A sodium atom that has lost an electron comes near a chlorine atom that has gained an electron

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.

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explanation:

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those characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution. some things, such as a virus, demonstrate only a few of these characteristics and are, therefore, not alive