Cell Biology - Learning Objective 1 Concepts

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7 Terms

1
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What is Cell Theory?

All organisms are composed of cells and all cells descend from pre-existing cells

2
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What are the hypothesis for how cells evolved?

Creation from non-living material, space seeding and evolved from non living material

3
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What are predictions that come from cells evolved from nonliving material?

Continued to evolve over time and display descent with modification

4
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What is the evidence for descent with modification?

Common ancestor, closely related groups share properties, specilization

5
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What are the shared properties/processes of cell types?

Replication, membrane/selectively permeable, organelles (Eukaryotes), genetic material, metabolism, water based, CHONPS

6
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What are the 3 domains of life?

Bacteria, Archea and Eukaryote

7
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What are the characteristic features of bacteria?

No nucleus, no membrane bound organelles, unicellular(Can form colonies), cell walls made of peptidoglycon, refined genome (no noncoding DNA) and ribosomes are unique