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Meeting Notes
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Style development:
Production : clicking will dl file from dropbox
A. An extracellular molecule tries to move towards a complementary receptor
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True
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False
B. Based on your previous answer and assuming there are several instances of the complementary receptor present, an extracellular molecule tries to move toward:
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One specific predetermined instance of the complementary receptor
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Any of the complementary receptor instances that are present
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Whichever instance of the complementary receptor is closest
C. An extracellular molecule knows the physical location of its receptor
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True
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False
D. Based off your previous answer, how an extracellular molecule know the location of its receptor?
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It can sense the receptor from a distance
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It has hard-wired knowledge
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It receives a message from else where
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It can sense the receptor when it is close to it
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E. What is the mechanism of an extracellular molecule’s movement towards a receptor
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The extracellular molecule propels itself
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The extracellular molecule is released from its source with the correct initial trajectory
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The extracellular mole uses other helper molecules to be carried closer to the receptor
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The extracellular molecule collides randomly with other molecules
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F. An extracellular molecule can change direction on its own
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True
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False
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G. If extracellular molecules move through random collisions, what determines the chance of a binding event occurring between one of these molecules and a complementary receptor?
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H. A large molecule has a more direct path of motion, whereas a small molecule has a more random path
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True
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False
I. A molecule’s path of motion is more direct when it has been activated, whereas its path is more random when it is inactive
J.Inside a cell, large molecules are densely crowded so much so that the average distance between two macromolecules is typically less than the width of a single macromolecule
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True
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False
K. Inside a cell, empty space is not a factor in the overall direction of diffusion of water and other molecules
L. In the case of simple diffusion across a permeable membrane, once solute molecules reach an equilibrium, they cease to cross the membrane
M. A drop of dye is placed in some water. The water, activing as a solvent, diffuses into the dye in the same wat as the dye, acting as a solute, diffuses into the water