In crystalline NaCl, how many chloride ions surround each sodium ion? (1) Four (2) Six (3) Eight (4) Ten Crystal Structure of NaCl: Coordination Number and Ionic Arrangement What is […]
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CSIR NET Previous Year Questions on Biochemistry Atoms & Molecules
Isotones in Nuclear Science
2. Which of the following pair represents isotones? (1) 3H, 4He (2) 15N, 14N1 (3) 140Ba, 140Th (4) 1H, 3H Understanding Isotones: A Guide to Identifying Nuclear Similarities What […]
CSIR NET Previous Year Questions on Biochemistry Atoms & Molecules
Isotopes: Hydrogen, Deuterium, Tritium, and Carbon-14 Decay
From the following statements, A. Hydrogen, Deuterium and Tritium differ in the number of protons B. Hydrogen, Deuterium and Tritium differ in the number of neutrons C. Both Deuterium and […]
CSIR PYQ Biochemistry-Conformation of Proteins
Understanding Stability and Instability in Protein Folding
Which of the following is most unstable condition in protein folding? (1) Non-polar side chain exposed to outside (2) Polar side chain present in core of protein (3) Non polar […]
CSIR PYQ Biochemistry-Conformation of Proteins
Protein Folding and Amino Acid Side Chain Distribution
41. Which one of the following is the most appropriate statement regarding folded proteins? (1) Charged amino acid side chains are always buried. (2) Charged amino acid side chains are […]
CSIR PYQ Biochemistry-Conformation of Proteins
Protein Folding: Favorable and Unfavorable Interactions
Which one of the following is unfavorable for protein folding? (1) Hydrophobic interaction (2) van der Waals interaction (3) Conformational entropy (4) Hydrogen bonding Factors Affecting Protein Folding: Favorable and […]
CSIR PYQ Biochemistry-Conformation of Proteins
Structural and Functional Analysis of a 30-Residue Polypeptide
The following observations are made on a 30-residue polypeptide (a) Unordered structure is observed in water but a helical conformation is observed in medium of low dielectric constant. (b)The peptide […]
CSIR PYQ Biochemistry-Conformation of Proteins
Understanding Protein Conformation: Circular Dichroism, Ramachandran Map, and β-Turns
Following are statements related to peptide/protein conformation. A. The circular dichroism spectra of collagen and a protein in α-helical conformation will be identical. B. The allowed region for the dihedral […]
CSIR PYQ Biochemistry-Conformation of Proteins
Structure and Characteristics of Globular Proteins
Which statement is correct for globular proteins? (1) Always contain only α helix (2) Always contain only β sheets (3) Contains more reverse turns (4) Contains α helix, β sheets […]
CSIR PYQ Biochemistry-Conformation of Proteins
Understanding Protein Folding, van der Waals Interactions,
Out of the statements mentioned below A. L-threonine and L-allo-threonine interact identically with plane polarized light. B. van der Waals’ interactions are always attractive. C. Poly (pro) ll-helix is not […]
