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#Question id: 1107


Viagra causes dilation of blood vessels and increased blood flow to the penis, facilitating erection. Viagra acts by inhibiting which of the following events?

#SCPH28 | Zoology
  1. hydrolysis of cGMP to GMP

  2. hydrolysis of GTP to GDP

  3. dephosphorylation of cGMP

  4. formation of cGMP from GTP


Answer:- Option(s): 1


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