Bio1 Buzz words jan2009 PP

1) The students used a cork borer to cut cylinders from the carrot.  Describe how the students should cut these cylinders to make sure that this was a fair test and would produce reliable results.

• Lengthways
• Through one tissue 

2) It was important to have a control group in this trial.  Explain why.

• To allow comparison 
• AND (YOLO, do both because some MS want this instead) To see effectiveness of new drug to treat asthma (or whatever the question is about)

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