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Stacy Chidyausiku
Weeks 4-5
| Term | Definition |
|---|---|
| SALTY | Detects sodium ions (Na+) but can also respond to potassium (K+) and some other ions |
| SWEET | Detects sugars such as glucose and sucrose but can also respond to sweet amino acids and artificial sweeteners |
| SOUR | Detects acids and other sour chemicals |
| BITTER | Detects plant toxins called alkaloids, along with other chemicals |
| UMAMI | Called savory taste, detects l-glutamate amino acids found in meats and other savory foods |
| CALCIUM | Detects calcium ions (Ca2+) found in spinach, dairy foods, and other foods |
| Carbon Dioxide | Detects the distinctive taste sensation created by dissolved CO2 |
| Water | Allows us to detect the moisture, or “wetness,” of food |
| Trigeminal sense can detect | Pain caused by peppery spices and foods Coolness of minty foods and spices Bite of some alcoholic beverages Other irritants |
| Arginine | Often converted to nitric oxide (NO), which is used as a neurotransmitter and as a local regulator |
| Arginine, glycine, and methionine are used | To produce creatine phosphate, an important energy molecule in muscle cells |
| Glutamine (glutamic acid) | Can be used directly as a neurotransmitter or can be used to make the neurotransmitter GABA (gamma-aminobutyric acid) |
| Glycine | Can be converted to the heme group in hemoglobin, acting as a buffer and carrying oxygen in the blood |
| Histidine | Can be converted into the neurotransmitter and local regulator histamine |