TLS Online TPP Program

#Question id: 1392


In the nematode C. elegans, ced-9 prevents apoptosis in a normal cell in which of the following ways?

#Unit 4. Cell Communication and Cell Signaling
  1. It prevents the caspase activity of ced-3 and ced-4.

  2. Ced-9 remains inactive until it is signaled by ced-3 and other caspases.

  3. Ced-9 cleaves to produce ced-3 and ced-4.

  4. Ced-9 prevents blebbing by its action on the cell membrane.

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TLS Online TPP Program

#Question id: 10998

#Unit 7. System Physiology – Animal

When does the second heart sound occur in the ventricular pressure–volume relationship?

 

TLS Online TPP Program

#Question id: 15987

#Unit 12. Applied Biology

Which of the following physical method involve in plant transformation?

TLS Online TPP Program

#Question id: 12965

#Unit 10. Ecological Principles

Phytoplankton is most frequently found in which of the following zones?

TLS Online TPP Program

#Question id: 8951

#Unit 9. Diversity of Life Forms

An animal that swims rapidly in search of prey that it captures using visual senses concentrated at its anterior end is likely to be

TLS Online TPP Program

#Question id: 10467

#Unit 6. System Physiology – Plant

The COP1-SPA complex acts as a positive regulator as well as acts as negative regulator  by shown in statements;

a) Act as negative regulator−that targets transcription factors for degradation during phytochrome and cryptochrome responses

b) Acts as a positive regulator−that targets transcription factors for degradation during phytochrome and cryptochrome responses

c) Acts as a negative regulator− during UV-B signaling by interacting with the C-terminal region of UVR8 in the nucleus UVR8- COP1-SPA complex then activates the major transcription factor HY5, which controls the expression of many of the genes induced by UV-B

d) Acts as a positive regulator during UV-B signaling by interacting with the C-terminal region of UVR8 in the nucleus UVR8- COP1-SPA complex then activates the major transcription factor HY5, which controls the expression of many of the genes induced by UV-B

Whichof the following combination from avbove statements of UVR8 is true?