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 is a symptom of coronary artery disease (CAD), the most common heart disease. CAD happens when a sticky substance called plaque builds up in the arteries that supply blood to the heart, reducing blood flow. There are three types of angina: 1  Stable angina is the most common type.