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QuestionAnswer
what is he molecule responsible for cell recognition and adhesion in sponges? huge integral membrane glycoprotein
What is the role of Desmosomes? to connect adjacent plasma membranes.They hold adjacent cells firmly together.
Each gap junction is made up of these? specialized channel proteins, called connexons
Passive transport requires two types of diffusion, what are they called? simple diffusion through the phospholipid bilayer, and facilitated diffusion through channel proteins or by means of carrier proteins.
What happens to molecules to which the membrane is permeable? They diffuse from one compartment to the other until their concentrations are equal on both sides of the membrane.
In osmosis, what are the three terms used to compare the solute concentration? hypertonic, hypontonic, and istonic.
what are the three types of proteins invoved in active transport? uniports, symports, and antiports.
what is the point of secondary active transport? its a form of active transport which does not use ATP as an energy source; rather, transport is coupled to ion diffusion down a concentration gradient established by primary active transport.
what occurs in phagocytosis? "cellular eating" part of the plasma membrane engulfs large particles or even entire cells
what is Receptor-mediated endocytosis used for? it is used by animal cells to capture specific macromolecules from the cell's environment. This process depends on receptor proteins
what is the the initial event of Exocytosis? is when the binding of a membrane protein coming from the cytoplasmic side of the vesicle with a membrane protein on the cytoplasmic side of the target site on the plasma membrane.
Created by: 100000053743247
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