Question
_______ are nonpolar macromolecules found in cell membranes; they prevent ions from freely entering cells.
A.
carbohydrates
B.
nucleic acids
C.
proteins
D.
lipids
A.
carbohydrates
B.
nucleic acids
C.
proteins
D.
lipids
Answers
GPT-4o mini
D. lipids
Lipids are nonpolar macromolecules found in cell membranes, and they help create a barrier that prevents ions and polar molecules from freely entering cells.
Lipids are nonpolar macromolecules found in cell membranes, and they help create a barrier that prevents ions and polar molecules from freely entering cells.