gicultural and Technical State University-CHEM 451- Spring18-DONG Activities and

Question

gicultural and Technical State University-CHEM 451- Spring18-DONG Activities and Due Dates > leic Acids 3/19/2018 11:59 PM 80.2/1003/16/2018 07:07 AM Gradebook Print Perlodic Table Question 12 of 23 Map Sapling Learning Suppose that a hapless graduate student hasf thermophilic archaea, bacteria, single-stranded DNA viruses, and double-stranded RNA viruses. The table below shows the nucleotide content of each sample, except for the nucleotide uracil, which is excluded. Label each unknown sample with the appropriate sample name. to label four different sample tubes that contained Sample 1 Sample 2 Sample 3 Sample 4 238% 23% 13% 17% 379% Previous Give Up & View SoltonCheck Answer Next Exit 0 F5 5-11 F7 19 3 4 IAl

Explanation / Answer

Sample 1 - Thermophilic archea. In thermophilic bacteria, the concentration of Guanine and cytosine will be higher so as to ensure higher stability

Sample 2- Bacteria

Sample 3 - Single stranded DNA viruses. this is because single stranded DNA donot follow the Chargraff's rule (
i.e in a double stranded genetic material, the number of Adenine is equal to number of Thymine and same is he case with the number of cytosine and guanine.)

Sample 4 - Double stranded RNA virus. this is because thymine nucleotied is absent in RNA

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