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Essential Life Concepts: Examining Cellular Life, Diversity, and Models

Explore key concepts for your midterm exam and beyond, including cellular life, biodiversity, adaptation, DNA, structures of life, and energy in biology. Learn about unicellular vs. multicellular organisms, species reproduction, and the significance of models in biological studies.

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Essential Life Concepts: Examining Cellular Life, Diversity, and Models

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  1. Key Concepts -for MIDTERM EXAM and beyond

  2. The “cellular” life • Unicellular vsMulticellular • Group work

  3. The “diverse” life • What is biodiversity? • Species-ability to successfully reproduce • Adaptation-successful changes over time

  4. Models of life • Computer simulation? • The real deal---DNA---on the molecular genetics level

  5. quick side-step---chemistry • When it is all “boiled down” to the basics: • Structure of an atom----like the cell (a smallest unit, but without life)

  6. quick side-step---chemistry (cont.) • 1) physical state of any matter: solid, liquid, or gas: • solid • liquid • gas

  7. Now, importance to biology • ENERGY: • Bonds break and release ENERGY • Release of energy is EXOTHERMIC versus endothermic

  8. How does this happen for biology? • In the cell, specifically, the cytoplasm: • Eukaryotic versus • Prokaryotic • Organelles and a cytoskeleton

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