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 type of bond is characteristic of saturated fatty acids?
C=C
CC
C-O
C-C
Tay-Sachs disease is caused by a deficiency in the enzyme hexosaminidase A. This leads to the accumulation of which lipid in the brain?
Cerebroside
Sphingomyelin
GM2 ganglioside
Phosphatidylcholine
Phospholipids are
Amphipathic
Amphibolic
Hydrophobic
None of these
Paraffin wax is
a complex carbohydrate.
a mixture of solid hydrocarbons.
a type of lipid found in plants.
a synthetic polymer.
Which of the following is a derived lipid?
Triglycerides
Waxes
Steroid hormones
Phospholipids
Lecithin, a relatively small organic molecule found in various living tissues, belongs to which class of biomolecules?
Carbohydrate
Protein
Nucleic Acid
Lipid
A typical fat molecules is made up of:
Three glycerol molecules and one fatty acid molecules
One glycerol and three fatty acid molecules
One glycerol and one fatty acid molecule
Three glycerol and three fatty acid molecules
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
Hydrolysis of lipid yields?
Fats
Fatty acids and glycerol
Mannose and glycerol
Maltose and fatty acids
Which lipid is a major component of cell membranes?
Triglycerides
Cholesterol
Waxes
Phospholipids