...what is termed Diffusion. Since movement is...
...specific case of Diffusion involving the movement...
...solvent and no diffusion or osmosis can...
...solvent and no diffusion of solutes in...
...and therefore no diffusion of solutes in...
...in can occur. Diffusion is outward but...
...processes Passive processes Diffusion, diffusion through channels...
...Passive processes Diffusion, diffusion through channels (proteins)...
...(proteins) and Facilitated diffusion All similar in...
...– concentration gradient Diffusion within cells -...
...cells - simple Diffusion across membranes- Simple...
...across membranes- Simple Diffusion involves small non...
...movement Osmosis – diffusion of water controlled...
...transport proteins) Allow diffusion of small charged...
...water therefore simple diffusion) Facilitated diffusion –...
...simple diffusion) Facilitated diffusion – interaction with...
...Similar to facilitate diffusion in that requires...

...Answer: A 7) Diffusion of a solute...
...molecule. C) increased diffusion coefficient. D) increased...
...coefficient. D) increased diffusion area. Answer: B...
...using A) passive diffusion. B) facilitated diffusion....
...diffusion. B) facilitated diffusion. C) active transport....
...the process of diffusion and mentions that...
...would not. Answer: Diffusion allows molecules to...
...features of passive diffusion, facilitated diffusion, and...
...passive diffusion, facilitated diffusion, and active transport....
...transport. Answer: Passive diffusion implies that no...
...can cross. Passive diffusion also does not...
...low concentration. Facilitated diffusion has the same...
...parameters as simple diffusion, but utilizes a...

...Concentration Gradients and Diffusion A. Background on...
...to Gradients 1. Diffusion is the movement...
...the rate of diffusion c. An example...
...An example of diffusion: a drop of...
...(Figure 5-5) d. Diffusion will continue until...
...Transport Includes Simple Diffusion, Facilitated Diffusion, and...
...Simple Diffusion, Facilitated Diffusion, and Osmosis ?...
...5.4: Demonstration of Diffusion Through a Selectively...
...membranes by simple diffusion (Figure 5-6a) a....
...Rate of simple diffusion is a function...
...Lecture Activity 5.5: Diffusion of Molecules Through...
...membranes by facilitated diffusion using membrane transport...
...is called facilitated diffusion b. Carrier proteins...
...ii. The simple diffusion of water is...
...Osmosis is the diffusion of water across...
...Lecture Activity 5.7: Diffusion and Osmosis in...
...cells occurs by diffusion 2. As a...
...gradient gradient simple diffusion connection protein hypertonic...
...desmosome hypotonic solvent diffusion isotonic tight junction...
...phospholipid bilayer facilitated diffusion pinocytosis LECTURE ACTIVITIES...
...Concentration Gradients and Diffusion Estimated Time to...
...the rate of diffusion will also be...
...Handout—Concentration Gradients and Diffusion Table 1 Beaker...
...Concentration gradient b. Diffusion c. Dynamic equilibrium...
...equilibrium 2. During diffusion, particles move from...
...concentration. 3. For diffusion to occur, is...
...energy required for diffusion? 5. How does...
...the rate of diffusion? Explain. Copyright ©...
...5.4: Demonstration of Diffusion Through a Selectively...
...Lecture Activity 5.5: Diffusion of Molecules Through...
...Lecture Activity 5.5 Handout—Diffusion of Molecules Through...
...Lecture Activity 5.7: Diffusion and Osmosis in...
...their knowledge of diffusion and osmosis to...

...organisms rely on diffusion for gas exchange...
...bulk flow and diffusion for gas exchange...
...= Rate of diffusion D = diffusion...
...diffusion D = diffusion coefficient (D) A...
...concentration) dx = Diffusion distance Rate of...
...distance Rate of diffusion will be greatest...
...greatest when the diffusion coefficient (D), area...
...large, but the diffusion distance (dx) is...
...gas Graham’s law Diffusion rate is proportional...
...and Graham’s law Diffusion rate of a...
...temp, rate of diffusion is proportional to:...
...Inversely proportional to: Diffusion distance (X) and...
...the gas (MW) Diffusion Rates Compare O2...
...area available for diffusion and increases the...
...and increases the diffusion distance Only very...
...solely on the diffusion oxygen to support...
...must ? BUT Diffusion rate can be...
...cnidarians, and insects Diffusion of gases across...
...eggs of birds Diffusion of gases across...
...tubes Insects High diffusion rates of gases...
...and rely on diffusion Shrimp, crabs, and...
...can rely on diffusion Larger animals use...
...from carriers ? diffusion towards oxygen sinks...

...Passive transport is diffusion of a substance...
...no energy investment. Diffusion is the tendency...
...the available space. Diffusion is driven by...
...the concentration gradient; diffusion is a spontaneous...
...other substances. The diffusion of a substance...
...energy and drives diffusion. Because membranes are...
...role in the diffusion rate. In the...
...are equal. The diffusion of water across...
...is called facilitated diffusion. Most transport proteins...
...greatly facilitate the diffusion of water. Kidney...
...gradient, drive the diffusion of ions across...
...electrochemical gradient. The diffusion of Na+ is...
...protein couples the diffusion of protons out...