Electron Micrographs Cell biology.

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Presentation transcript:

Electron Micrographs Cell biology

Electron Photomicrographs (EM’s) 5, 8, 9, 13, 16, 17, 18, 22, 28, 29, 33, 34, 35, 37, 39, & 55 Locate the following structures (not all structures will be on all EM’s): Plasma membrane Nucleus euchromatin heterochromatin nucleolus Rough endoplasmic reticulum (rER) Free ribosomes/ polysomes Smooth endoplasmic reticulum (sER) Golgi apparatus (complex) Mitochondria (singular = mitochondrion) cristae

Electron Micrographs epithelium

4 4. Smooth ER

Horse Leydig cell with a high density of SER characteristic of steroid secreting cells

Horse sperm