46 Nucleic Acids Nucleic acids are high molar mass polymers that play an essential role in protein synthesis. 1.â¯Deoxyribonucleic acid (DNA) 2.â¯Ribonucleic acid (RNA) DNA molecule has 2 helical strands. Each strand is made up of nucleotides.
Calcitriol is used to treat hyperparathyroidism (overactive parathyroid glands) and metabolic bone disease in people who have chronic kidney failure and are not receiving dialysis. Calcitriol is also used to treat calcium deficiency (hypocalcemia) and metabolic bone disease in people who are receiving dialysis. Calcitriol is also used to treat calcium deficiency in people with hypoparathyroidism (underactive parathyroid glands) caused by surgery, disease, or other conditions. Calcitriol may also be used for purposes not listed in this medication guide.
Atenolol (Tenormin) is in a group of drugs called beta-blockers. Beta-blockers affect the heart and circulation (blood flow through arteries and veins). Atenolol is used to treat angina (chest pain) and hypertension (high blood pressure). It is also used to treat or prevent heart attack.