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If 50.0 % of the base pairs in a duplex DNA molecule (12.5 kbp) are in...
[References If 34.0% of the base pairs in a duplex DNA molecule (12.5 kbp) are in the B-conformation and 66.0 % are in the Z-conformation, what is the long dimension of the molecule?
A 52.0 nm-long duplex DNA molecule in the B-conformation adopts the A-conformation upon dehydration. What is its approximate number of base pairs? base pairs How long is it after dehydration? nm
Which of the statement is true? If a double-stranded DNA molecule of 125 million base pairs were scaled to the size of a human hair, it would have a diameter of 0.003 inches and be 1 mile long. If this scaled-up DNA molecule were condensed and compacted into a chromosome, into which of the objects below could that chromosome fit? A. a tennis ball B. a bathtub C. a pencil eraser D. a soda (pop) can E. a basketball
A double-stranded DNA molecule of 175 base pairs long had (A+T/(G+C) = 0.75. How many adenine nucleotides are there in this DNA? 75 37.5 150
1. Very simple toy model for base-pairing of double stranded DNA. (This problem is originally due to Kittel.) DNA is an important biological heteropolymer. A single DNA molecule base-pairs with a complementary DNA molecule to form a duplex double stranded structure. Consider two strands of complementary DNA. Each strand has N monomers. Each monomer is cross- linked by base-pairing to the corresponding monomer on the complementary DNA molecule. Suppose that the energy for breaking a cross link is є and...
9. A DNA molecule has 180 base pairs and is 20 percent adenine. How many cytosine nucleotides are present in this molecule of DNA?
Shown below are the sequences of three duplex DNA molecules. I. 5" AGCCTAACTGCGAT 3' II. 5' CGCATTATTGTCAA 3' III. 5' CTAACCCGCACTGG 3' 3' TCGGATTGACGCTA 5' 3' GCGTAATAACAGTT 5' 3' GATTGGGCGTGACC 5' a. State the relationship between the percentage of AT base pairs in a double-stranded DNA molecule and the melting point of that molecule. b. Order the above three molecules (I, II, III) in terms of their melting points from lowest to highest. The graph below shows the results of...
Draw a DNA molecule containing four base pairs. Identify the 5' end and the 3' end of each strand. Identify the Hydrogen bonds that hold the molecule together.
A relaxed B-type double stranded circular DNA molecule of 8,400 base pairs was cleaved by an E. coli Type II topoisomerase. What was the original linking number (Lko) and the final linking number (Lk) for this DNA molecule? a. Lko=1,200; Lk=1,199 b. Lko=800; Lk=802 c. Lko-400; Lk=401 d. Lko+800; Lk=798 e. Lko=400; Lk=399 An explanation of the answer would be appreciated, thanks! The rate of bp/turn = 10.5.
Chromosome 3 contains nearly 200 million nucleotide pairs of our genome. If this DNA molecule could be laid end to end, how long would it be? The distance between neighboring base pairs in DNA is typically around 0.34 nm. About 7 mm About 7 cm About 7 m None of the above