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vitfil [10]
3 years ago
15

List the four steps needed to extract Dna

Biology
1 answer:
dalvyx [7]3 years ago
5 0
As an example I will tell you how to extract DNA from peas

1. Blender insanity 
<span>The blender separates the pea cells from each other, so you now have a really thin pea-cell soup
</span>2. Soapy peas

3. Enzyme Power

4. Alcohol Seperation 
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Please solve this lab reportJohn had a science fair project that he needed to do. He wanted to test the effects that organic and
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Answer:

This question is incomplete; the complete part is: what are the independent, dependent, and controlled variables?

Independent variable: ORGANIC AND CHEMICAL FERTILIZERS

Dependent variable: HEIGHT OF PLANT

Controlled variable: Same type of seed, water

Explanation:

Independent variable is the variable that is changed or manipulated by the experimenter. In this question, John wanted to test the effects that organic and chemical fertilizers had on plant growth. Hence, the independent variable is the ORGANIC AND CHEMICAL FERTILIZERS used.

Dependent variable is the variable that responds to changes made to the independent variable. The dependent variable is the variable that is measured in an experiment. In this case, the HEIGHT OF PLANTS MEASURED is the dependent variable.

Controlled variable or Constant is the variable that is kept unchanged throughout the experiment in order not to influence the experimental result or outcome. In this case, the controlled variable is the SAME TYPE OF SEED USED, WATER.

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<span>A woman's ovary is sixteen times the size of a single sperm. This allows said sperm, or any of its friends, to penetrate the ovary with ease and precision. The ovary will also serve as the home for this sperm during its growth, proving that its larger size has multiple purposes in assisting in sperm growth.</span>
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Explanation:

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