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garri49 [273]
3 years ago
8

Does every scientific method begin with an observation explain

Biology
1 answer:
Yuki888 [10]3 years ago
7 0
No, not every scientific method begin with an observation. on basis of what we want, steps for scientific method changes.
And in scientific method before observation, first we predict (what will happen in the experiment). after prediction we observe. Prediction is known as hypothesis. And observation is what we are viewing.
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In 1970 only about 20% of Psychology majors were women. In recent polls women now make up just over 70% of psychology majors. I would say the answer is False.
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Calculate the actual size of the organelle (A to B). Show all your workings in microns (um). <br>​
fredd [130]

To measure the diameter of a organelle with a scale line of 1 µm.

  1. Measure the length of the scale line on the micrograph in mm, e.g. 1 µm = 17mm.
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<h3>How do you find the actual size of an organelle?</h3>

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Actual = Image size (with ruler) ÷ Magnification.

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2 years ago
Ribosomes are made in the nucleolus. What happens once the ribosome passes into the cytoplasm?
victus00 [196]

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3 years ago
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Dr. Graham exposes rats to a vanilla scent prior to receiving a food pellet in the left corner of their cage, but provides no fo
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a. ​food pellet

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In the experiment described above in the question, <em>the unconditioned stimulus is the food pellet,</em> which naturally elicits the response of the rat to wait at the far left corner of the cage. The neutral stimulus which is paired with the food pellet is the vanilla scent, which now becomes the conditioned response, when paired alone.

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A model that helps explain the results of mendels crosses is called a?
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It is called a Punnett Square
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