2. Describe how you would prepare 500ml of 1x TAE buffer for a 50x TAE stock solution.
ECHS Biology & Biotechnology with Mrs. Husselstein |
Warm Ups
1. In terms of solutions, what does it mean for something to be concentrated?
2. Describe how you would prepare 500ml of 1x TAE buffer for a 50x TAE stock solution.
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1. What does it mean to dilute something?
2. Tell me one equation used to calculate dilutions and include what the variables stand for. 1. What is the difference between a stock solution and a working solution?
2. What is the difference between a solute and a solvent? 1. When using a serological pipette, what is the purpose of the cotton plug at the top of the pipette?
2. What is the mass of 26 ml of water? 1. Which size micropipet would you use to accurately measure 20 microliters?
2. Which size micropipet would you use to accurately measure 5 microliters? Refer to the pdf file posted in Classroom on Monday on How to Use a Micropipette.
1. Describe step-by step how to load a sample into the micropipette. 2. Describe step-by-step how to deliver a sample from the micropipette. Answer the pre-lab question on the form. Screenshot that you've completed it.
Go to Khan Academy and practice identifying significant figures. Then screenshot your score and paste it into your warm up.
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Mrs. HusselsteinBiotechnology I Warm-Up questions. Please write your answers in the Warm-Up document provided weekly on Google Classroom. Archives
December 2018
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