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1285174151_463953
1285174151_463953

... • System of membranes that makes up channels • Connects with outer nuclear and cell membranes • Cisternae: sac like or channel like cavities ...
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Cells Testbank

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... Introduction: When cells grow to a certain size, their rate of growth slows down until they stop growing entirely. They have reached their size limit. When one of these larger cells divides into two smaller cells, the rate of growth increases again. Cells take in food and other molecules necessary f ...
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The Great Cell Scavenger Hunt You will visit the links to answer the

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Cells - Red Hook Central School District

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Microscope and Cells - Aurora City Schools

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SBI4U_1-1_Organelles 5744KB Oct 19 2016 11:56:53 AM

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Signal transduction



Signal transduction occurs when an extracellular signaling molecule activates a specific receptor located on the cell surface or inside the cell. In turn, this receptor triggers a biochemical chain of events inside the cell, creating a response. Depending on the cell, the response alters the cell's metabolism, shape, gene expression, or ability to divide. The signal can be amplified at any step. Thus, one signaling molecule can cause many responses.
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