write up
due April 11th

Lab 4 OCC 

1. please read the protocol for your OCC lab 4












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2.  complete the pre-lab questions








​3. Ac​cess the resources below for 
reference




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1. please read the introduction to your 
third virtual lab

         2. access the protocol pdf below






         3. Refer to these resources


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Lab 4 Virtual

Bio 112 Lab 4