| How likely is it that these mutations in the nicotinic receptor genes completely eliminate the functional activity of the encoded receptor protein? |
| In muscle cells, nicotinic receptors present at the neuromuscular junction mediate rapid excitation that leads to muscle contraction. |
| Because of its ability to cause large reductions in circulating levels of cholesterol, nicotinic acid is used to treat Type II, III, IV and V hyperlipoproteinemias. |
| The active principle is in the defatted portion of the seed, which contains the alkaloid trigonelline, nicotinic acid, and coumarin. |
| Ketamine also indirectly interacts with a number of cellular receptors including the muscarinic, nicotinic, cholinergic, and opioid receptors. |
| Thus, the enzymes nicotinic acid mononucleotide adenylyltransferase and NAD synthetase are essential for growth of E. coli. |
