What is the complete base composition (in %) of a double-stranded eukaryotic DNA that contains 16% guanine 34 A, 16 C, 16 G, 34 T 34 A, 34 C, 16 G, 16 T 16 A, 34 C, 16 G, 34 T 40 A, 34 C, 16 G, 10 T 40 A, 16 C, 16 G, 10 T
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What is the complete base composition (in %) of a double-stranded eukaryotic DNA that contains 16% guanine
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- Below is the 5’–3’ strand of a double-stranded DNA molecule with the following nucleotide sequences (all belong to an exon):5’ C C T A T G C A G T G G C C A T A T T C C A A A G C A T A G C 3’1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 2. If the above DNA strand is the template (antisense) strand and the DNA molecule is expressed to produce a protein product, however prior to expression, mutation took place where,a. the 11th base was replaced by Cytosine. Is the amino acid sequence of the synthesized polypeptide chain altered, as compared when there was no mutation? Specify type of mutation in relation to protein function. Is the base substitution a transition or transversion mutation?b. the 2nd base was deleted. Is there an effect in the structure and function of the synthesized protein? Specify type of mutation in relation to protein function. What type of mutation is demonstrated here?c. Thymine is inserted between the 21st and 22nd gene. Is…Below is the 5’–3’ strand of a double-stranded DNA molecule with the following nucleotide sequences (all belong to an exon):5’ C C T A T G C A G T G G C C A T A T T C C A A A G C A T A G C 3’1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 311. If the above DNA strand is the coding (sense) strand and the DNA molecule is expressed to produce a protein product, however prior to expression, mutation took place where,a. the 15th base was replaced by Guanine. Is the amino acid sequence of the synthesized polypeptide chain altered, as compared when there was no mutation? Specify type of mutation in relation to protein function. Is the base substitution a transition or transversion mutation?b. the 18th base was replaced by Guanine. Is there an effect in the structure and function of the synthesized protein, as compared when there was no mutation? Specify type of mutation in relation to protein function. Is the base substitution a transition or transversion…How many hydrogen bonds exist between this DNA strand and its complementary strand? 5'-CACGGGG-3' number of hydrogen bonds between strands:
- What is the conformation of the glycosidic bond (i.e. orientation of the nucleobase relative to the the sugar) in the B-form of DNA? syn anti alpha heteroWhich of the following are possible base compositions for double- stranded DNA? O A=30% G=20% C=20% T=30% U=0% O A=20% G=35% C=35% T=20% U=20% O A=30% G=20% C=35% T=15% U=0% O All are correctIf one strand of DNA has the sequence 5'-C-T-A-G-C-G-T-T-A-3', what sequence would appear opposite it on the other strand? Enter the complementary sequence of letters separated by hyphens. • View Available Hint(s) 3'- 3'-G-A-T-C-G-C-A-A-T-5' -5'
- Look at the double-stranded segment of DNA shown below. Imagine that the two strands have already been denatured, and the temperature has been decreased to an appropriate annealing temperature. Show where the two primers would anneal to the strands, then indicate the direction of extension on each new strand with an arrow. 5’--T C A G G A C G T A A G C T T G C A T A T C T C G A T G C T A A A T C A T—3’ 3’--A G T C C T G C A T T C G A A C G T A T A G A G C T A C G A T T T A G T A—5’ Primer #1: 3’ A C G A T T T 5’ Primer #2: 5’ G G A C G T A 3’A segment of a polypeptide chain is Arg-Gly-Ser-Phe-Val-Asp-Arg. It is encoded by the following segment of DNA: G G C T A G C T G C T T C C T T G G G G A C C G A T C G A C G A A G G A A C C C C T Template strand with its polarity: 3’ C C G A T C G A C G A A G G A A C C C C T 5’ - Coding strand with its polarity: 3’ G G C T A G C T G C T T C C T T G G G G A 5’ Please write out the mRNA sequence generated by the template strand to produce that polypeptide chain.Molnupiravir causes widespread mutations as SARS-CoV-2 replicates its genome because in an RNA double helix molnupiravir can base pair with more than one base. Shown below are the structures the RNA bases. With which two bases does molnupiravir pair? H N-H Adenine NH-N Uracil H H-N N-HN N-H Guanine H Cytosine A. The "imino" form pairs with A; the "amino" form pairs with G. B. The "imino" form pairs with G; the "amino" form pairs with A. C. The "imino" form pairs with U; the "amino" form pairs with C. D. The "imino" form pairs with C, the "amino" form pairs with U.
- If the GC content of a DNA molecule is 48%, what are the percentages of the 4 bases A, T, C, and G- in this molecule? O A= 24%, C = 26%, G = 26%, T = 24% O A= 24%, C = 24%, G = 26%, T = 26% O A = 26%, C = 24%, G = 24%, T = 26% O A= 52%, C = 48%, G = 48%, T = 52% O A= 52%, C = 48%, G = 52%, T = 48%Which of the following pieces of DNA is going to be easier to separate into single stranded molecules using heat (ie, have a lower melting point), which breaks hydrogen bonds? Why? 1. 5’ ATTTTCCGTAAT 3’ 3’ TAAAAGGCATTA 5’ 2. 5’ ACGGTTTACCGG 3’ 3’ TGCCAAATGGCC 5’ A) 2; it has more C-G pairs which are connected by three hydrogen bonds instead of two, so they are easier to break. B) 1; it has more A-T pairs which are connected by one hydrogen bond instead of two, so they are easier to break. C) 2; it has more C-G pairs which are connected by two hydrogen bonds instead of three, so they are easier to break. D)1; it has more A-T pairs which are connected by two hydrogen bonds instead of three, so they are easier to break.The DNA STRAND IS 3’ TAC-AGC-ACT-CAG-TCA 5’ and Non-template strand = 5' - ATG-TCG-TGA-GTC-AGT - 3' . If on the non-coding strand of DNA there is suddenly one T base that sneaks into the 4th sequence (from the left), or causes a mutation, then how will the RNA be formed and the chain arrangement of the amino acids produced by this mutation? 4th sequence (from the left) should be = TCG right?