Gwinnett Technical College student Yolanda Hale in the Integrative Biology Class laboratory at 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 she is isolating 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/USDA/Lance Cheung
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