Lab 9 Pre Write Up

Lab 9 Pre Write Up - As the yolk shrinks there is also an...

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Drew Rasmussen Penny Louka Biology 191 Lab 19 October 2010 Lab 9: Animal Development: Pre Lab 1. Consider a chicken egg… a. Carbon Dioxide needs to move out of the egg after cellular respiration occurs, and Oxygen must move into the shell for cellular respiration to occur b. These gases move by diffusion, due to the micro pores of the egg shell allowing for gases to enter and be released.
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Unformatted text preview: As the yolk shrinks there is also an air cell that forms as two membranes pull apart in the egg. This provides the chick with a temporary air supply. 2. The function of the yolk found within the egg is to serve as a food source. This can be distributed in three ways. These ways include Isolecithal, Mesolecithal, and Telolecithal. 3. ***See Drawing Below...
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This note was uploaded on 01/18/2012 for the course BIOL 192L taught by Professor Merlinwhite during the Spring '11 term at Boise State.

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