Although only about 10 percent as strong as covalent bonds, hydrogen bonds are crucial to life as we know it. They are responsible for many of the unique properties of water, for the tertiary structure of proteins, and for the interaction between purines and pyrimidines which contributes to the stability of the DNA double helix. Hydrogen bonding is also important in the hydrogen halides, ice, alcohols, oxy-acids, ammonia, amines, and amides.
Related categories CHEMICAL BONDING
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