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| Are the unit of inheritance that transmits information from parents to offspring, are grouped ino very long DNA molecules called Chromosomes and control the activites of a cell. |
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| a species genes are coded in the sequence of four building blocks making up DNA's ______ |
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| All forms of life use esstentially the same code to translate the information stored in DNA into ______ |
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| of life arises from differences in DNA sequences |
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| Biologists have identified about _______ |
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| Names species and classifies them into a system of broader groups. |
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| Estimates of the actual number of species ranges from |
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| are the most diverse and widespread prokaryotes |
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| are prokaryotes that often live in earth's extreme environments |
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| Have eukaryotic cells and include signle-celled protists and multicellular fungi, animals, and plants. |
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