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TLS Online TPP Program

#Question id: 1099

How does the toxin of Vibrio cholerae cause profuse diarrhea?

#Unit 4. Cell Communication and Cell Signaling

  1. It modifies a G protein involved in regulating salt and water secretion.

  2. It modifies adenylyl cyclase and triggers excess formation of cAMP.

  3. It signals IP3 to act as a second messenger for the release of calcium.

  4. It modifies a ligand-gated ion channel.

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TLS Online TPP Program

#Question id: 19797

#Unit 12. Applied Biology

 Which type of cry genes are used for the production of transgenic plants
TLS Online TPP Program

#Question id: 23025

#Unit 12. Applied Biology

Which bioremediation technique includes mixing of contaminated water and soil, fertilizers and carbon dioxide in a bioreactor to stimulate biodegradation
TLS Online TPP Program

#Question id: 4651

#Unit 11. Evolution and Behavior

Some members of a photosynthetic plant species are genetically resistant to an herbicide, while other members of the same species are not resistant to the herbicide. Which combination of events should cause the most effective replacement of the non-herbicide-resistant strain of plants by the resistant strain?

1. The presence of the herbicide in the environment

2. The absence of the herbicide from the environment

3. The maintenance of the proper conditions for one generation

4. The maintenance of the proper conditions for many generations
TLS Online TPP Program

#Question id: 3567

#Unit 8. Inheritance Biology

Cross is made between a pure breeding plant having red coloured flowers with a pure breeding plant having white coloured flowers. All of these offspring are red colored flower. Upon selfing of these F1 red flower plant produced both red and white flower. Which of the following is not a conclusion of these cross?
TLS Online TPP Program

#Question id: 11167

#Unit 2. Cellular Organization

The core structure of the GPI group consists of :