Case Study Module 4 Lab Lecture.docx - 1 Why are endocytosis and exocytosis considered active transport mechanisms if they do not necessarily move 1

Case Study Module 4 Lab Lecture.docx - 1 Why are...

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1. Why are endocytosis and exocytosis considered active transport mechanisms if they do not necessarily move 1 molecule against a concentration gradient? 2. What is clathrin and what is its role in receptor-mediated endocytosis? 3. Compare and contrast receptor-mediated endocytosis with phagocytosis and pinocytosis. 4. What are some other examples of proteins secreted by exocytosis that are essential for cell and tissue function?

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