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Cells tend to have a relatively small and uniform size. why aren’t cells larger?
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What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna
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How does science influence the decisions made about social, economic, and political issues?
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Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere
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Which organelle is the primary site of protein production? nucleus ribosomes cytoplasm cell membrane...
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