Question 1 Regulated exocytosis involves vesicles that contain cargo such as hormones, mucus or ____and are released...

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Biology

Question 1
Regulated exocytosis involves vesicles that containcargo such as hormones, mucus or and are released inresponse to an signal. In contrast, unregulatedexocytosis involves cargo of macromolecules like andsoluble proteins and are released __ an externalsignal.
Question2Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
When is the signal sequence for the ER cleaved off a proteinthat is being translated on the ER?
It is always cleaved off.
Only when the a soluble protein is translated into the ERlumen.
For soluble proteins and single-pass transmembraneproteins.
Only when the protein is embedded into the ER membrane.
Question3Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
Where does translation always start in the cell?
On a free ribosome in the cytosol
On a ribosome on the ER for a secreted protein
In the nucleus
On a ribosome on the ER for a membrane protein
Question 4
If a protein is to be imbedded as a multi-pass protein in the ERmembrane, what part of the protein will have a signal sequence?
Interior of the protein
5â€™ end of the protein
carboxyl terminal end
amino terminal end

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Answer 1 Exocytosis is an important cellular process that involves the transport of molecules from the cell to the outside environment The process is carried out by membranebound vesicle which carries the content to be secreted out and achieved by fusion of vesicle to the plasma membrane and release of vesicle content outside the cell Exocytosis is an important phenomenon as it involves the removal of waste from the cell rebuilding of the cell membrane by transporting membrane proteins See Answer

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Question 1 Regulated exocytosis involves __________vesicles that contain cargo such as hormones, mucus or ______________and are released...