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The single stranded DNA will show intramolecular hydrogen bonding. This will lead to form a loop like structure of single strand of DNA. The da DNA can not formed because this intramolecular hydrogen bonding in each strand of DNA.
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When the ds DNA is heated to 100 C, the two strands separate. Depending on the...
Two complementary strands of DNA can exist in solution in the form of a duplex (double-stranded...
Two complementary strands of DNA can exist in solution in the form of a duplex (double-stranded form) or can exist as separate strands ("random coils"), depending on the position of the equilibrium shown below. Double-stranded form < = = > single strands ("random coil") With regard to Enthalpy and Entropy, match the interactions that favor the form of DNA listed. What is the enthalpic term favoring single stranded DNA? A. Hydrogen Bonding B. Conformational C. Base Stacking D. van der...
Enter your answer in the provided box. Given two complementary strands of DNA containing 1.01 X...
Enter your answer in the provided box. Given two complementary strands of DNA containing 1.01 X 102 base pairs each, calculate the ratio of two separate strands to hydrogen-bonded double helix in solution at 3.49 x 10² K. (Hint: The formula for calculating this ratio is e-SE/RT, where AE is the energy difference between hydrogen-bonded double-strand DNAs and single-strand DNAs and R is the gas constant.) Assume the energy of hydrogen bonds per base pair to be 7.70 x 102...
How DNA Is Copied 4. What does it mean that the two strands of DNA are...
How DNA Is Copied 4. What does it mean that the two strands of DNA are complementary? 5. What is DNA replication?, 6. Using your notes, book, and this assignment, place the steps of DNA replication in the correct order. a. The enzyme DNA polymerase moves along the exposed strands and adds complementary nucleotides to each nucleotide in each existing strand. b. The DNA double helix breaks or unzips down the middle between the base pairs. C. A complementary strand...
Please show all work and answer all parts of the question. Thanks 3. When self-complementary strands...
Please show all work and answer all parts of the question. Thanks
3. When self-complementary strands of DNA are mixed, they form a double-stranded DNA at low temperatures but dissociate to single strands as the temperature is raised: T(C) A (oligoA-T) This can be observed by an increase in the absorbance of the solutions at 260 nm (The double helix is said to show "hypochromicity" at this wavelength) 10 15 20 25 30 35 40 45 50 0.720 0.732 0.740...
20. Which enzyme separates the strands of the DNA helix? A. DNA Polymerase E. Single Stranded...
20. Which enzyme separates the strands of the DNA helix? A. DNA Polymerase E. Single Stranded Binding Proteins B. Ligase F. Primase C. Helicase G. Lagging Strand D. Topoisomerase H. Leading Strand 21. Which enzyme joins newly synthesized DNA fragments on the lagging strand? A. DNA Polymerase E. Single Stranded Binding Proteins B. Ligase F. Primase C. Helicase G. Lagging Strand D. Topoisomerase H. Leading Strand 22. In a PCR reaction, at which temperature do the two strands of DNA...
4. (1.0 point) - The two strands of a DNA double helix can be separated by...
4. (1.0 point) - The two strands of a DNA double helix can be separated by heating, or "melted". If you raised the temperature of a solution containing the following three DNA molecules, in what order do you suppose they would "melt"? Explain your answer. (a) 5'-GCGGGCCAGCCCGAGTGGGTAGCCCAGG-3' 3'-CGCCCGGTCGGGC TCACCCATCGGGTCC -5° (b) 5'-ATTATAAAATATTTAGATACTATA TTTACAA-3' 3'-TAATATTTTATAAATC TATGATATAAATGTT-5' (c) 5'-AGAGCTAGATCGAT-3' 3'-TCT CGATCTAGCTA-5'
3 attempts left Check my work Enter your answer in the provided box. Given two complementary...
3 attempts left Check my work Enter your answer in the provided box. Given two complementary strands of DNA containing 1.02 x 102 base pairs each, caleulate the ratio of two separate strands to hydrogen-bonded double helix in solution at 2.86 x 102 K. (Hint: The formula for calculating this ratio is eAEIRT, where AE is the energy difference between hydrogen-bonded double-strand DNAs and single-strand DNAs and R is the gas constant.) Assume the energy of hydrogen bonds per base...
44. During DNA replication, the double helix is unwound, creating two single strands. One of these...
44. During DNA replication, the double helix is unwound, creating two single strands. One of these is called the strand, on which the progress of DNA Polymerase III is – 45. The other strand is called the strand, on which the synthesis is 16. During DNA replication, synthesis of a new sequence on the Leading Strand is continuous. Why is synthesis on the Lagging Strand discontinuous? 47. Generation of Okazaki fragments proceeds in three steps. Indicate which of the following...
