

MCQOPTIONS
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1. |
Lesch-Nyhan syndrome is caused by the deficiency of the enzyme hypoxanthine-guanine phosphoribosyl transferase (HGPRT). Cells deficient in HGPRT die in a medium containing which of the following? |
A. | Hypoxanthine and thymidine |
B. | Thymidine |
C. | Aminopterin and thymidine |
D. | Hypoxanthine, thymidine and aminopterin (HAT medium) |
Answer» E. | |