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.
Losing weight is never easy, but people who have their hypothyroidism well-controlled shouldnât struggle to lose weight more than anyone else, says Leonor Corsino, MD, an endocrinologist at the Duke Center for Metabolic and Weight Loss Surgery in Durham, North Carolina.ealthy foods, controlled portion sizes, and regular exercise â these are key components to losing weight. But if you have hypothyroidism, your underactive thyroid gland also plays a role.