The validation of the given statement concerning cholesterol and simple bile acids has to be stated. Concept introduction: A bile acid is a derivative of cholesterol and behaves as an emulsifier. Bile acid helps in the absorption of lipids in the intestine. A steroid of C 27 molecule which is a unit of cell membrane and also a precursor of another steroid-based lipid is known as cholesterol.
The validation of the given statement concerning cholesterol and simple bile acids has to be stated. Concept introduction: A bile acid is a derivative of cholesterol and behaves as an emulsifier. Bile acid helps in the absorption of lipids in the intestine. A steroid of C 27 molecule which is a unit of cell membrane and also a precursor of another steroid-based lipid is known as cholesterol.
Solution Summary: The author explains that bile acid is a derivative of cholesterol and behaves as an emulsifier.
Interpretation: The validation of the given statement concerning cholesterol and simple bile acids has to be stated.
Concept introduction: A bile acid is a derivative of cholesterol and behaves as an emulsifier. Bile acid helps in the absorption of lipids in the intestine.
A steroid of C27 molecule which is a unit of cell membrane and also a precursor of another steroid-based lipid is known as cholesterol.
(b)
Interpretation Introduction
Interpretation: The validation of the given statement concerning cholesterol and simple bile acids has to be stated.
Concept introduction: A bile acid is a derivative of cholesterol and behaves as an emulsifier. Bile acid helps in the absorption of lipids in the intestine.
A steroid of C27 molecule which is a unit of cell membrane and also a precursor of another steroid-based lipid is known as cholesterol.
(c)
Interpretation Introduction
Interpretation: The validation of the given statement concerning cholesterol and simple bile acids has to be stated.
Concept introduction: A bile acid is a derivative of cholesterol and behaves as an emulsifier. Bile acid helps in the absorption of lipids in the intestine.
A steroid of C27 molecule which is a unit of cell membrane and also a precursor of another steroid-based lipid is known as cholesterol.
(d)
Interpretation Introduction
Interpretation: The validation of the given statement concerning cholesterol and simple bile acids has to be stated.
Concept introduction: A bile acid is a derivative of cholesterol and behaves as an emulsifier. Bile acid helps in the absorption of lipids in the intestine.
A steroid of C27 molecule which is a unit of cell membrane and also a precursor of another steroid-based lipid is known as cholesterol.
206 Pb
82
Express your answers as integers. Enter your answers separated by a comma.
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VAΣ
ΜΕ ΑΣΦ
Np, N₁ = 82,126
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Previous Answers
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protons, neutrons
Please draw the inverted chair forms of the products for the two equilibrium reactions
shown below. Circle the equilibrium reaction that would have a AG = 0, i.e., the relative energy of
the reactant (to the left of the equilibrium arrows) equals the relative energy of the product? [No
requirement to show or do calculations.]
CH3
CH3
HH
CH3
1
-CH3
5.
Please consider the Newman projection of tartaric acid drawn below as an eclipsed
conformer (1). Please draw the most stable conformer and two intermediate energy conformers
noting that staggered conformers are lower in energy than eclipsed forms even if the staggered
conformers have gauche relationships between groups. [Draw the substituents H and OH on the front
carbons and H, OH and CO₂H on the back carbons based on staggered forms. -CO₂H is larger than -OH.]
OH
COH
ICOOH
COOH
COOH
1
2
COOH
COOH
3
4
Staggered
Staggered
Staggered (most stable)
Indicate the number of each conformer above (1, 2, 3 and 4) that corresponds to the relative energies
below.
Ref=0
Rotation
6. (60 points)
a. Are compounds 1 and 2 below enantiomers, diastereomers or identical?
OH
OH
HO
HO
LOH
HO
HO
OH
2
OH
OH
b. Please complete the zig-zag conformation of the compound
(3R,4S)-3,4-dichloro-2,5-dimethylhexane by writing the respective atoms in the boxes.
3.
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