Some of the following statement is given regarding COP1 

a. negative regulator of photomorphogenesis

b. positive regulator of photomorphogenesis

c. is a component of the E3 ubiquitin ligase complex

d. is a component of the HFR1-HY5-LAF1 complex

Which of the following is correct

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#Question id: 2751

#Unit 2. Cellular Organization

Adenovirus is a useful model of studying gene expression because __________

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#Question id: 18847

#Unit 13. Methods in Biology

You know that the protein you want to purify from a natural source forms a multimer with multiple sub-units giving a molecular weight in solution much bigger than visualised denatured on SDS-PAGE. There is only a small amount of the target protein in the total protein sample. Which of the following is an appropriate purification strategy?

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#Question id: 2930

#Unit 2. Cellular Organization

The S. cerevisiae homolog of Xenopus MPF is:

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#Question id: 3674

#Unit 3. Fundamental Processes

Which property is shared by E. coli DNA polymerase I and DNA polymerase III?

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#Question id: 9612

#Unit 9. Diversity of Life Forms

The best classification system is that which most closely