<span>Proteins that are involved in the packaging of eukaryotic chromosome into "beads" called nucleosome are histones.</span>
A nucleosome is a segment of DNA wound in sequence around eight proteins called histones. Together the DNA and the histones form "beads"
A nucleosome is the basic unit of DNA packaging in eukaryotic cells.
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1. physical and chemical barriers
2.non-specific innate response
3. specific adaptive responses
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medium. (Science: cell biology) shorthand for culture medium or growth medium, the nutrient solution in which cells or organs are grown.
Explanation the top one is math mines biology
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Carbon Cycle: the series of processes by which carbon compounds are interconverted in the environment, involving the incorporation of carbon dioxide into living tissue by photosynthesis and its return to the atmosphere through respiration, the decay of dead organisms, and the burning of fossil fuels.
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