An infant with maple syrup urine disease, although very sick, will not be revealed by standard investigations. Plasma amino acids are required to reveal the diagnostic elevation of the branched chain ...
Twenty kinds of amino acids make up proteins found in the human body. Of these amino acids, isoleucine and valine, both of which human bodies cannot synthesize, have been discovered in the soil ...
See what you remember about this extraordinary year by taking our special 2024 news quiz. Compiled by The Learning Network “Elf,” “Home Alone” or “A Charlie Brown Christmas” — what ...