The GTPase Dynamin is involved in which step of vesicular trafficking? A) bindin

Question

The GTPase Dynamin is involved in which step of vesicular trafficking? A) binding of cargo molecules to cargo receptors B) assembly of the clathrin coat C) pinching off of the vesicle from the membrane D) transport of vesicles along microtubules Which of the following events does not occur in the rough endoplasmic reticulum? A) Cleavage of the signal peptide by the signal peptidase B) Binding of chaperone proteins to misfolded or partially folded proteins C) Transfer of a pre-formed oligosaccharide to a new polypeptide by oligosaccharyl D) Degradation of misfolded proteins by the ubiquitin-proteasome system E) Formation of vesicles destined for the Golgi apparatus Which of the following elements is not required for transport of a soluble protein into the endoplasmic reticulum (ER)? A) ER signal sequence b) protein translator C) signal recognition particle receptor D) stop transfer sequence Your friend works in a biotechnology company and has discovered a drug

Explanation / Answer

1) B)Assembly of the clathrin Coat

2) D)Degradation of misfolded proteins by the ubiquitin proteasome system

3) D) Stop transfer Sequence

4) C)Nuclear transport receptors would be unable to release their cargo in the nucleus

5) D

5)

6) C

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