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TLS Online TPP Program

#Question id: 1159

Cholera toxin can make you sick through overactivation of a Gs pathway even if your body stops making the ligand associated with activation of the pathway. Knowing this, which of the following CANNOT be true about cholera toxin?

#Unit 4. Cell Communication and Cell Signaling

  1. It chemically modifies the Gαs protein.

  2. Cholera toxin activates a ligand-activated G protein-coupled receptor.

  3. It prevents hydrolysis of bound GTP to GDP.

  4. It leads to continuous activation of adenylyl cyclase.

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TLS Online TPP Program

#Question id: 23084

#Unit 12. Applied Biology

Which of the following is the technique used for the embryo culture?
TLS Online TPP Program

#Question id: 15411

#Unit 8. Inheritance Biology

Both X-linked genes and extranuclear inheritance produce different results in reciprocal crosses. How can you distinguish between them?
TLS Online TPP Program

#Question id: 372

#Unit 1. Molecules and their Interaction Relevant to Biology

Carbon dioxide in the atmosphere dissolves with the raindrops. The pH of raindrops is ________.
TLS Online TPP Program

#Question id: 264

#Unit 1. Molecules and their Interaction Relevant to Biology

Supercoiling of pure circular DNA is a result of ________.
TLS Online TPP Program

#Question id: 7703

#Unit 9. Diversity of Life Forms

Carolus Linnaeus believed that species remained fixed in the form in which they had been created. Linnaeus would have been uncomfortable with ________.