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- Can somone check my answers are in bold please for both questions :Which is NOT true of the different conformations of DNA? A. Z-DNA is a left-handed spiral. B. Both A-DNA and B-DNA are dehydrated. C. A-DNA and B-DNA are right-handed spirals. D. A-DNA and Z-DNA segments are limited to short regions of DNA. For double-stranded DNA, consider the following base ratios: A/G C/T C/G (A+C)/(G+T) (A+G)/(C+T) (A+T)/(G+C) Which of those ratios always equals 1? A. 3, 4, and 5 B. 3 and 6 C. 1, 4, and 5 D. 4 and 6 E. 1 and 2A typical bacterial DNA has a molar mass of 4 × 109 g m ol-1 . Approximately how many nucleotides does itcontain?Biochemist Erwin Chargaff was the first to note that, in DNA, [A] = [T] and [G]= [C], equalities now called Chargaff’s rule. Using this rule, determine the percentages of all the bases in DNA that is 20% thymine.
- Human DNA contains 20% Con a molar basis. What are the molepercents of A, G, and T?Draw the spectrum of pure DNA at the concentration of 50 ug/ml on the graph provided. List all chromophores present in protein molecules.Draw a model of DNA. Be sure to include the names of the nitrogenous bases. thank you
- Fill the gap Molecular programming, also known as ........ exploits the information-processing capabilities of nucleic acids to design ....... at the nanoscale.DNA reacts with Biuret through ______________, and shows an absorbance in the visual region at ____________. DNA does not react with Biuret reagent Backbone phosphate groups; 280 nm Backbone phosphate groups; 260 nm Backbone phosphate groups; 540 nmTopic: Nucleic Acids (DNA) What are Chargaff’s rules? How do these rules help in elucidating the structure of DNA?
- Compare and contrast the structure of DNA and RNA. Be sure to describe each of the three components of a nucleotide for both DNA and RNA along with the types of bonds formed between the components. In addition, explain: how the nucleotides link together to form each molecule, why the prime ends are labeled 5’ and 3’, what antiparallel is, what phospodiester linkages are and what complementary base pairing is.Each group will be provided with 20 g double-stranded DNA oligomer in STE buffer (0.1M NaCl/ Tris/ 10 mM EDTA, pH 7.4). The sequence of one strand of the oligomer is: 5’-AATGGTACGTATACTTTAT-3’ - show a table of % denaturation of DNA at different temperatures, using the equation provided in “Calculation” - plot a graph of % denaturation of DNA vs different temperatures with clear label and title, and hence determine the experimental Tm of the DNA sample - calculate the theoretical Tm of the sample using Marmur and Doty equation, compare the experimental Tm with theoretical Tm of the DNA sampleRead it carefully.. Draw only correct diagrams.. In the Watson-Crick DNA base pairing model, Adenine (A) binds to thymine (T), guanine (G) binds to cytosine (C). 1. Draw the structures of thymine and adenine stabilized by Watson-Crick base pair interaction. 2. Also draw the structure of the amide group of glutamine in an interaction of this T-A pair in a way that maximally satisfies the hydrogen bonding capacity of amide.