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| The _________ __________ forms the cell's flexible outer surface, separating the cell's internal environment. |
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| What is a selective barrier that regulates the flow of materials into and out of a cell. |
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| What consists of all the cellular contents between the plasma membrane and the nucleus? |
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| The cell’s outer membrane made up of a two layers of phospholipids with embedded proteins. It separates the contents of the cell from its outside environment, and it regulates what enters and exits the cell. |
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| What is a thin membrane made of two layers of lipid molecules? |
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| What are a class of lipids and are a major component of all cell membranes as they can form lipid bilayers? 75% |
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| What is a waxy steroid metabolite found in the cell membranes and transported in the blood plasma of all animals? |
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| What are lipids with a carbohydrate attached. Their role is to provide energy and also serve as markers for cellular recognition? |
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(1) Pertains to a molecule containing both polar (water-soluble) and nonpolar (not water-soluble) portions in its structure.
(2) Of, or relating to, a molecule having hydrophobic and hydrophilic regions. |
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