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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?

#Unit 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: 2278

#Unit 2. Cellular Organization

Clusters of rRNA where ribosomes are assembled are called
TLS Online TPP Program

#Question id: 2279

#Unit 2. Cellular Organization

Mitochondrial enzymes for oxidative metabolism are
TLS Online TPP Program

#Question id: 2285

#Unit 2. Cellular Organization

Assuming all other factors to be the same, electron microscopes have greater resolving power than light microscopes because.
TLS Online TPP Program

#Question id: 2286

#Unit 2. Cellular Organization

Bacterial flagella propel the cell by using
TLS Online TPP Program

#Question id: 2287

#Unit 2. Cellular Organization

Which characteristic do eukaryotic and prokaryotic flagella have in common?
TLS Online TPP Program

#Question id: 2288

#Unit 2. Cellular Organization

Proteins lacking a signal peptide sequence will probably found in