Which one of the following act as GEF for GTPase switch protein at the ER membrane?

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#Question id: 28799

#Unit 2. Cellular Organization

Arp2/3 needs to be activated by interacting with a nucleation promoting factor (NPF). Although there are many different NPFs, The major NPF family is characterized by the presence of a region called___

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#Question id: 15616

#Unit 13. Methods in Biology

The diagram below shows the F factor and a portion of the E. coli chromosome that has three different insertion sequences (IS) of the same type as is carried on F.

                     

Describe the three different Hfrs (Hfr #1, Hfr #2 and Hfr #3) that can be formed by recombination between the IS on F and each of the IS sequences on the chromosome. Some including the positions of each of the markers (A, B, C, and D) and state which of these markers would be transferred early?

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#Question id: 10491

#Unit 6. System Physiology – Plant

Acidification of the lumen stimulates zeaxanthin formation, and alkalinization favors violaxanthin formation. Lumen pH depends on photosynthetic photon flux density, most effective at

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#Question id: 5181

#General Aptitude

A child while writing the numbers from 400 to 599, mistakenly wrote 8     every time instead of 4. So the total number of times he has wrote 8 is

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#Question id: 16317

#Unit 7. System Physiology – Animal

Developmental stress: