A substance that contains polar covalent bonds may not be overall polar. This is due to the shape of the molecule. Water molecules are polar molecules. Both of the bonds inside the molecule are polar ...
THERE is an increasing tendency on the part of organic chemists to apply the Berzelius dualistic theory, in a modified form, to organic compounds. In many theories of valency, individual groups are ...
BIOLOGICAL properties of proteins depend on the higher levels of their structure, determined by the primary structure. As has been shown by Fisher 1, the knowledge of the amino-acid composition ...
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