Which statement regarding the biosynthesis of cholesterol is INCORRECT?
HMG-CoA reductase is the rate-limiting enzyme in cholesterol biosynthesis.
The process occurs primarily in the liver.
NADPH provides the reducing equivalents for the biosynthesis of cholesterol.
Oxygen is directly involved in the condensation of isoprene units to form squalene.
Related Questions
Which of the following best describes the composition of a triglyceride?
One glucose molecule and three fatty acids.
One glycerol molecule and three fatty acids.
Three glycerol molecules and one fatty acid.
One glucose molecule and three amino acids.
A triglyceride is formed from glycerol and:
One fatty acid
Two fatty acids
Three fatty acids
Four fatty acids
Which type of bond is characteristic of saturated fatty acids?
C=C
CC
C-O
C-C
The process of converting unsaturated fats to saturated fats is called:
Hydrolysis
Dehydration
Hydrogenation
Saponification
Arachidonic acid is
A saturated fatty acid
An omega-3 fatty acid
An omega-6 fatty acid
A carbohydrate
Given below is the chemical formula of
Palmitic acid
Stearic acid
Glycerol
Galactose
Hydrolysis of lipid yields?
Fats
Fatty acids and glycerol
Mannose and glycerol
Maltose and fatty acids
A lipid molecule formed by the esterification of glycerol with three fatty acids is known as a:
Monoglyceride
Diglyceride
Triglyceride
Phospholipid
A typical fat molecule is composed of:
One glycerol and three fatty acids
Three glycerols and one fatty acid
One glycerol and one fatty acid
Three glycerols and three fatty acids
Which component of a fat molecule contributes to its hydrophobic nature?
Glycerol backbone
Long hydrocarbon chains of fatty acids
Ester linkages
Phosphate group
