The differences in nucleic acid atomic structure, namely the Hydrogen Bonds - 2 for an AT pair and 3 for a GC pair -, are way too small to be called 'subunits'. Edit Share to:
What is Inderal? Inderal (propranolol) is a beta-blocker. Beta-blockers affect the heart and circulation (blood flow through arteries and veins). Inderal is used to treat tremors, angina (chest pain), hypertension (high blood pressure), heart rhythm disorders, and other heart or circulatory conditions. It is also used to treat or prevent heart attack, and to reduce the severity and frequency of migraine headaches.
Angina, or angina pectoris, is a medical term for the symptoms caused by the heart not getting enough oxygen from the arteries that supply the heart with blood. When these arteries become narrowed or blocked over time, it is called coronary artery disease (CAD) , and it can cause angina.ngina, or angina pectoris, is a medical term for the symptoms caused by the heart not getting enough oxygen from the arteries that supply the heart with blood. When these arteries become narrowed or blocked over time, it is called coronary artery disease (CAD) , and it can cause angina.