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Trick question its a diagram. You need a paper and a pencil.
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Species of the genus Leishmania
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The details of the research can be studied at : https://www.sciencemag.org/news/2009/09/mystery-desert
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Carbohydrates are the sugars and their polymers. Simple sugars are called monosaccharides. These can be joined to form polysaccharides (3.5, pg 38). Glucose is an important monosaccharide.
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Nucleosomes in turn are wrapped into 30-nanometer fibers that form tightly packed chromatin. Histones prevent DNA from becoming tangled and protect it from DNA damage. In addition, histones play important roles in gene regulation and DNA replication. Without histones, unwound DNA in chromosomes would be very long.