Question

What type of chemical bond stabilizes the 3 dimensional shapes of nucleic acids and proteins? a....

What type of chemical bond stabilizes the 3 dimensional shapes of nucleic acids and proteins?

a. covalent bonds

b. ionic bonds

c. hydrogen bonds

d. pH

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Answer #1

The correct option is C. Hydrogen bonds.

Non-covalent interactions are essential in maintenance of the three-dimensional structure of large molecules like as proteins and nucleic acids. Three-dimensional structures of proteins called as secondary and tertiary structures, which are stabilized by formation of hydrogen bonds and disulfide bridges. Secondary structure is the set of interactions between bases in nucleic acids. In DNA double helix, the two strands of DNA are held together by hydrogen bonds . The secondary structure is responsible for the shape of the nucleic acid.

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