Question 11 Not yet answered Marked out of 1.00 P Flag question The DNA of an...
Question 11 Not yet answered Marked out of 1.00 P Flag question The DNA of an organism is studied and found to contain 14% guanine. This organism should have __% thymine and __% cytosine in its DNA. Select one: O a. 36; 36 O b. 14; 36 O c. 14; 86 O d. 36; 14 Question 12 Not yet answered Marked out of 1.00 Flag question The strands of a DNA double helix are said to be antiparallel. This means...
Chargaff discovered that the A-T bond has the same width as the G-C bond. What implication...
Chargaff discovered that the A-T bond has the same width as the G-C bond. What implication does this have for the structure of the DNA molecule? It means that the molecule will vary in width as you move down its length, depending on the number of A-T and G-C nucleotides. It means that the molecule will be very hydrophilic, because nucleotides are hydrophilic. It means that DNA was the first life form on Earth. It means that the molecule will...
Enter your answer in the provided box. Given two complementary strands of DNA containing 1.01 X 102 base pairs each, calculate the ratio of two separate strands to hydrogen-bonded double helix in solution at 3.49 x 10² K. (Hint: The formula for calculating this ratio is e-SE/RT, where AE is the energy difference between hydrogen-bonded double-strand DNAs and single-strand DNAs and R is the gas constant.) Assume the energy of hydrogen bonds per base pair to be 7.70 x 102...
How DNA Is Copied 4. What does it mean that the two strands of DNA are complementary? 5. What is DNA replication?, 6. Using your notes, book, and this assignment, place the steps of DNA replication in the correct order. a. The enzyme DNA polymerase moves along the exposed strands and adds complementary nucleotides to each nucleotide in each existing strand. b. The DNA double helix breaks or unzips down the middle between the base pairs. C. A complementary strand...
Please show all work and answer all parts of the question. Thanks
3. When self-complementary strands of DNA are mixed, they form a double-stranded DNA at low temperatures but dissociate to single strands as the temperature is raised: T(C) A (oligoA-T) This can be observed by an increase in the absorbance of the solutions at 260 nm (The double helix is said to show "hypochromicity" at this wavelength) 10 15 20 25 30 35 40 45 50 0.720 0.732 0.740...
20. Which enzyme separates the strands of the DNA helix? A. DNA Polymerase E. Single Stranded Binding Proteins B. Ligase F. Primase C. Helicase G. Lagging Strand D. Topoisomerase H. Leading Strand 21. Which enzyme joins newly synthesized DNA fragments on the lagging strand? A. DNA Polymerase E. Single Stranded Binding Proteins B. Ligase F. Primase C. Helicase G. Lagging Strand D. Topoisomerase H. Leading Strand 22. In a PCR reaction, at which temperature do the two strands of DNA...
4. (1.0 point) - The two strands of a DNA double helix can be separated by heating, or "melted". If you raised the temperature of a solution containing the following three DNA molecules, in what order do you suppose they would "melt"? Explain your answer. (a) 5'-GCGGGCCAGCCCGAGTGGGTAGCCCAGG-3' 3'-CGCCCGGTCGGGC TCACCCATCGGGTCC -5° (b) 5'-ATTATAAAATATTTAGATACTATA TTTACAA-3' 3'-TAATATTTTATAAATC TATGATATAAATGTT-5' (c) 5'-AGAGCTAGATCGAT-3' 3'-TCT CGATCTAGCTA-5'
3 attempts left Check my work Enter your answer in the provided box. Given two complementary strands of DNA containing 1.02 x 102 base pairs each, caleulate the ratio of two separate strands to hydrogen-bonded double helix in solution at 2.86 x 102 K. (Hint: The formula for calculating this ratio is eAEIRT, where AE is the energy difference between hydrogen-bonded double-strand DNAs and single-strand DNAs and R is the gas constant.) Assume the energy of hydrogen bonds per base...
44. During DNA replication, the double helix is unwound, creating two single strands. One of these is called the strand, on which the progress of DNA Polymerase III is – 45. The other strand is called the strand, on which the synthesis is 16. During DNA replication, synthesis of a new sequence on the Leading Strand is continuous. Why is synthesis on the Lagging Strand discontinuous? 47. Generation of Okazaki fragments proceeds in three steps. Indicate which of the following...
Question 11 Not yet answered Marked out of 1.00 P Flag question The DNA of an organism is studied and found to contain 14% guanine. This organism should have __% thymine and __% cytosine in its DNA. Select one: O a. 36; 36 O b. 14; 36 O c. 14; 86 O d. 36; 14 Question 12 Not yet answered Marked out of 1.00 Flag question The strands of a DNA double helix are said to be antiparallel. This means...
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