Cholesterol travels the bloodstream as part of what macromolecule?

Explain your answer in terms of the exogenous, endogenous and reverse cholesterol blood lipid transport pathways.

This question has two parts.Part A. Which structure or molecule is responsible for transporting substances across the plasma membrane if they cannot enter through simple diffusion?Select one:a.Spindle fibersb.Cholesterolc.Proteinsd.CarbohydratesQUESTION 8Question textPart B. Which statement supports your answer to Part A?Select one:a.Carbohydrates act as carriers to transport large particles through the membrane.b.Cholesterol molecules can be formed into openings for active transport.c.Protein molecules form pores that allow substances to pass through.d.Spindle fibers stretch from the outside to the inside of the membrane to allow passage of substances.

Cholesterol is eliminated from our body through which organ? A Gall bladder B Liver C Heart D Kidney

Cholesterol belongs to which class of molecules?Group of answer choiceslipidscarbohydratesproteinsnucleic acidsamino acids

Cholesterol is a type of lipid that helps keep cell membranes fluid rather than stiff.What aspect of a cholesterol molecule's structure helps it fulfill this role?A.It contains two hydrocarbon chains that attract water and a phosphate group that repels water.B.It contains two hydrocarbon chains that repel water and a phosphate group that attracts water.C.Its straight structure packs tightly with the straight hydrocarbon chains of other membrane lipids.D.Its slight bend keeps the straight hydrocarbon chains of other membrane lipids from packing together.