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KEY CONCEPT Understanding biology can help you make informed decisions.

Discover how biology knowledge impacts health, environment, biotechnology, and unanswered questions. Turn and talk to explore solutions and implications. Dive into DNA, biotechnology, and more.

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KEY CONCEPT Understanding biology can help you make informed decisions.

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  1. KEY CONCEPTUnderstanding biology can help you make informed decisions.

  2. Your health and the health of the environment depend on your knowledge of biology. • Knowledge of biology helps you understand your health. • food allergies • potential effects of obesity

  3. brain lungs heart liver kidneys • Knowledge of biology helps you understand your health. • food allergies • cancer • potential effects of obesity • effects of alcohol, tobacco, and other drugs

  4. Turn and Talk • What are some other health issues and solutions that have been proposed?

  5. Knowledge of biology can help you understand environmental issues. • interactions in ecosystems • pollution • biodiversity

  6. Biotechnology offers great promise but also raises many issues. • Biotechnology is the use and application of living things and biological processes.

  7. Biotechnology is the use and application of living things and biological processes. • DNA testing in medicine and forensics • transgenic (genetically modified) crops • transgenic bacteria

  8. Turn and Talk • What kinds of problems can DNA help to solve?

  9. Questions are raised about the use of biotechnology. • safety of genetically modified crops • spread of undesirable genes • decrease in biodiversity • ethical considerations

  10. Biology presents many unanswered questions. • Over the past 50 years, biological knowledge has greatly increased.

  11. There are still many questions to answer in biology. • How are memories stored in the brain?

  12. capsid nucleic acid lipid envelope surface proteins • There are still many questions to answer in biology. • How are memories stored in the brain? • How do viruses mutate? • Does life exist on planets other than Earth?

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