PreLab3

PreLab3 - WORKSHEET 3 Microscope and Cellular Division BIO...

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WORKSHEET 3 Microscope and Cellular Division BIO 182 / 2010 Fall NAME: Total Point: 10 1. Label the below statements as either true or false. If the statement is false, correct it so it is true ( 2 pts ) A. On a compound microscope, it is best to initially focus using the 40x objective lens. False B. The field of view is larger at 4x than at 40x. True C. A dissecting microscope is best to use for objects that need to be manipulated because it has a small working distance. False D. On a compound microscope, it is safe to use the coarse adjustment with an objective lens above 4x (i.e. both 40x and 100x). False E. In general, dissecting microscopes have a larger depth of field than compound microscopes. True F. On a compound microscope, the ocular magnification does not increase the total magnification of the image. False 2. Mitosis ( 2pts ) (1) What is the purpose of mitosis in multicellular eukaryotic organisms? ( Hint : what is the end product of mitosis?) (0.5pts) Mitosis in multicellular organisms allows the organism to have more cells, and to replace cells that died or were lost (like an open wound, blood cells would be lost). (2) Where does it occur in the human body, in somatic cells or gonadal cells?
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This note was uploaded on 09/14/2011 for the course BIO 182 taught by Professor Jacobson during the Spring '11 term at ASU.

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PreLab3 - WORKSHEET 3 Microscope and Cellular Division BIO...

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