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Plasma membranes

AP.BIO: ENE‑2 (EU), ENE‑2.A (LO), ENE‑2.A.1 (EK), ENE‑2.A.2 (EK), ENE‑2.B (LO), ENE‑2.B.1 (EK)


Which of the following is true about the amino acids that make up a transmembrane protein?
Choose 1 answer: