Podcast
Questions and Answers
What is the backbone of Glycerophospholipids?
What is the backbone of Glycerophospholipids?
- Phosphatidylinositol
- Phosphatidylglycerol
- Glycerol-3-phosphate (correct)
- Cardiolipin
What is the structural difference between phosphatidylethanolamine and phosphatidylcholine that makes them stay in the origin in Electrophoresis?
What is the structural difference between phosphatidylethanolamine and phosphatidylcholine that makes them stay in the origin in Electrophoresis?
- High molecular weight
- Negative charge
- Neutral charge (correct)
- Positive charge
Which lipid will travel towards the positive in Electrophoresis due to its overall negative charge?
Which lipid will travel towards the positive in Electrophoresis due to its overall negative charge?
- Cardiolipin
- Phosphatidylethanolamine
- Phosphatidylcholine
- Phosphatidic acid (correct)
What is the key structural difference between Sphingosine and Glycerophospholipids?
What is the key structural difference between Sphingosine and Glycerophospholipids?
Which lipid is formed when the 1st and 2nd hydroxyl groups of glycerol are linked to fatty acids and only the 3rd hydroxyl group is attached to a phosphate group?
Which lipid is formed when the 1st and 2nd hydroxyl groups of glycerol are linked to fatty acids and only the 3rd hydroxyl group is attached to a phosphate group?
Which lipid results from the esterification of serine with palmitic acid?
Which lipid results from the esterification of serine with palmitic acid?
What is the overall charge of phosphatidylserine?
What is the overall charge of phosphatidylserine?
Which type of chains are bent in glycerophospholipids?
Which type of chains are bent in glycerophospholipids?
What type of bonds do phospholipases hydrolyze in glycerophospholipid molecules?
What type of bonds do phospholipases hydrolyze in glycerophospholipid molecules?
What is the role of GPI anchors in biological membranes?
What is the role of GPI anchors in biological membranes?
What type of bonds do lipases hydrolyze in lipids?
What type of bonds do lipases hydrolyze in lipids?
What is the defining characteristic of membrane lipids mentioned in the text?
What is the defining characteristic of membrane lipids mentioned in the text?
Why are glycerophospholipids classified as 'bipolar'?
Why are glycerophospholipids classified as 'bipolar'?
What chemical feature causes the bending in unsaturated lipids?
What chemical feature causes the bending in unsaturated lipids?
What structural component allows sphingolipids to form a bilayer?
What structural component allows sphingolipids to form a bilayer?
What distinguishes glycolipids from glycerophospholipids and sphingolipids?
What distinguishes glycolipids from glycerophospholipids and sphingolipids?
What is the result if the phosphate and alcohol in sphingolipids are replaced with hydrogen?
What is the result if the phosphate and alcohol in sphingolipids are replaced with hydrogen?