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TLS Online TPP Program

#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?

#4. Cell Communication and Cell Signaling

  1. hydrolysis of cGMP to GMP

  2. hydrolysis of GTP to GDP

  3. dephosphorylation of cGMP

  4. formation of cGMP from GTP

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TLS Online TPP Program

#Question id: 6985

#5. Developmental Biology

The ventricular proliferative zone is:
TLS Online TPP Program

#Question id: 6986

#5. Developmental Biology

The use of segments as a developmental strategy in vertebrates is evident in:
TLS Online TPP Program

#Question id: 6987

#5. Developmental Biology

Which of the following statements about axon-guidance is TRUE?
TLS Online TPP Program

#Question id: 6989

#5. Developmental Biology

Adult human bone:
TLS Online TPP Program

#Question id: 6991

#5. Developmental Biology

Metamorphosis of amphibians is triggered by environmental cues that act on the:
TLS Online TPP Program

#Question id: 6992

#5. Developmental Biology

Epimorphosis is regeneration through: