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katrin2010 [14]
3 years ago
7

In a scientific experiment, a __

Biology
1 answer:
salantis [7]3 years ago
8 0
In a scientific experiment, a VARIABLE changed is any factor that can change or be
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Question 3 and 5 help please!
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The answer to 3. is B
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How does an enzyme influence a chemical reaction In a cell ?
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Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.
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white blood cells; formed elements involved in body protection that take part in inflammatory and immune responses are:
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Neutrophils They kill and then digest the bacteria and the fungi. They are the most numerous type of the white blood cell and your first line of the defense when the infection strikes.

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1 year ago
Look at the picture below and answer the question below, please!
MatroZZZ [7]

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Kingdom 4

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6 0
3 years ago
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Each of 100 laboratory rats has available both plain water and a mixture of water and caffeine in their cages. After 24 hours, t
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Answer:

C. About 18 percent of the variation in blood pressure can be explained by a linear relationship between blood pressure and caffeine consumed.

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Here, r = 0.428

∴ We can say it will give a positive curve, as 0.428 indicates it is a positive correlation.

Though the amount of correlation is low, still it is positive and more than 0.4

So, nearly about 18% of the variation in the blood pressure can be observed by the consumption of caffeine water. As consumption of caffeine water and blood pressure is both increasing so we can say that r= 0.428 will give a positive linear curve.

 

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