Starch Discovery (IMAGE) John Innes Centre Caption Wheat starch granules observed under the Scanning Electron Microscope. Large A-type and small B-type granules are visible. Credit Brendan Fahy/Nitin Uttam Kamble Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.