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BIOL 1108 Test 3 study guide questions and answers Graded A+ What defines eukaryotes + what must they also have? Eukaryotes are by definition organisms that have membrane-bound organelles in their cell(s) with the nucleus being the organelle for which
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BIOL 1108 Test 3 study guide questions and answers Graded A+ What defines eukaryotes + what must they also have? Eukaryotes are by definition organisms that have membrane-bound organelles in their cell(s) with the nucleus being the organelle for which they are officially named (eu = "true" + kary = "nucleus"). Explain the membrane folding (infolding) theory: An ancestral prokaryote had a normal cell structure with DNA, cytoplasm, and a plasma membrane, but over time, the plasma membrane began to fold inward, creating the nucleus, nuclear envelope, and endoplasmic reticulum, essentially making a new, eukaryotic
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