Gwinnett Technical College student Yolanda Hale discusses her Integrative Biology Class laboratory work Program Director Dr. Robert Powers in the Bioscience Laboratory at Gwinnett Technical College in Lawrenceville, GA on Friday, Mar. 20, 2015. Hale is studying the kinetics (properties) of the enzyme tyrosinase (ty-rose’-n-ase) that is being isolated from potatoes.  USDA photo by Lance Cheung.
<p><a rel="nofollow" class="external text" href="https://www.flickr.com/people/41284017@N08">U.S. Department of Agriculture</a>
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Lance Cheung/Multimedia PhotoJournalist
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/usdagov/16734631660/">20150320-OSEC-LSC-0036</a>