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NBCHBCh5Graessle

QuestionAnswer
What organelle do cell recognition and cell adhesion involve? Plasma membrane
What is the difference between homotypic and heterotypic binding? Homotypic binding is between two of the same type of cell. Heterotypic is between two different types of cells.
In a desmosome, what are the fibers, which are attatched to the plaque, made up of? Keratin
In facilitated diffusion, what two proteins are involved? Carrier and channel proteins
True or False? How fast a substance diffuses across a membrane depends on the temperature of the solution? True. The higher the temperature of the solution the faster it diffuses since the ions or molecules have more energy.
If the inside of a cell has a higher concentration of solvent and the outside of the cell has a higher concentration of solute, then which direction will the substance diffuse? It will diffuse into the cell
Active transport goes with or against the concentration gradient? It requires energy to go against the concentration gradient.
The Sodium Potassium Pump is a uniport, symport, or antiport? It is an antiport because it pumps potassium into the cell and sodium out of the cell.
Phagocytosis is cellular ______ and is used by what type of cell? It is cellular eating and is used by unicellular protists.
In endocytosis, how is the food or liquid taken up by the cell? The food or liquid is engulfed by the plasma membrane and forms a vesicle that will digest the liquid or food.
What substance is taken up by mammel cells in receptor-mediated endocytosis? Cholesterol
Created by: beckygraessle
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