Needed materials
1.Cups with sprouted bean plant--4
2.Marker
3.Ruler
4.Water
Procedure -
Step1 -Gather your material and choose to investigate water or sunlight as a limiting factor.
Step 2-Make a hypothesis related to the limiting factor and the bean plants.
Step3- Plan a two-week investigation to test your hypothesis. Decide the steps of your procedure.
Step 4-Set up your experiment according to the procedure.
Step 5 -On a separate sheet of paper make a data table and record data according to your plan.
the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).
explanation:
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1) clean up you lab area2) dispose of the chemicals as instructed by your teacher3) put everything back where it belongs unless your teacher tells you otherwise4) dispose of gloves5) wash hands with soap and water
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on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.
Consider the skeleton. which skeletal system is represented by the shaded portion of the skeleton? spongy skeleton compact skeleton axial skeleton appendicular skeleton
If you want to double a batch of brownies you must have double the ingredients before you start cooking similarity a cell must double its contents including its dna prior to dividing