Which is not a direct precursor of pyrimidines in their de novo biosynthesis?
A) glutamine B) glycine C) aspartate D) HCO3
Which is not a direct precursor of pyrimidines in their de novo biosynthesis? A) glutamine B)...
3. Draw an the mechanism showing how the glutamine-PRPP amidotransferase adds biosynthesis. 4. Aspartate is highly involved in the biosynthesis of purines and pyrimidines. Show the two steps where aspartate-derived nitrogen is added in the synthetic pathway leading to adenosine 5-monophosphate (AMP) 5. Show the steps where asparatate-derived nitrogen is added in the synthesis cytosine 5-monophosphate (CMP) 3. Draw an the mechanism showing how the glutamine-PRPP amidotransferase adds biosynthesis. 4. Aspartate is highly involved in the biosynthesis of purines and...
How does PRPP figure into de novo and salvage pathways for nucleotide biosynthesis.
help solve Which amino acids are required for the synthesis of Pyrimidines? Select one or more: a. Serine O b. Aspartate c. Threonine d. Glutamine
Draw the pathway for de novo CTP biosynthesis. Show the structures and names of all reactants and products, as well as the name of the enzymes.
The ____ ring is built onto ribose-5-phosphate of PRPP for its de-novo nucleotide biosynthesis, while the ring structure of the ______ bases are synthesized separately and then coupled to ribose-5-phosphate via the C-N glycosidic bond. Select one: a. inosine : adenine b. inosine : uracil c. uracil : inosine d. uracil : adenine e. None of these
1. X10 PTS) Draw the pathway for de novo CTP biosynthesis. Show the structures and names of all reactants and products, as well as the names of the enzymes. You do not need to draw the structures of ATP, NAD+, CoA, etc., but do show them as reactants or products in the appropriate places. You do not need to show the mechanisms of the enzymes.
Which cofactor is involved in de-novo fatty acid synthesis? Select one: a. CoA b. NADPH c. Biotin d. All of these e. None of these
Which amino acid is not used for the synthesis of purine or pyrimidine bases? Select one: a. glycine b. glutamine c. aspartate d. asparagine
The enzyme carbamoyl phosphate synthase Il is associated with? ОА. gluconeogenesis, B. pyrimidine synthesis, Oglyoxylate cycle, OD.purine synthesis, E. urea cycle, OF. all of the above. 5-Phosphoribosyl-1-pyrophosphate (PRPP) is required for which of the following processes? O A De novo synthesis of purine nucleotides, OB. Salvage of the purines, OC. New synthesis of pyrimidines, OD. Salvage of pyrimidines. O E. All of the above. OF. None of the above. The final purine degradation and excretion product in humans is? O...
D Question 2 0.5 pts Which of the following statements are true of Biosynthesis (of building blocks)? Select all that apply. O Molecules of NAD(P)H are produced during biosynthesis All building blocks are synthesized from a small set of precursor metabolites Biosynthesis produces ATP equivalents O Obligate parasites have more biosynthetic pathways than free-living species D Question 2 0.5 pts Which of the following statements are true of Biosynthesis (of building blocks)? Select all that apply. O Molecules of NAD(P)H...