Urea Cycle- Enzymes and Steps

Urea Cycle- Enzymes and Steps

The urea cycle is the metabolic pathway that transforms nitrogen to urea for excretion from the body. Nitrogenous excretory products are removed from the body mainly in the urine. Ammonia, … Read more

Nucleic Acids- Nucleosides and Nucleotides

Nucleosides and Nucleotides

Nucleotide is any member of the class of organic compounds in which the molecular structure comprises a nitrogen-containing unit (base) linked to a sugar and a phosphate group.  They are monomeric units of nucleic … Read more

De novo pyrimidine synthesis

De novo pyrimidine synthesis

Biosynthesis of pyrimidine nucleotides can occur by a de novo pathway or by the reutilization of preformed pyrimidine bases or ribonucleosides (salvage pathway). The pyrimidine synthesis is a similar process than that of purines. In … Read more