What is the origin of the word "Lipid"
comes from the Greek word “lipos” meaning “fat”
What is the importance of Lipids for the human body
- for the cell membrane
- for fat-soluble vitamin
- to make steroid hormones
can you hydrolyze cholesterol or steroids if no then why not
no, because they don't have any fatty acids attached to them
What is the simplest form of lipid
fatty acids
do Naturally occurring fatty acids have an even or odd number of carbon atoms
even
name examples of fatty acids
palmitic (C16), oleic (C18), linoleic (C18),lauric (C12) and stearic (C18) acids
Where can u find Lauric acid
in coconut oil
What is the molecular formula for saturated fatty acids
[CnH2n+1COOH].
What is the molecular formula for unsaturated fatty acids
[CnH2n-1COOH].
What is the molecular formula for polyunsaturated fatty acids
CnH2n - 2xO2 (idk if [CnH2n-2xCOOH]. is possible or not)
is the cis or trans unsaturated fatty acids more commonly occurring naturally
The cis structure is found in almost all naturally occurring unsaturated fatty acids
What type of fatty acids does the Human body find difficult to synthesis, give examples
Polyunsaturated fatty acids that are essential fatty acids, like linoleic acid and arachidonic
What is the use of Waxes
- cover leaves to prevent loss of water and damage from pests
- on the skin, fur, and feathers of animals and birds provide a waterproof coating
- palm trees wax(carnauba wax) are used to give a protective coating to furniture, cars, and floors
- Jojoba wax is used in making candles and cosmetics such as lipstick
- Lanolin, a mixture of waxes obtained from wool, is used in hand and facial lotions to aid retention of water, which softens the skin
What is tristearin
a triglyceride composed of three stearic acid molecules connected to a glycerol molecule through ester linkages
are Most fats and oils simple or mixed triacylglycerols
mixed
at what pH does the Amino Alcohols ionize
7.4
Where are Lecithins and cephalins abundant
brain and nerve tissues as well as in egg yolks, wheat germ, and yeast
What is The Molecular formula of cholesterol
C27H45OH
is cholesterol solid or liquid
Solid
What else do we name Cholesterol
cyclo-pentano-perhydro-phenanthrene nucleus
What is zwitterionic nature
a functional group molecule in which at least one has a positive electrical charge and one a negative electrical charge, basically a hybrid