Which of the following proteins is involved in the transport of amino acids across cell membranes?

A Albumin
B Globulin
C Fibronectin
D Amino acid transporter protein
Amino acid transporter proteins are responsible for facilitating the transport of amino acids across cell membranes, which is essential for various cellular processes.
Berg et al. Biochemistry textbook
Protein Metabolism Biochemistry Amino Acid Transport Hard MEDICAL Confidence: medium