This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Protein found in amyloid deposits in senile amyloidosis, except 
Select and explain. 
A. Transthyretin., B. Beta- amyloid protein, C. Amyloid of prion., D. AL protein.
D: AL protein.
Answer: D: AL protein. 
Explanation: The biochemical type of protein found in the amyloid deposits in senile amyloidosis are amyloid transthyretin (ATTR), β amyoloid protein (Aβ) and amyloid of prion protein (APrP).