Gwinnett Technical College student Pamela Uwechue sees that she has almost 10 milliliters too much demineralized water in her one liter graduate as part of her Integrative Biology Class laboratory work in the Bioscience Laboratory at Gwinnett Technical College in Lawrenceville, GA on Friday, Mar. 20, 2015. Uwechue is working on a project 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/USDA/Lance Cheung
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