Final answer:
True. Transmembrane proteins can be single or multi-pass, meaning they can have one or multiple hydrophobic segments that span the entire plasma membrane.
Step-by-step explanation:
True/False: Transmembrane may be single or multi-pass.
True. Transmembrane proteins span the entire plasma membrane and can be either single-pass or multi-pass. Single-pass transmembrane proteins have one hydrophobic segment that spans the membrane, while multi-pass transmembrane proteins have multiple hydrophobic segments that span the membrane.