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11 Cards in this Set
- Front
- Back
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beneficial roles of lipids in the body? |
major source of energy, support the function of cell membranes |
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what molecules can form the polar head group of phospholipids? |
glycerol, choline |
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what property of phospholipids explains why lipids self assemble into a bilayer? |
the hydrophobic tails of lipids are buried in the membrane and pointed towards each other |
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what is the difference between DHA and 19,20-DHDP? |
19,20-DHDP is more polar than DHA |
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what characteristics of phospholipids enable liposomes to form in water? |
entropy increases upon phospholipid aggregation in water, the edges of the lipid bilayers sheets fold back on themselves, the cross sectional area of the head groups and acyl chains in the phospholipids are similar |
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why do lipids collect in the arteries and create blockages? (it’s a condition) |
lipids link up to carrier proteins and tend to get stuck in artery walls |
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a glycolipid is? |
a lipid molecule that contains at least one carbohydrate unit |
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which lipid or lipids must be obtained in the diet? |
essential fatty acids |
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what are examples of substances that contain or are lipids |
cell membrane, beeswax, testosterone |
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what is covalent modification |
making or breaking covalent bonds within or to an enzyme (phosphorylation or de phosphorylation) |
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term for enzymes that put phosphates onto things |
kinases |
