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NBCHBCh5Linser

QuestionAnswer
Takes up substances from and releases substances to the ouside enviroment. Exocytosis
Specific reactions at the cell surface trigger the uptake of specific materals. Receptor-mediated endocytosis
Part of plasma membrane; engulfs large particles or even entire cells. (cellular eating) Phagocytosis
Allows two different molecules to go in two different directions through the plasma membrane. Antiports
Allows two different molecules to go in one direction through the plasma membrane. Symports
The energy dependent transport of a substance across a biological membrane against a concentration gradient. (low concentration to high concentration) Active transport
The hydrostatic pressure of an enclosed solution in excess of the surounding atmosphere pressure. Tugor pressure
Diffusion across a membrane; may ormay not require a channel character protein. Passive transport
-Present in animal cells-Connexons (channel protein)-Allows communication between cells-Found in nerve tissue-Connexons span the plasma membrane; space is formed between the ephelilial cells. WHAT IS THE JUNCTION? Gap junction
-Present in animal cells -Present in keratin and plaque protein-Connects adjacent cells; acts like rivets-Found in ephithelial tissues,horn, and skin-Keratin can stretch across the cell and weld itself to other adjacent cells. WHAT JUNCTION IS IT? Desmosomes
-Present in ephelial cells-Present i specific proteins in the plasma membrane -Tightly seals adjacent cells together nothing can go between-Lining of lumen of organs such as intestines-Protein from a seal in the plasma membrane WHAT JUNCTION IS IT Tight junction
Created by: MOVIEfan100
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