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.
What are the Symptoms of Cushingâs Syndrome? The main signs and symptoms are shown in Table 1. Not all people with the condition have all these signs and symptoms. Some people have few or âmildâ symptoms â perhaps just weight gain and irregular menstrual periods. Other people with a more âsevereâ form of the disease may have nearly all the symptoms. The most common symptoms in adults are weight gain (especially in the trunk, and often not accompanied by weight gain in the arms and legs), high blood pressure (hypertension), and changes in memory, mood and concentration.