A nurse teaches that a cell takes in extracellular fluid in tiny membrane-bound vesicles. Which process is being described?
Correct answer: B. Pinocytosis
- A. Phagocytosis
- B. Pinocytosis
- C. Exocytosis
- D. Simple diffusion
Explanation
Pinocytosis is the uptake of extracellular fluid and dissolved substances into small vesicles. Phagocytosis takes in large solid particles, while exocytosis releases material from the cell.
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About Cells and Tissues
Cells and tissues covers cell membranes, cytoplasm, organelles, cell division and the transport of substances into and out of cells. It also explains the four basic tissues, epithelial, connective, muscular and nervous, including their structure, functions and locations, with a distinction between tissue organization and organ structure.
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