Copy the following in your journal (page 5)

                                Heading: Cell Types and Domains

Cell Types: ...
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Cell Types And Domains

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Cell Types And Domains

  1. 1. Copy the following in your journal (page 5) Heading: Cell Types and Domains Cell Types: Based on the organization of their cellular structures, all living cells can be divided into two groups: prokaryotic and eukaryotic (also spelled procaryotic and eucaryotic). Animals, plants, fungi, protozoans, and algae all possess eukaryotic (nucleus is present) cell types. Only bacteria have prokaryotic (no nucleus) cell types. 3 Domains: 1. The Archaea (archaebacteria) The Archaea possess the following characteristics: • Archaea are prokaryotic cells. • Archaea are not sensitive to some antibiotics that affect the Bacteria, but are sensitive to some antibiotics that affect the Eukarya. 2. The Bacteria (eubacteria) The Bacteria possess the following characteristics: • Bacteria are prokaryotic cells. • The cell walls of Bacteria contain peptidoglycan. • Bacteria are sensitive to traditional antibacterial antibiotics but are resistant to most antibiotics that affect Eukarya. 3. The Eukarya (eukaryotes) The Eukarya (also spelled Eucarya) possess the following characteristics: • Eukarya have eukaryotic cells. • Eukarya are resistant to traditional antibacterial antibiotics but are sensitive to most antibiotics that affect eukaryotic cells. • Broken into 4 Kingdoms: Protista, Fungi, Plantae, and Animalia •

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