Introduction to the Eukaryotic Cell Exercise 3 Introduction to the Eukaryotic Cell
Announcements Students have time to observe Week 2 plates and finish their LNAs. Post Lab 3/Pre Lab 4 are due by the time your lab meets next. LNA Eukaryotic Cell is due next week a the start of lab.
Goals To learn the basic structures associated with eukaryotic cells. To identify the differences between animal and plant cells. To understand the basis of cell culture, and the changes imposed on cells under culture conditions. To understand the techniques of fluorescence and electron microscopy and cell culture.
Animal Cell
Plant Cell
The Exercise Part I: Plant cells: Onion epidermis Basic cell structure of a plant lacking chloroplasts Iodine: observe nucleolus Janus Green: observe mitochondria
The Exercise Part II: Animal cells: Human squamous epithelium Observe differences from the plant cells Do the mitochondria vary in size from those found in plant cells?
The Exercise Part III: Autofluorescence View Tradescantia under the fluorescent microscope Chlorophyll pigments autofluoresce
The Exercise Part IV: Anacharis Leaf Cells View a living plant cell with chloroplasts
The Exercise Part V: Electron Micrographs and Cellular Infrastructure View EM transparencies Identify organelles You may want to take notes for future identification (i.e. Exam 2 and Final)
Rough Endoplasmic Reticulum Be Able to Identify: Nucleus Nuclear envelope Nuclear pore Nucleolus Rough Endoplasmic Reticulum Ribosome Mitochondria
Be Able to Identify: Golgi complex top view section view
Golgi top view
Golgi section view
Be Able to Identify: Mitochondrion
Be Able to Identify: Nucleus Vacuole Chloroplast
Be Able to Identify: Thylakoid
Summary of Exercise 3 Part I: Onion epidermis Part II: Cheek cells slide x 3: water / Iodine / Janus Green size, nucleus, vacuole, cell wall/membrane, chloroplast, mitochondria (?) Part II: Cheek cells slide x 2: water / Janus Green size, nucleus, cell membrane, mitochondria (?) Part III: Tradescantia TA Autofluorescence Part IV: Anacharis Cytoplasmic streaming