caption: a white sheet with a text that says assignment role of protein in cholera
exif: {"Image DocumentName": "Role of G protein in Cholera", "Image ImageDescription": "Assignment: Role of G protein in Cholera.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}