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.


Discussion

No Comment Found