Presentation top top theme: "Cell Pre-Quiz True of False? every living things room made of cells. Every cells save DNA. Viruses room a type of cell since they save on computer DNA. All cells."— Presentation transcript:




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1 cabinet Pre-Quiz True the False? all living things space made of cells. All cells contain DNA. Viruses room a form of cell since they save on computer DNA. Every cells come from other cells. Bacteria cells have actually a nucleus. Just plant cells have actually a cabinet wall.

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2 cell Pre-Quiz True or false? body tissues are consisted of of cells. All living things start life together a solitary cell. All cells are microscopic. A stem cabinet is a form of cell that can flourish into any kind of tissue or organ. Stem cells are discovered only in a fetus.

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3 Unit 2: Cells: Cell theory (Section 7-1)

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4 Biology criter 1. The an essential life procedures of plants and also animals depend on a range of chemistry reactions that take place in committed areas the the organism’s cells. Together a basis for expertise this concept: –C) college student know how prokaryotic cells, eukaryotic cells (including those from plants and animals), and also viruses differ in complexity and general structure.

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5 Cell concept 1. All living things room made of cell 2. Cells are an easy units the life 3. Every cells room made from other cells

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6 Why cells are necessary What happens inside cells reasons us come be that we are. (Genes) All illness start in ~ the level of the cell. All growth and also life starts indigenous a solitary cell.

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7 species of cell 1. Prokaryote2. Eukaryotic bio

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8 1. Prokaryotes Cells (Prokaryotes) Simplest, “primitive” cell with: –NO membrane-bound oribelles (“little organs”) –NO nucleus: hereditary material floats cost-free in cell agree = prior to karyo = nucleus

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9 Ex: Bacteria (Kingdom Monera) 2 Subdivisions: –1. Eubacteria – “true bacteria” –2.

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Archaea – “ancient bacteria” »Extremophiles: live in harsh atmospheres (hot, acidic, salty)

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10 2. Eukaryotic bio Cells (Eukaryotes) imreparable cells or multicellular Cells contain: – a nucleus (with DNA) – membrane-bound oribel Eu = truekaryo = nucleus facility internal structure –“Compartments” allow many different chemical reactions to take place simultaneously

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11 Examples: –Kingdom Protista – protozoa, algae, amoeba Kingdom mushroom – mushrooms, molds, yeast

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12 Kingdom Plantae (Plants)– arrays from moss come flowering tree Kingdom Animalia (Animals) – ranges from tiny worms to human beings

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13 What about Viruses? -Are lock alive? What perform you think? defect –Cannot thrive or replicate without host (dormant) –Are not cells advantages –Have genetic material (DNA or RNA) –Can replicate (with host) –Have a protein coat

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14 Viruses not ALIVE!!! do of DNA (or RNA) surrounding by a protein coat Viruses space NOT cell & cannot grow –Viruses space extremely little

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