Podcast
Questions and Answers
What is the main reason why waxes are completely water insoluble?
What is the main reason why waxes are completely water insoluble?
- The long tails of the waxes contribute significant hydrophobicity (correct)
- The small head group contributes significant hydrophilicity
- The waxes are formed by the saponification of triacylglycerols
- The esterification of fatty acids and long-chain alcohols creates a hydrophilic environment
What is the function of waxes in some marine microorganisms?
What is the function of waxes in some marine microorganisms?
- To form micelles around proteins
- For energy storage (correct)
- To serve as water repellents
- To serve as a structural function
What is the characteristic of the salts of dodecyl sulfate with divalent cations?
What is the characteristic of the salts of dodecyl sulfate with divalent cations?
- They are not soluble at all
- They are more insoluble
- They are more soluble (correct)
- They are less soluble
What is the general shape of the membrane-forming lipids?
What is the general shape of the membrane-forming lipids?
What is the purpose of sodium dodecyl sulfate (SDS) in gel electrophoresis?
What is the purpose of sodium dodecyl sulfate (SDS) in gel electrophoresis?
What determines the firmness of waxes?
What determines the firmness of waxes?
What is the typical range of carbon atoms in a fatty acid's hydrocarbon chain?
What is the typical range of carbon atoms in a fatty acid's hydrocarbon chain?
What is an example of a saturated fatty acid?
What is an example of a saturated fatty acid?
What is the term for a fatty acid with one or more double bonds?
What is the term for a fatty acid with one or more double bonds?
What is the term for the triesters of fatty acids and glycerol?
What is the term for the triesters of fatty acids and glycerol?
What is a characteristic of naturally occurring fatty acids?
What is a characteristic of naturally occurring fatty acids?
What is one of the functions of fat storage in animals?
What is one of the functions of fat storage in animals?
What type of structure do membrane lipids tend to form in contact with water?
What type of structure do membrane lipids tend to form in contact with water?
What is the result of hydrolyzing fats with strong bases?
What is the result of hydrolyzing fats with strong bases?
What is the function of adipocytes in adipose tissue?
What is the function of adipocytes in adipose tissue?
What is a disadvantage of soap as a cleanser?
What is a disadvantage of soap as a cleanser?
What is the function of fat storage in animals that live in cold environments?
What is the function of fat storage in animals that live in cold environments?
What is the term for the process of hydrolyzing fats with strong bases to produce soap?
What is the term for the process of hydrolyzing fats with strong bases to produce soap?
