Which of the following compounds is an analogue of hypoxanthine ?: (A) Arabinoside C, (B) Allopurinol, (C) Ribose phosphate, (D) 5-phosphoribosylpyrophosphate (PRPP)
Answer is B. Allopurine is hypoxanthine analogue.
Arabinoside-C (ara-c or cytarabine or cytosine arabinoside) is a deoxycytidine analogue.