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Multiple Choice
Which of the following statements about lipoproteins is true?
A
Lipoproteins are responsible for transporting lipids in the blood.
B
Lipoproteins are a type of carbohydrate.
C
Lipoproteins are stored in the liver as glycogen.
D
Lipoproteins are composed solely of proteins.
Verified step by step guidance
1
Begin by understanding the basic function of lipoproteins. Lipoproteins are complexes that transport lipids, such as cholesterol and triglycerides, through the bloodstream.
Recognize that lipoproteins are not carbohydrates. They are composed of lipids and proteins, which help in the transport of hydrophobic lipid molecules in the aqueous environment of the blood.
Understand that lipoproteins are not stored in the liver as glycogen. Glycogen is a storage form of glucose, not lipids.
Note that lipoproteins are not composed solely of proteins. They consist of both lipids and proteins, which together form a structure that can carry lipids through the blood.
Conclude that the true statement about lipoproteins is that they are responsible for transporting lipids in the blood, which is their primary function.