12 Questions
Which type of vesicles bud off from specialized, coated regions of membranes?
Clathrin-coated vesicles
Where do transport vesicles bud off from one compartment and fuse with another?
In the secretory pathway
What guides transport vesicles to their target membrane?
Rab proteins
Which step in the secretory pathway involves the vesicle fusing with the cell membrane?
Leaves the Golgi in a vesicle
What is the function of COPII-coated transport vesicles?
Transport membranes from the ER to the Golgi
What is the role of cargo receptors inside transport vesicles?
Ensure loading of specific cargoes
Which model describes the maturation of cisternae from cis to trans together with cargo molecules in the Golgi?
Maturation model
What is the function of COPI vesicles in the Golgi?
Bring ER proteins back from the Golgi
What is the role of the KDEL sequence and KDEL receptor in vesicle formation?
Initiate vesicle formation for ER proteins
Which type of proteins are transported through the nonselective constitutive secretory pathway?
Most other proteins directly to the cell surface
What serves as the main destination tag for molecules at the Golgi?
Sugar coats
What are the compartments of the Golgi involved in glycosylation steps?
Different cisternae
Test your knowledge of protein sorting and the Golgi apparatus with this quiz. Challenge yourself to remember the steps of the secretory pathway and understand the formation of COPI-coated vesicles. Ideal for students studying biology or related fields.
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