History Review• Take a minute to remember how the cell theory came to be. Many different scientists worked separately, but when their information was put together, it was enough to form the Cell Theory.
What the words mean:Prokaryotes Eukaryotes• Pro = before • Eu = true• Karyose = kernel, which • Karyose = kernel, the represents the nucleus nucleus• So prokaryotes are the • So eukaryotes are the cells without a true cells with a true nucleus nucleus
Compare and Contrast• Your turn: What is similar and what is different about Prokaryotic cells and Eukaryotic cells?• Compare and contrast using a double bubble:
Similarities and Differences Prokaryotic cell Eukaryotic cell• DNA- circular, has no • DNA- linear, has ends ends • Found in animals, plants,• Bacteria and fungi (yeast)• Nucleoid – not a real • True membrane bound structure, just a word to nucleus surrounding describe the inside of the chromosomes cell where the nuclear • Larger cells- could be material sits seen on 400x• Tiny cells- tough to see on 400x
More similarities and differences Prokaryotes Eukaryotes• Ribosomes are simple • Ribosomes are complex• No membrane bound • Membrane bound organelles organelles
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