EXP #2 | Lipids Flashcards
What is the positive and negative result for the Libermann-Burchard Test?
Positive: bluish-green color
Negative: no color change
What is the positive and negative result of the Ninhydrin Test?
Positive: blue or violet solution
Negative: no color change
What is the positive and negative result of the Molisch Test?
Positive: purple/violet ring
Negative: colorless
What is the positive result for the Kraut’s Test?
Dark-orange to red precipitate
What is the positive result for the Acrolein Test?
Gives a burnt fat odor
What is the positive result for the Phosphate Test
Yellow precipitate
Are macromolecules that are insoluble in water
Lipids
Unlike carbohydrates, proteins, and nucleic acids, lipids are ________ in nature
not polymeric
Most of the components of __________ are lipids
biological membranes
Lipids that are classified as Saponifiable are the following:
T - __________
G - __________
S - __________
S - __________
B - __________
(1) Triacylglycerols
(2) Glycerophospholipids
(3) Sphingophospholipids
(4) Sphingoglycolipids
(5) Biological Waxes
Lipids that are classified as Nonsaponifiable are the following:
C - __________
B - __________
S - __________
E - __________
(1) Cholesterol
(2) Bile Acids
(3) Steroid Hormones
(4) Eicosanoids
Is a good source of nutrition for humans since it provides a complete diet for a developing embryo and serves as the principal source of food for the first few days of a chick’s life
Egg
An average egg may weigh approximately (1) ______ wherein (2) ____% is attributed to the shell constituents, (3) ____% for the egg white, and (4) ____% for the egg yolk.
(1) 57 grams
(2) 11%
(3) 58%
(4) 31%
One whole egg contains approximately (1) ____% water, (2) ____% protein, (3) ____% fat, and (4) ____% ash
(1) 74%
(2) 13%
(3) 11%
(4) 1%
Egg white does not contain __________ and they are normally found in the egg yolk
fats
