Amyloid protein in human being is:: (A) A naturally present protein in normal individuals, (B) Involves selectively blood vessels, (C) Is visible by naked eyes as whitish cheesy material, (D) A material which gets deposited in extracellular spaces
Answer is D. Ans. D. A material which gets deposited in extracellular spaces(Ref. Robbins and Cotran Pathologic basis of Disease 9/e Chapter 6)Amyloid FibrilsPhysical nature of amyloidX-ray crystallography and infrared spectroscopy demonstrate a characteristic cross-b-pleated sheet conformation.