Biochemistry

Chapter 5: Lipid Structure & Function

78 cards

Sign in to study this deck

Lipids are insoluble in ____.

Phospholipids are a____nd form the bilayer of biological membranes.

____ are amphipathic and form the bilayer of biological membranes.

____ contain a hydrophilic (polar) head group and hydrophobic (nonpolar) tails.

Phospholipids contain a h____ tails.

The phospholipid head group is attached by ____.

The ____ determines the function of the phospholipid.

The ____ of the fatty acid tails determines the fluidity of the membrane.

The saturation of the fatty acid tails determines the ____ of the membrane.

Saturated fatty acids are ____ fluid than unsaturated ones.

____ form most of the structural thickness of the phospholipid bilayer.

____ are phospholipids that contain a glycerol backbone.

Glycerophospholipids are phospholipids that contain a ____ backbone.

Sphingolipids contain a ____ backbone.

____ contain a sphingosine or sphingoid backbone.

Sphingolipids with a ____ bond are called sphingophospholipids.

Sphingolipids with a phosphodiester bond are called ____.

____ are the major class of sphingophospholipids.

Sphingomyelins contain a ____ head group.

____ contain a phosphatidylcholine or phosphatidylethanolamine head group.

____ are a major component of the myelin sheath.

Sphingomyelins are a major component of the ____.

Glycosphingolipids are attached to ____.

____sphingolipids are attached to sugar moieties.

____ have one sugar connected to sphingosine.

Cerebrosides have ____ connected to sphingosine.

Cerebrosides have one sugar connected to ____.

Globosides have two or more sugars connected to ____.

Globosides have ____ connected to sphingosine.

____ have two or more sugars connected to sphingosine.

____ contain oligosaccharides with at least one terminal N -acetylneuraminic acid.

Gangliosides contain ____.

____ contain long-chain fatty acids esterified to long-chain alcohols.

Waxes contain ____.

____ are odiferous steroid precursors made from isoprene .

Terpenes are odiferous ____ precursors made from isoprene .

Terpenes are odiferous steroid precursors made from ____ .

One terpene unit contains two ____ units.

____ are derived from terpenes via oxygenation or backbone rearrangement.

Terpenoids are derived from ____ via oxygenation or backbone rearrangement.

Terpenoids are derived from terpenes via o____.

____ contain three cyclohexane rings and one cyclopentane ring.

Steroids contain ____

Steroid hormones have ____.

____ hormones have high-affinity receptors, work at low concentrations, and affect gene expression and metabolism.

____ is a steroid important to membrane fluidity and stability.

Cholesterol is a ____ important to membrane fluidity and stability.

Cholesterol is a steroid important to membrane ____.

____ are autocrine and paracrine signaling molecules that regulate cAMP levels.

Prostaglandins are a____ signaling molecules that regulate cAMP levels.

Prostaglandins are autocrine and paracrine signaling molecules that regulate ____ levels.

Prostaglandins have powerful effects on ____.

The fat-soluble vitamins include vitamins ____.

The ____ vitamins include vitamins A, D, E, and K.

____ is metabolized to retinal for vision.

Vitamin A (carotene) is metabolized to ____ for vision.

Vitamin A (carotene) is metabolized to retinal for ____.

____ is metabolized to retinoic acid for gene expression in epithelial development.

Vitamin A (carotene) is metabolized to ____ for gene expression in epithelial development.

Vitamin A (carotene) is metabolized to retinoic acid for ____.

Page 1 of 2Next →