of Higher Animals […]
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CSIR NET Previous Year Questions and Solutions on MEMBRANE STRUCTURE
Hydrophobicity Is Essential for Proteins to Embed in Membranes
The important property needed in a protein to be an intrinsic in a membrane is (1) Hydrophilic (2) Hydrophobic (3) Highly assembled (4) Linear Why Hydrophobicity Is Essential for Proteins […]
CSIR NET Previous Year Questions and Solutions on MEMBRANE STRUCTURE
How Long Unsaturated Fatty Acids Affect the Melting Point
For an unsaturated fatty acid (1) melting point is increased by the length of the hydrocarbon tail and increased by the degree of unsaturation. (2) melting point is decreased by […]
CSIR NET Previous Year Questions and Solutions on Stability of Proteins and Nucleic Acids
Interpreting Hydrogen Bond Angles in Protein Structures
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 […]
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 […]
