Which of the following is the best definition of the term lipid?
A)A molecule made of two or more simpler sugar molecules
B)A substance that is found in living organisms and is insoluble in water but soluble in nonpolar solvents
C)A nucleic acid monomer
D)A small molecule characterized by a carboxyl group at one end of the carbon chain and an amine group on the carbon next to the carboxyl group
E)A catalyst that controls chemical reactions in a living system

Question

Quizplus · Accepted Answer

Lipids are a class of organic compounds that are insoluble in water but soluble in nonpolar solvents, such as alcohol or ether. They are found in living organisms and serve many functions, including energy storage, cell membrane structure, and hormone synthesis. Option A describes a carbohydrate molecule, option C describes a nucleic acid monomer (nucleotide), and option D describes an amino acid. Option E describes an enzyme, not a lipid.

Which of the Following Is the Best Definition of the Term