Cells_Protocol - Name: _ Lab Section: _ Microscopic...

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Microscopic Examination of Cells/1 KLE 9/29/10 Name: _________________________ Lab Section: _________________________ Microscopic Examination of Cells Pre-Lab Questions 1. Read through this handout and visit the link to the Microscope Study Guide in the module for this lab and fill in the functions of the microscope parts (best you can) listed on page 4 (step 3). 2. Look up the definitions for the terms on page 5 (step 4). 3. Examine figures 6.6 and 6.9 in your text and list the structures typical to: animal cells plant cells bacteria 4. Circle the structures in the lists above you expect to see using a light microscope. Hint: use your textbook to help you answer this! Turn in this page at the beginning of the lab period.
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Microscopic Examination of Cells/2 KLE 9/29/10 Background and Theory In this laboratory exercise, you will familiarize yourself with the parts of a microscope and techniques of sample preparation and then use these skills to examine different cell types. You will identify the structures common to all cells and compare and contrast: prokaryotic and eukaryotic cells and, plant and animal cells. Prokaryotic cells are simple in structure, lack a nucleus and internal membranes, and are generally smaller than eukaryotic cells. Prokaryotic cells are unicellular organisms, but may be found living in complex associations with one another (colonies, biofilm). Prokaryotic cells are bacteria and are contained in the two domains, Archaea and Bacteria. Prokaryotic cells, united by their lack of a nucleus, nevertheless can look very different from each other. Eukaryotic cells are more complex structurally. They have a nucleus, intracellular membranes and organelles, and are generally larger than prokaryotic cells. Some eukaryotic cells are unicellular organisms (protists - protozoa and algae, fungi - yeasts) but many are arranged into more complex tissues and organs and make up multicellular organisms. The group protista and the kingdoms fungi, plantae, and animalia contain organisms made up of eukaryotic cells. Not only do the cells of different eukaryotic organisms look different from each other, different cells of the same (multicellular) eukaryotic organism may also look very different. You will focus on the cells of two eukaryotic kingdoms in this lab – plantae and animalia. You will be able to appreciate cellular diversity much more after you have completed this lab!
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Microscopic Examination of Cells/3 KLE 9/29/10 After finishing this lab, you should be able to identify and name the parts of the microscope and their functions use, clean, and store a microscope properly explain the difference between magnification and resolution
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This note was uploaded on 10/19/2010 for the course BIO bio1a taught by Professor Erikson during the Spring '10 term at Foothill College.

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Cells_Protocol - Name: _ Lab Section: _ Microscopic...

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