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
A lipid molecule composed of glycerol, two fatty acids, and a phosphate group is classified as a:
Triglyceride
Steroid
Phospholipid
Wax
What is the primary function of waxes in plants?
Energy storage
Structural support
Prevent water loss
Cellular communication
Which lipid is a major component of cell membranes?
Triglycerides
Cholesterol
Waxes
Phospholipids
Which of these is a steroid?
Glycerol
Palmitic acid
Cholesterol
Lecithin
A triglyceride is formed from glycerol and:
One fatty acid
Two fatty acids
Three fatty acids
Four fatty acids
Which of the following is a derived lipid?
Triglycerides
Waxes
Steroid hormones
Phospholipids
Fatty acids with no double bonds are called:
Unsaturated
Polyunsaturated
Saturated
Hydrogenated
Which of the following is NOT a lipid?
Cholesterol
Triglyceride
Glycogen
Phospholipid
The process of converting unsaturated fats to saturated fats is called:
Hydrolysis
Dehydration
Hydrogenation
Saponification
Which of the following is NOT a characteristic of essential fatty acids?
They are polyunsaturated fatty acids.
They are necessary for proper cell function.
They include linoleic acid and linolenic acid.
They can be synthesized by the human body.
