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Author Question: A tetrahedral carbon atom will be chiral if it has four ________ groups attached to it. (Read 44 times) |
Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.