RNA. A type of nucleic acid consisting of nucleotide monomers with a ribose sugar and the nitrogenous bases adenine (A), cytosine (C), guanine (G), and uracil (U); usually single-stranded; functions in protein synthesis and as the genome of some viruses.
Underactive thyroid Photo Credit George Doyle/Stockbyte/Getty Images. It's hard to lose weight when your metabolism slows down, but there are things you can do. The thyroid, a butterfly-shaped gland in your throat, produces hormones that regulate many bodily functions, including metabolism.ollow a low-calorie diet. Anyone who wants to lose weight must burn more calories than are consumed. Unfortunately, for someone with an underactive thyroid, it can be difficult because the metabolism slows, meaning the body naturally burns fewer calories.
7. Body Temperature. One of the main physical signs is, of course, your body temperature. It is a symptom of low thyroid to have a sensation of frequently being chilly and with it, you may experience a weight loss issue too.f you have an underactive thryroid, without treatment weight loss seems hopeless. Weight loss isn't possible when your metabolism slows to a crawl. You feel fatigued, and your mind acts like it is in a fog. Most people do not realize how much thyroid imbalance can effect and change their quality of life.