Nicotinamide Adenine Dinucleotide (NAD)

In mammals and semi-terrestrial adult amphibians, urea is a major nitrogenous excretory product, therefore these animals are called ureotelic.

De novo pyrimidine synthesis is more widespread than de novo purine synthesis. Although mammals synthesize both purines and pyrimidines de novo, protozoan parasites can salvage purines from the purine pools of their host cells but obtain their pyrimidines via de novo synthesis only. ©️ www.sciencedirect.com

The first modern Olympics were held in Athens, Greece, in 1896.

The first fully Indian Bank is Punjab National Bank.