A rare genetic disorder affects lipid metabolism by impairing the synthesis of plasmalogens. Which membrane component would be MOST directly affected?
Mitochondrial inner membrane
Nuclear envelope
Myelin Sheath
Lysosomal membrane
Related Questions
Lecithin is an example of a(n):
Triacylglycerol
Steroid
Phospholipid
Polysaccharide
Which of the following correctly describes the solubility of lipids?
Soluble in water, insoluble in organic solvents
Insoluble in water, soluble in organic solvents like ether and chloroform
Soluble in both water and organic solvents
Insoluble in both water and organic solvents
Which lipid acts as a precursor for both prostaglandins and leukotrienes?
Linoleic acid
Palmitic acid
Arachidonic acid
Oleic acid
Which component of lecithin contributes to its amphipathic nature, allowing it to form bilayers in cell membranes?
Glycerol backbone only
Fatty acid chains only
Phosphate group only
Phosphate group and fatty acid chains
A typical fat molecules is made up of:
Three glycerol molecules and one fatty acid molecules
One glycerol and three fatty acid molecules
One glycerol and one fatty acid molecule
Three glycerol and three fatty acid molecules
Why does gingely oil remain liquid at lower temperatures, unlike some other oils?
It is rich in saturated fatty acids.
It has a high melting point.
It is composed primarily of phospholipids.
It is rich in unsaturated fatty acids with lower melting points.
Identify the non-polymeric substance from the following options.
Proteins
RNA
Starch
Fats
Which of the following substances are NOT examples of polymers?
Proteins
Nucleic acids
Polysaccharides
Lipids
Which type of bond is characteristic of saturated fatty acids?
C=C
CC
C-O
C-C
Which component of a fat molecule contributes to its hydrophobic nature?
Glycerol backbone
Long hydrocarbon chains of fatty acids
Ester linkages
Phosphate group