Tutorial

4. A purine base
5. The prosthetic group of Acetyl-CoA Carboxylase
6. Inborn error due to absence of homogentisate oxidase activity
8. The step in the fatty acid synthesis cycle that uses NADPH
12. The sugar component of deoxyribonucleotides
14. Amino acid whose carbon skeleton can be converted to glucose
16. Toxic compound removed by the urea cycle
17. The molecule used to transport Acetyl-CoA out of the mitochondria
19. The first biosynthesised purine nucleotide, with hypoxanthine as its base
20. Syndrome caused by the absence of HGPRTase activity
21. Product of the urea cycle, excreted by the kidney

1. The committed step in pyrimidine synthesis in animals is catalyzed by this cytosolic enzyme
2. The purine base that is an analog of 6-Mercaptopurine
3. The 16-carbon saturated fatty acid that is the final product of the main synthesis pathway
7. Compound that initiates and is regenerated by the urea cycle
9. Amino acid that plays a major role in both degradation and synthesis
10. A degradation product of glucogenic amino acids like Alanine
11. The end product of purine catabolism, whose excess causes gout
13. The pathway that recycles free bases or nucleosides from nucleic acid breakdown
15. Intermediate of the urea cycle that is exported from the mitochondria to the cytosol
18. Amino acid that contributes the second nitrogen atom to urea