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Ch. 5 Lipid Structure and Function
Terms in this set (53)
Are characterized by insolubility in water and solubility in nonpolar organic solvents?
Having a phosphodiester linkage within it's structure qualifies a compound to be considered a?
A 3 carbon alcohol that forms glycerophospholipids is known as?
Hydrocarbon chains vary by their degree of length and ?
A fatty acid that only contains single bonds is considered to be?
Double bonds are notorious for introducing ? into the fatty acid chain?
The kinks that are present in unsaturated fatty acids are what make it difficult for them to?
? are always phospholipids
A phospholipid that contains a glycerol backbone bound by ester linkages to 2 fatty acids and by a phosphodiester linkage to a highly polar head group is also known as a ?
Which portion of a glycerophospholipid determines the membrane surface properties of a molecule
The cell-surface antigens on blood cells are well known ?
What type of compounds contain a sphingosine/sphingoid backbone?
Many sphingolipids are also ?
There are sphingolipids that contain ? linkages to sugars and are termed glycolipids
Sphingolipids are divided into how many subclasses?
The class of sphingolipids that are major components of oligodendrocytes and schwann cells?
Cerebrosides and globosides are both considered which type of sphingolipid?
Which molecules contain 2 sugars?
Gangliosides are a type of sphingolipid that have polar head groups composed of ? NANA/salic acid
Esters of long-chain fatty acids w/ long chain alcohols are known as?
In plants, waxes are secreted as a surface coating to prevent excessive evaporation and to protect against?
In animals, waxes are secreted to prevent dehydration and as a ? repellent
? are oderforous chemicals and metabolic precursors to steroids
Terpenes are a class of lipids built from ?
Terpenes are mainly produced by what?
? are grouped according to number of isoprene units present?
monoterpenes = how many isoprene units?
Terpenoids/ ? are derivatives of ?
3 cyclohexane and 1 cyclopentane together is called ?
A major component of phospholipid bilayer and responsible for mediating membrane fluidity?
What serves as a precursor to many important steroid hormones, bile acid and vitamin D?
Prostaglandins are derived from ? acid
In many tissues, the biological function of prostaglandins is to regulate synthesis of ?
What is responsible for mediating actions of hormones, smooth muscle functions, sleep-wake cycle, and increase in body temp associated with fever and pain?
A ? is an essential nutrient that cannot be adequately synthesized by the body and therefore must be consumed in the diet
carotene is also known as ?
carotene is important in ?
vision, growth and development and immune function
retinal is a metabolite of vitamin ?
Retinoic acid is a hormone that regulates gene expression during ?
cholcecalciferol is also known as ?
Vitamin D can be ? or formed in a UV-driven rxn in skin?
In the liver and ? vitamin D is converted to calcitriol which is the biologically active form of vitamin D
calcitriol increases calcium and phosphate absorption in the ?
intestines promoting bone production
Lack of vitamin D is known as?
vitamin E is known for ?
vitamin K is vital to post translational modifications required to form ?
Which class of lipids is specifically used for energy storage?
Free fatty acids are ? fatty acids
a fatty acid salt is also known as ?
The ester hydrolysis of triacylglycerols is also known as ?
A surfactant lowers the ?
A colloid occurs because of the formation of ?
Micelles are important for the absorption of vitamins ?
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