Tabulate the differences of the various DNA conformations in terms of orientation, rise per base pair (bp), pitch per trun of helix and helix diameter.
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Tabulate the differences of the various DNA conformations in terms of orientation, rise per base pair (bp), pitch per trun of helix and helix diameter.
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- State the properties of the WatsonCrick model of DNA in the following categories: a. number of polynucleotide chains b. polarity (running in same direction or opposite directions) c. bases on interior or exterior of molecule d. sugar/phosphate on interior or exterior of molecule e. which bases pair with which f. right- or left-handed helixList the pyrimidine bases, the purine bases, and the base-pairing rules for DNA.Describe the basic features of the DNA double helix
- DRAW A DNA STRAND WITH 10 ADENINE BASES FOLLOWED BY 10 CYTOSINE BASES. IF THAT SAME STRAND BONDED TO A STRAND OF 15 THYMINE BASE AND 5 GUANINE BASES, HOW WOULD THE DOUBLE HELIC SHAPE VARY FROM A TYPICAL DNA DOUBLE HELIX?Describe the complementary, antiparallel, double-stranded structure of DNA.Indicate whether each of the following statements about the double-helix secondary structure of DNA is true or false. a. The two polynucleotide strands are complementary rather than identical. b. Bases present extend outward from the double helix. c. Covalent bonding occurs between the two polynucleotide strands. d. The two polynucleotide strands run in the 5′-to-3′ direction
- Given a sequence of a DNA coding strand: 5’-ATGATTATCCTATAG-3’ What is the sequence and direction of the complementary DNA strand?Draw the structure of deoxyribose and number the carbon atoms.Describe the numbering of the carbon atoms in deoxyribose withregard to the directionality of a DNA strand. In a DNA doublehelix, what does the term antiparallel mean?Given the following DNA sequence: 5’-ATGCGGCCAAGGTCAGAGTGACA-3’ a) If this DNA strand represents the “Sense Strand” of DNA, what would be the RNA sequence? b) If this DNA strand represents the “Antisense Strand” of DNA, what would be the RNA Sequence? c) What would be the other strand of DNA?