Podcast
Questions and Answers
Which type of nucleotide biosynthetic pathway is almost identical in all organisms?
Which type of nucleotide biosynthetic pathway is almost identical in all organisms?
- De novo pathway (correct)
- Salvage pathway
- Neither de novo nor salvage pathways
- Both de novo and salvage pathways
From where do most organisms synthesize nucleotides in the salvage pathway?
From where do most organisms synthesize nucleotides in the salvage pathway?
- Carbamoyl phosphate synthase II
- Nucleosides or bases from diet or degradation of nucleic acids (correct)
- Extracellular hydrolysis of ingested nucleic acids
- Low molecular weight precursors
Which enzyme is involved in the de novo pathway of purine nucleotides?
Which enzyme is involved in the de novo pathway of purine nucleotides?
- Carbamoyl phosphate synthase II
- OMP decarboxylase
- ATCase (correct)
- Dihydroorotase
Which enzyme is involved in the pyrimidine biosynthesis pathway?
Which enzyme is involved in the pyrimidine biosynthesis pathway?
Which route represents the major way by which bases become available in animals?
Which route represents the major way by which bases become available in animals?