Which enzyme's abnormal activity is implicated in the development of Alzheimer's disease?

A Acetylcholinesterase
B Butyrylcholinesterase
C Amyloid-beta peptide enzyme
D Glutaminyl cyclase
Amyloid-beta peptide enzyme is involved in the formation of amyloid-beta peptides, which are a hallmark of Alzheimer's disease.
NCBI PubMed
Enzymes in Disease Biochemistry Neurodegenerative Diseases Hard MEDICAL Confidence: high