Podcast
Questions and Answers
Which fatty acid has four double bonds?
Which fatty acid has four double bonds?
- Arachidonic acid (correct)
- Myristic acid
- Palmitoleic acid
- Cervonic acid
What is the effect of increasing carbon length on a fatty acid?
What is the effect of increasing carbon length on a fatty acid?
- Thickens the membrane and lowers its melting point
- Thickens the membrane and raises its melting point (correct)
- Makes the membrane less fluid
- Decreases the stability of the membrane
Where is cervonic acid abundantly found?
Where is cervonic acid abundantly found?
- Lung tissue
- Skin cells
- Kidneys
- Retinal photoreceptors (correct)
Which lipid class is essential for the formation and maintenance of cellular membranes?
Which lipid class is essential for the formation and maintenance of cellular membranes?
What are the breakdown products of triacylglycerols under normal conditions?
What are the breakdown products of triacylglycerols under normal conditions?
Which polar group is NOT possible in phospholipids?
Which polar group is NOT possible in phospholipids?
What does increasing double bonds do to a membrane?
What does increasing double bonds do to a membrane?
What is the solubility characteristic of lipids?
What is the solubility characteristic of lipids?
Where is the amphipathic property of lipids useful?
Where is the amphipathic property of lipids useful?
How are lipids classified?
How are lipids classified?
What do fatty acids consist of?
What do fatty acids consist of?
How does chain length affect the hydrophobicity and melting point of fatty acids?
How does chain length affect the hydrophobicity and melting point of fatty acids?
What influences the fluidity and melting point of fatty acids?
What influences the fluidity and melting point of fatty acids?
In which type of solvents do lipids associate together?
In which type of solvents do lipids associate together?
What are the two factors influencing the characteristics of fatty acids?
What are the two factors influencing the characteristics of fatty acids?
Why does the rod outer segment membrane require a high degree of fluidity?
Why does the rod outer segment membrane require a high degree of fluidity?
Which fatty acid is responsible for the high degree of fluidity in the rod outer segment membrane?
Which fatty acid is responsible for the high degree of fluidity in the rod outer segment membrane?
How does cervonic acid composition vary between red blood cell (RBC) and rod outer segment membranes?
How does cervonic acid composition vary between red blood cell (RBC) and rod outer segment membranes?
What are isoprenoids?
What are isoprenoids?
What are the structural components of cholesterol?
What are the structural components of cholesterol?
What is the contribution of cholesterol for ocular functions?
What is the contribution of cholesterol for ocular functions?
What is a chalazion?
What is a chalazion?
