A: Nucleic acids are made up of monomers called nucleotides. Each nucleotide consists of a five-carbon sugar, a phosphate group and a nitrogenous base. Repeating nucleotides create nucleic acids such as DNA, or deoxyribonucleic acid, and RNA, or ribonucleic acid.
Pain and discomfort are the main symptoms of angina. Angina often is described as pressure, squeezing, burning, or tightness in the chest. The pain or discomfort usually starts behind the breastbone.Pain from angina also can occur in the arms, shoulders, neck, jaw, throat, or back.ngina often is described as pressure, squeezing, burning, or tightness in the chest. The pain or discomfort usually starts behind the breastbone. Pain from angina also can occur in the arms, shoulders, neck, jaw, throat, or back.
Track your angina symptoms with our Angina Log. Treatment of Angina Pectoris People with angina pectoris or sometimes referred to as stable angina have episodes of chest pain. The discomfort that are usually predictable and manageable. You might experience it while running or if youâre dealing with stress. Normally this type of chest discomfort is relieved with rest, nitroglycerin or both.