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YouTubeThe Organic Chemistry Tutor
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This biology video tutorial provides a basic introduction into the four levels of protein structure - primary, secondary, tertiary and quarternary structure. The ...
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Federal government of the United States US President
On Wednesday, the Department of Homeland Security announced it was launching an immigration enforcement operation in the New Orleans area. Video obtained by CNN shows federal agents wearing ICE vests chasing a woman back to her home in Marrero, Louisiana a suburb of New Orleans. CNN’s Ryan Young reports.
1:08
On Wednesday, the Department of Homeland Security announced it was launching an immigration enforcement operation in the New Orleans area. Video obtained by CNN shows federal agents wearing ICE vests chasing a woman back to her home in Marrero, Louisiana a suburb of New Orleans. CNN’s Ryan Young reports.
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