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I provided some edits in my comment -- hope the following clarifies things for you a little bit. To construct a cladogram, two characters are defined. You may be confusing character and character state. It's valid to have a cladogram with a single character (e.g. the single character, "warm-blooded"), but you will need at least two character states to ...


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The measured blood pressure is the radial pressure exerted by the blood column againt the arterial wall. In a normal patient, this pressure varies between 120 mm of Hg and 80 mm of Hg. click on the image to go to the source When a cuff is inflated to 160 mm of Hg, the arteries collapse and circulation is temporarily suspended. As blood flow does not ...


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This is a test cross - a cross with a recessive pair of alleles and either a heterozygous or homozygous pair of dominant alleles( eg- Tt X tt or TT x tt respectively). These crosses are carried out to check the if genes are homozygous or not. In this the ratio is always 1:1. So don't worry. :) Be confident about your answer, because it is obvious that the ...


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Digitalis (which was by the way originally synthesized from Digitalis Purpurea) has two mechanisms of action: The action by which digoxin improves contractility appears to be inhibition of the sarcolemmal Na$^+$K$^+$-ATPase "pump", normally responsible for maintaining transmembrane Na$^+$ and K$^+$ gradients The major therapeutic electrical effect ...


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Triglyceride. It has 3 fatty acids, which are non polar (water-fearing). so they are hydrophobic. These 3 fatty acids are connected to a glycerol molecule. This molecule is polar and is hydrophilic (water-loving). The glycerol is attached to the 3 fatty acids via a dehydration reaction. When they are connected, they loose a water molecule, and form an ...


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The following answer was giving by Michael D. Dryden from http://chemistry.stackexchange.com/questions/24797/what-is-a-triglyceride/24799#24799 There is some minor argument as far as nomenclature goes for these lipids. Most sources I can find, including IUPAC have glycerides as only including esters of glycerol with fatty acids. Monoglycerides have a single ...


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I'd use a chi-squared test. You calculate what you expect to see if your hypothesis is true, and you take what you do see, and the chi-squared result tells you how likely it is that your results are different enough from what's expected to indicate that your hypothesis is incorrect.



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