Ryan just ate a very protein-rich meal. Because of this, the amino acid levels in his blood currently exceed the transport maximum and the renal threshold for amino acids (65 mg/dL). What will happen to the excess amino acids?

• A. They will be reabsorbed.
• B. They will bond to sodium ions.
• C. They will end up in the urine.
• D. They will build up in the nephron.