Multiple Choice
The symptoms of Lesch-Nyhan syndrome are caused by a deficiency of which of the following enzymes?
A) adenine phosphoribosyltransferase
B) HGPRT (hypoxanthine-guanine phosphoribosyltransferase)
C) adenosine deaminase
D) dihydrofolate reductase
E) xanthine oxidase
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Orotate is synthesized from<br>A)glycine and carbamoyl phosphate.<br>B)arginine
Q2: Matching<br>Choose the correct answer from the list.Not
Q3: In animals,elevated levels of PRPP will<br>A)activate pyrimidine
Q4: Matching<br>Choose the correct answer from the list.Not
Q6: Matching<br>Choose the correct answer from the list.Not
Q7: Matching<br>Choose the correct answer from the list.Not
Q8: Matching<br>Choose the correct answer from the list.Not
Q9: The anticancer drug methotrexate inhibits nucleotide synthesis.Which
Q10: The thymidylate synthase reaction is unique because<br>A)THF
Q11: The conversion of dUMP to dTMP by