Practice Questions

TLS Online TPP Program

#Question id: 10467

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?

#Unit 6. System Physiology – Plant

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#Question id: 4404

#Unit 3. Fundamental Processes

The yeast two-hybrid system can be used to identify

a. proteins that interact with a known or “bait” protein.

b. proteins that interact with a “fish” domain.

c. cDNAs that encode interacting proteins.

d. co-activators and co-repressors.

#Question id: 11712

#Unit 9. Diversity of Life Forms

The following are all characteristic of the water molds (oomycetes) except

#Question id: 2694

#Unit 2. Cellular Organization

Which of the following is affected by palindromic sequences?

#Question id: 33313

#Unit 1. Molecules and their Interaction Relevant to Biology

#Question id: 12377

#Unit 10. Ecological Principles