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NBCHBCh5Jones

QuestionAnswer
What are the 2 processes that allow cells to organize themselves into groups? Cell adhesion and cell recognition.
What features allow proteins to bond to other specific materials? Their specific shape and their specific chemical groups exposed on its surface where they interact with other substances.
Which cell junctions hold cells together and which ones are for communication? Desmosomes aid hold cells together and the gap junction and plasmodesmoda are for communication.
What is the difference between passive and active trasport? Passive transport requires no inut of outside energy to drive it qhile active transport does require chemical impt from an outside source.
What will happen if one side of the plant cell is hypertonic and the other is hypotonic? They will regulate themselves until they are isotonic, having equal solute concentrations. This equalibrium in the plant cell creates turgor pressure.
What do carrier proteins and channel proteins allow to happen? They allow for diffusion both inside and outside of the cell.
Facilitated diffusion and active transport bothrequire what? The use of proteins as carriers.
Name a similarity and difference between secondary and primary active transport. Both transport ions against their concentration gradient. However, primary active transport requires the direct participation of the energy-rich molecule ATP while secondary active transport does not use ATP directly.
How do materials leave the cell? By exocytosis, the materials are packaged in vesicles and are secreted from a cell when the vesicle membrane fuses with the plasma membrane.
What is the main difference btween receptor mediated endocytosis and phagocytosis? Receptor mediated endocytosis is only looking for specific materials while phagocytosis just gets whatever it can.
what are phagocytosis and pinocytosis basically like? Phagocytosis is like cellular eating and pinocytosis is like cellular drinking.
Created by: Tim Jones
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