Purines and you may pyrimidines is the several categories of nitrogenous angles that make up nucleic acids – in other words, they are the building blocks off DNA and RNA. While they are comparable a number of areas, there are a number of key differences when considering her or him you would be expected to understand toward AP® test. In advance of we become into those, although not, let us definitely know very well what purines and you will pyrimidines are incredibly you can admit questions regarding him or her even when the text are tricky.
Just what are Purines and you can Pyrimidines?: The basic principles
For each and every DNA strand keeps a ‘backbone’ which is composed of a glucose-phosphate chain.