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Cards In This Set
| Front | Back |
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The yeast, Saccharomyces cerevisiae, have twomating types, ____ and _____
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A and alpha
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A _____________ is a series of steps by which a signal on a cell's surface is converted into specific cellular response.
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Signal Transduction Pathway
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_____________ pathways convert signals on a cell's surface into cellular responses
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 Signal transduction pathways |
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The concentration of signaling molecules allows bacteria to sense ___________
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Local population density
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Cells in a multicellular organism communicate by __________
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Chemical messengers
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In local signaling, animal cells may communicate by ____________ or ___________
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 Direct contact or cell-cell recognition |
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In many other cases, animal cells communicate usiong _____________, messenger molecules that travel only short distances
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Local Regulators
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In long distance signalin, plants and animals use chemicals called _______
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Hormones
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The ability of a cell to respond to a signal depends on whether or not it has ___________________
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A receptor specific to that signal
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Types of signaling
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 Local , Long distance |
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Cells receiving signals go through what three processes?
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Reception, Transduction, Response
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A _________ molecule binds to a ___________ protein causing it to change shape.
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Signaling, Receptor
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Signal molecule
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Ligand
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A shape change in a receptor is often the initial ___________ of the signal
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Transduction
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Most signal receptors are ______________
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Plasma membrane proteins
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