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8 Cards in this Set
- Front
- Back
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Define Homeostasis
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It is the maintenance of a constant internal environment by physiological process that counteract any departure from the normal
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Using X and Y, describe positive feedback
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Y produces X, X activates Y, both increase
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Using X and Y, describe negative feedback
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X increases, X activates Y, Y decreases
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What is a phospholipid made of?
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2 fatty acids, a phosphate molecule, a glycerol molecule and a variable group
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What is the difference in the plasma membrane of animals who live in cold climates and those who live in warm and why?
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There are more double bonds in animals in cold climates to increase its fluidity and keep it from setting
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What are the four types of phospholipids?
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phosphotidylethanolamine
phosphotidylserine phosphotidylcholine sphingomyelin |
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Name the four type of membrane proteins
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alpha helix
beta barrels amphiphatic alpha helix covalently attached |
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Name the five types of cell to cell adhesions
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Tight junctions
adherens desmosomes gap junctions hemidesmosomes |
