Used by American pioneers living in the Great Plains in the 19th century. The emigrants traveled by wagon in search of fertile land in Oregon's Willamette Valley.
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Cells duplicate and condense their DNA prior to entering mitosis. ... Early microscopists were the first to observe these structures, and they also noted the ... forms of chromosomes leading up to and during cytokinesis, the ultimate division of one ... condensin forms rings that coil the chromosomes into highly compact forms.
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they are made to work together and there ae different types
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there just made like that
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In addition to maintaining international peace and security, the United Nations protects human rights, delivers humanitarian aid, promotes sustainable development and upholds international law.
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False
Explanation:
The most specific feature of cardiac muscles is the presence of intercalated discs. Intercalated disc connects the ends of cardiac muscle fibers to one another. The discs have desmosomes and gap junctions. The function of desmosomes is to hold the cardiac fibers together. The gap junctions of cardiac fibers allow muscle action potentials to spread from one cardiac muscle fiber to another. These gap junctions have tubular connexons that form channels and connect the cytosol of adjacent cardiocytes to allow the flow of ions and spread of action potential from one cell to another.