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Q: Which of the following DNAs is most likely to contain the recognition sequence for a homodimeric DNA…
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A: Hi! Thank you for the questions. As you have posted questions with multiple subparts, I will be…
Q: What is the complimentary DNA sequence to the strand below? C-G-G-T-T-A-G
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Q: A DNA strand consists of eight pairs of nitrogenous bases. How many different sequences of eight…
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- Pretend that you find life from another planet on an asteroid that lands in Annville. Its DNA is a triple helix composed of the bases A, T, G, C, X, and Y. The chemical composition of each is A = 24%, T = 23%, G = 11%, C = 12%, X = 21%, Y = 9%. How does the triplet DNA form in this organism?
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- What are the base-pairing rules for DNA? a. A-G, T-C c. A-T, G-C b. A-C, T-G d. A-A, G-G, C-C, T-TList the DNA bases that will complementary base pair with the following sequence: A-G-C-T-A-C-GIn the DNA structure, a purine molecule always binds with a pyrimidine molecule. How would you expect the structure to differ if Adenine forms base pairing with Guanine and Cytosine forms base pairing with Thymidine? Instead of A-T, G-C; can it be A-G, C-T? Justify your answer within five sentences
- If one of the strands of DNA has the following sequence of bases running in the 5-S3' direction,5'-G-G-A-C-A-A-T-C-T-G-C-3' what base is closest to the 5'-end in the complementary strand?A double-stranded DNA molecule is 1 cm long, and the percentage of adenine is 15%. How many cytosines does this DNA molecule contain?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?
- Let’s suppose you have recently identified an organism that wasscraped from an asteroid that hit the earth. (Fortunately, no onewas injured.) When you analyze this organism, you discover thatits DNA is a triple helix, composed of six different nucleotides: A,T, G, C, X, and Y. You analyze the composition of the DNA andfind the following amounts of the six bases: A = 24%, T = 23%,G = 11%, C = 12%, X = 21%, Y = 9%. What rules would you proposethat govern triplex-DNA formation in this organism? Note: There is more than one possibility.If the sequence of one strand of a DNA molecule is 5’-AGCCCCGACTCTATTC-3’, what is the sequence of the complementary strand?Which of the following statements regarding polynucleotides is true? a) A double stranded DNA forms a right-handed helix, where both strands run anti-parallel to each other. b) A double stranded DNA forms a left-handed helix, where both strands run anti-parallel to each other. c) A double stranded DNA forms a left-handed helix, where both strands run parallel to each other. d) A double stranded DNA forms a right-handed helix, where both strands run parallel to each other.
- Why do you think it is important that the sugar-phosphate backbone of DNA be held together by covalent bonds while the two strands of double stranded DNA are held together by hydrogen bonds?If one side of a DNA molecule has the base sequence A T C G G G C C A A C C, what would the sequence be on the complementary strand?Which one of these facts would NOT be needed in order to determine the correct base sequence from the image of DNA in the question above? Adenine and guanine are purines with a two-ring chemical structure. Cytosine and thymine are pyrimidines with a one-ring chemical structure. Adenine pairs only with thymine using two hydrogen-bonds. Cytosine pairs only with guanine using three hydrogen-bonds. All of the facts above are needed.
