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Answer to Question #56041 in Cell Biology for Misha Jain

Question #56041
If the length of DNA is 1.36 mm, the number of base pair and nucleosomes in it will be?
Expert's answer
Answer
36.9 L
Solution
PV = nRT
V = nRT / P
Mg(s)+2HCl(aq)→MgCl2(aq)+H2(g)
n(H2) = n (Mg) = m (Mg) / M (Mg) = 41.0 g / (24.0 g/mol) = 1.7 mol
R = 62360 mmHg/mol*K
T = 23 ˚C + 273 = 296 K
V(H2) = (1.7 mol * 62360 mmHg / mol*K * 296) / 850 mm Hg = 36917.1 ml = 36.9 L

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