What is the primary mechanism by which amino acids are transported into cells?

A Facilitated diffusion
B Active transport ✓
C Passive transport
D Endocytosis

Explanation

Amino acids are transported into cells through active transport, which involves the use of energy to move molecules against their concentration gradient.

Source

Lehninger Principles of Biochemistry
Protein Metabolism Biochemistry Amino Acid Transport Medium MEDICAL Confidence: high