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ill 82% One primary characteristic of chromosomes is that chromosomes are located in the center of cells, called the nucleus. ... Each chromosome actually features protein and a single DNA molecule. The DNA remains wrapped around histones, which are spool-like proteins, because of the unique structure of chromosomes.

i think that the best answer would be c.

tell me if im wrong : )

not only is it colder, it also becomes darker, less salty, and more dense.