There is Aloe oil or pencils made from trees
Gel electrophoresis separates DNA,RNA, and proteins. DNA fragments are separeted by their size, and proteins are separated by their size and charge (different proteins have different charges).
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Society is largely responsible for how funding is spent. Members of society can choose whether or not to support government funding for certain research.
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An otter's den is called a holt or couch.
Explanation: Otters are found almost all over the world and in many wet habitats, such freshwater rivers, lakes, oceans, coastlines and marshes. Most otters live in dens — built by other animals, such as beavers — that are dug into the ground that have many channels and dry inner chambers