Go to Khan Academy and practice identifying significant figures. Then screenshot your score and paste it into your warm up.
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1. What is an exact number?
2. How do exact numbers relate to significant figures? 1. Recall and state the relationship between accuracy and precision.
2. A ruler has markings down to the nearest centimeter and is used to measure the internodal length (distance between leaves on a stem) of a specific type of plant. To what level of precision can you report the measurement? (HINT: think nearest number) 1. In your opinion, why would a cell contain enzymes that destroy DNA?
2. What step in our DNA extraction protected your DNA from being destroyed by your cell's enzymes? 3. Some of you got very little DNA yield, others got more. What do you think caused this discrepancy? 1. What are saliva proteins?
2. How can they help people? 1. In your lab yesterday, what was the purpose of the salt solution?
2. In your lab yesterday, what was the purpose of the lysis solution? 1. Why is it important to learn how to isolate DNA?
2. What could you use the isolated DNA for? |
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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