Boring magasanik collected data on the proportion of each base in RNA  from different species. To compare the relative amount of each base, he standardized thr value of adenine to 10. Relative amounts of other bases were calculated based on this value for adenine. For each of the listed body parts listed, give the proportion of purine to pyrimidines in a decimal form. Rat liver nuclei Rabbit liver nuclei Cat brain

In the attached picture, how can you tell what is the phosphate vs. the deoxyribose?

Describe the structure of an RNA nucleotide while pointing out the various differences between RNA and DNA (structural and functional differences).

Which of the following are TRUE for RNA compared to DNA? Please select ALL correct answer options.   Select 4 correct answer(s) Question 6 options:     RNA contains the bases A, G, C, and U, whereas DNA contain the bases A, G, C, and T.     RNA can catalyze biological reactions, but DNA cannot.     DNA but not RNA can bind proteins     RNA has ribose sugar in its nucleotides, rather than the deoxyribose found in DNA.     RNA is usually single stranded and can make more complex three-dimensional molecular shapes than double-stranded DNA.

If an RNA sample were composed of 20% adenine, what would be the percentage of guanine?

In RNA, an atypical base pair is able to form between guanine and uracil. This base pair allows a single tRNA molecule to recognize more than one codon using its one anticodon sequence. It requires a shift in position of the two nucleotides. Guanine and uracil come together in this unusual pair via 2 hydrogen bonds. Based on what you know about hydrogen bond formation and base pairing, draw a guanine nucleotide and a uracil nucleotide hydrogen bound to one another.

Determine the effect of the following mutations on the DNA sequence. In each case, the mutation is described after the sequence. Guanine nucleotide (G shown in red in the DNA sequence below) was substituted by C Write out the sequence of the mutated DNA and the protein made from it. What is the effect of this mutation on the protein? (For example, how will the mutation affect the length and sequence of the protein?  What about the function of the protein?)

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