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.
Definition of postgraduate for English Language Learners. : a student who continues to study for an advanced degree after earning a bachelor's degree or other first degree : a graduate student.
In the UK... In the UK, the descriptors as to what constitutes an Undergraduate / Bachelors Degree and a Graduate (Master's or Doctoral) degree is set by the Quality Assurance Agency for Higher Education (QAA) in their document The framework for higher education qualifications in England, Wales and Northern Ireland.hus, the graduate study is advanced course work which follows undergraduate course work. An undergraduate degree is awarded for the completion of 2 years (associates) or 4 years (bachelors) of college level study.