Passageways a protein pore that spans a membrane, May have an open or closed gate. Used for water soluble molecules.

Group of answer choices

transport proteins

endocytosis

enzymes

exocytosis

1 answer

The correct answer from the provided choices is transport proteins.

Transport proteins include channels (like pore proteins) that can open or close to allow specific molecules, including water-soluble molecules, to pass through a membrane.