| Front | The proteins embedded in the membranes of vesicles have different functions. • COPI and COPII proteins are known as ‘address proteins’. • Vesicles that transport materials from the Golgi to the rough endoplasmic reticulum (RER) are coated in COPI proteins. • Vesicles that transport materials to the Golgi from the RER are coated in COPII proteins. Suggest how these proteins ensure that a vesicle is transported to the correct target organelle. |
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| Back | protein lables vesicle (so recognised), receptor binds to specific protein, which are complimentary |
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