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KEY CONCEPT Technology continually changes the way biologists work.

Explore how technology transforms biology, from imaging views of life to modeling complex systems on computers. Discover how molecular genetics tools are revolutionizing biological studies, providing insight into genes, DNA, and genomics.

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KEY CONCEPT Technology continually changes the way biologists work.

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  1. KEY CONCEPTTechnology continually changes the way biologists work.

  2. stoma Imaging technologies provide new views of life. • A microscope provides an enlarged image of an object. • light microscopes (LM)

  3. stoma Imaging technologies provide new views of life. • A microscope provides an enlarged image of an object. • light microscopes (LM) • scanning electron microscopes (SEM)

  4. stoma Imaging technologies provide new views of life. • A microscope provides an enlarged image of an object. • transmission electron microscopes (TEM) • light microscopes (LM) • scanning electron microscopes (SEM)

  5. Imaging technology is used in medicine. • X-ray images

  6. Imaging technology is used in medicine. • magnetic resonance imaging (MRI) • X-ray images

  7. Imaging technology is used in medicine. • functional MRI (fMRI) • X-ray images • magnetic resonance imaging (MRI)

  8. Complex systems are modeled on computers. Normal heartbeat • Computer models are used to study systems that cannot be studied directly. • heart attacks • effect of medicines on the human body • movement of water molecules into and out of a cell • spread of a disease through a population Heart attack • Computer models are used when experiments are not safe, ethical, or practical.

  9. The tools of molecular genetics give rise to new biological studies. • A gene is a segment of DNA that stores genetic information.

  10. Through our understanding of DNA, we can study genetics on a molecular level. • molecular genetics • genomics

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