Lecture Notes 11-3-08 - Chapter9 VisualizingCells...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 9 Visualizing Cells
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
Cell Structure A typical eukaryotic cell is 10 - 20  μ m in  diameter, which is about 1/5 th  the size of the  smallest particle visible to the naked eye The naked eye could visualize the first two  panels of figure 9-1 The light microscope can resolve details 0.2  μ apart (first four panels of figure 9-1) The electron microscope can resolve details up  to about 2 nm (to the seventh panel of figure 9- 1)
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
The light microscope  employs visible light to  detect small objects We see objects in the light  path because natural  pigmentation or stains  absorb light, or because the  objects absorb a significant  amount of light The condenser  is used to focus  light on the  specimen  through an  opening in the  stage 
Background image of page 4
Living Cells Specimen preparation to obtain contrast for  visualizing different cell components can result 
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/22/2010 for the course BE 2400 taught by Professor Goldman during the Fall '08 term at Michigan Technological University.

Page1 / 8

Lecture Notes 11-3-08 - Chapter9 VisualizingCells...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online