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Biology Themes - • Kingdom Protista contains all...

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Biology Themes cell theory - all organisms consist of cells (basic units of life) Robert Hooke - discovered cells Schleiden/Schwann - concluded that all organisms have cells all cells form from other cells foundation for understanding growth/reproduction of all organisms molecular basis of inheritance - each cell contains detailed plan in its DNA nucleotides - DNA building blocks, 4 total types; 2 strands in each DNA molecule A can only pair w/ T, C can only pair with G (knowing 1 strand guarantees that you know the other strand in DNA) gene - specific sequences of thousands of nucleotides; could code a protein or RNA proteins/RNA determine what the cell is like genome - entire set of DNA instructions evolutionary change/diversity - 3 main groups (Bacteria, Archaea, Eukarya) Archaea group is prokaryote like Bacteria, but more closely related to Eukarya
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Unformatted text preview: • Kingdom Protista - contains all unicellular eukaryotes except yeast, multicellular algae • Kingdom Plantae - organisms w/ cellulose cell walls and perform photosynthesis • Kingdom Fungi - organisms w/ chitin cell walls and perform absorbtion • Kingdom Animalia - organisms that ingest other organisms, lack cell walls evolutionary conservation/similarity- belief that all organisms descended from a single one • characteristics of that single organism still exist in cells today • all eukaryotes have nucleus w/ chromosomes • flagellae in animal kingdom all have 9+2 arrangement of microtubules • homeodomain protein - found in animal, fungi, plant kingdoms; developed early on and hasn't been replaced by better versions...
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