The first vesicle trafficking step in the secretory pathway, is mediated by:

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#Question id: 2234

#Unit 2. Cellular Organization

Which of the following statement(s) is (are) true of transmembrane proteins?

a. All contains a hydrophobic α helix.

b. Some serve as membrane attachment sites for peripheral membrane proteins.

c. Some contain more than one membrane-spanning domain.

d. All are asymmetrically oriented in the lipid bilayer.

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#Question id: 12049

#Unit 7. System Physiology – Animal

Which of the following hormones is released by the presence of fat and protein in the small intestine and has a major effect to decrease gastric emptying?

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#Question id: 24472

#Unit 3. Fundamental Processes

Which of the following subunit of yeast gene may function as function with Rpb11 as ortholog of the alpha dimer of prokaryotic RNA polymerase 

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#Question id: 3955

#Unit 3. Fundamental Processes

When chromatin is treated with nonspecific nucleases, what is the length of the resulting pieces of DNA?

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#Question id: 5068

#Unit 5. Developmental Biology

In TGF-b signaling, the transcription factors downstream from the TGF-β receptors. These transcription factors in Drosophila and the related vertebrate proteins are called: