Table 1 shows the molar properties of bases in the nucleic acid from nine different living organisms. Nucleic acid Percentage (%) A+T G+C Adenine Thymine Cytosine Guanine 24.9 Escherichia coli 26.0 23.9 25.2 1.00 (K-12) Diplococcus 29.8 31.6 20.5 18.0 1.59 pneumonia Mycobacterium 15.1 14.6 34.9 35.4 0.42 tuberculosis Yeast 31.3 32.9 18.7 17.1 1.79 Paracentrotus 32.8 32.1 17.7 18.4 1.80 lividus Herring 27.8 27.5 22.2 22.6 1.23 28.6 28.4 21.4 21.5 1.33 Rat Human Species X 30.7 31.2 19.3 18.8 1.62 30.9 29.4 ? ? ? (i) What are the percentages of Guanine and Cytosine in Species X? (ii) Which organism has a higher melting point for its DNA structure compared to species X?
Table 1 shows the molar properties of bases in the nucleic acid from nine different living organisms. Nucleic acid Percentage (%) A+T G+C Adenine Thymine Cytosine Guanine 24.9 Escherichia coli 26.0 23.9 25.2 1.00 (K-12) Diplococcus 29.8 31.6 20.5 18.0 1.59 pneumonia Mycobacterium 15.1 14.6 34.9 35.4 0.42 tuberculosis Yeast 31.3 32.9 18.7 17.1 1.79 Paracentrotus 32.8 32.1 17.7 18.4 1.80 lividus Herring 27.8 27.5 22.2 22.6 1.23 28.6 28.4 21.4 21.5 1.33 Rat Human Species X 30.7 31.2 19.3 18.8 1.62 30.9 29.4 ? ? ? (i) What are the percentages of Guanine and Cytosine in Species X? (ii) Which organism has a higher melting point for its DNA structure compared to species X?
Chapter10: Reconstitution Of Powdered Drugs
Section: Chapter Questions
Problem 8.1P
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