Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Define osmosis, simple diffusion, facilitated diffusion and why each of these is a form of passive transport with examples of each type of passive transport.
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- Which transport mechanism would allow a solute to move from its area of low concentration to its area of high concentration, another words against its concentration gradient? secondary active transport osmosis channel mediated facilitated diffusion carrier mediated facilitated diffusion simple diffusion Aa JO stv A К Proarrow_forwardHow is osmosis different from simple diffusion? osmosis involves the movement of water, simple diffusion involves the movement of solutes simple diffusion utilizes energy in the form of a solute concentration gradient, osmosis utilizes energy in the form of ATP Osimple diffusion moves solutes with their concentration gradient, osmosis moves solutes against their concentration gradient osmosis is a form of active transport, simple diffusion is a form of passive transport Det betalen տներն ոգուarrow_forwardClassify each phrase based on whether it describes or gives an example of passive transport, facilitated diffusion, both processes, or neither. Passive transport glucose transport across a membrane Facilitated diffusion cholesterol transport across a membrane protein-assisted movement. Answer Bank Both movement to an area of lower concentration. movement across a membrane Neither requires an input of energyarrow_forward
- In your own words, describe one similarity and one difference between diffusion via channels (like aquaporins) and facilitated diffusion.arrow_forwardExplain the major difference between diffusion and osmosis. Include in your answer which type of the molecule is moving for each process, in which direction the molecules in question are moving (low to high or high to low concentrations).arrow_forwardMatch the following statement related to membrane transport processes to the appropriate term or terms: passive transport, facilitated transport, active transport. A transporter (or carrier) protein is necessary. (Select all that apply.) passive transport facilitated transport active transport O Oarrow_forward
- Oxygen gas (O2) is a small nonpolar molecule. What is the transport mechanism for oxygen to cross the plasma membrane? Group of answer choices diffusion facilitated diffusion osmosis active transport endocytosisarrow_forwardAll are factors of diffusion that play a role in the rate that it moves. substance concentration polarity size pressure heat solubilityarrow_forwardWhich of the following involves the use of protein macromolecules to cross the plasma membrane simple diffusion facilitated passive transport active transport both facilitated and active transportarrow_forward
- Classify each phrase based on whether it describes or gives an example of facilitated diffusion, active transport, or both.arrow_forwardWhich of the following are features of facilitated diffusion? Select all that apply. lon transport with its concentration gradient (from high to low) lon transport that requires energy lon transport assisted by proteins lon transport associated with ATP hydrolysisarrow_forward
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