LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What bond occurs between and within molecules which stabilize structures such as proteins and nucleic acids?
A
Hydrogen bond
B
Hydrophobic bond
C
Ionic bonds
D
van der Waals forces
Explanation: 

Detailed explanation-1: -These hydrogen bonds have been implicated in many intermolecular interactions, including those involving protein-protein, protein-ligand, and protein-nucleic acid complexes.

Detailed explanation-2: -Hydrogen bonds in a protein molecule. Large numbers of hydrogen bonds form between adjacent regions of the folded polypeptide chain and help stabilize its three-dimensional shape.

Detailed explanation-3: -Important types of bonds involved in protein structure and conformation are Peptide bonds, Ionic bonds, Disulfide bonds, Hydrogen bonds and Hydrophobic Interactions. There are 5 types of chemical bonds that play important roles in determining and stabilizing 3-D protein structure.

Detailed explanation-4: -Among these forces, the non-specific hydrophobic interaction is the main force driving the folding of protein, while hydrogen bonds and disulfide bonds are responsible for maintaining the stable structure.

Detailed explanation-5: -In biology, intramolecular hydrogen bonding is partly responsible for the secondary, tertiary, and quaternary structures of proteins and nucleic acids. The hydrogen bonds help the proteins and nucleic acids form and maintain specific shapes.

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