Your cells contain two types of nucleic acids, ribonucleic acid and deoxyribonucleic acid, or RNA and DNA, respectively. They differ from the other macronutrients in that they are not a source of calories in your diet, and their role is strictly to direct the synthesis of new protein molecules.
The definition of a postgraduate is a student who is studying a subject beyond the college level when he already has a college degree. Someone attending medical school is an example of a postgraduate.
The PostGraduate Diploma is also offered in many UK higher education institutions. 8. Some award it at the same pass rate as Master's degrees (usually 50%); others award it at a lower pass rate (usually 40%) and sometimes award it to a candidate who has narrowly failed a Master's degree. 1.