What is meant by the term “polar” molecule?
Basic Chemistry For Biology
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Polar molecules have opposite charges at either end. “Polar” refers to the positive and negative sides of the molecule. If a molecule is polar, it will be attracted to other polar molecules; for example, water is a polar molecule. This can affect a wide range of chemical interactions, including whether a substance will dissolve in water, the shape of a protein, and even the complex structure of DNA.