Which of the following single-stranded DNA sequences is most likely to form a stem-loop structure? TAAGTACATTACCCCG ACTTCTTCTCCGCTGC GACCGTATGCACGGTC GCCCACGCCAGTAGTG
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- How many kilobases of the DNA strand below will code for the protein product?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 helixBelow is a sequence of 540 bases from a genome. What information would you use to find the beginnings and ends of open reading frames? How many open reading frames can you find in this sequence? Which open reading frame is likely to represent a protein- coding sequence, and why? Which are probably not functioning protein-coding sequences, and why? Note: for simplicitys sake, analyze only this one strand of the DNA double helix, reading from left to right, so you will only be analyzing three of the six reading frames shown in Figure 19.4.
- What is the melting temp. of the following double-stranded DNA fragment CATCGCGATCTGCAATTACGACGATAA GTAGCGCTAGACGTTAATGCTGCTATTWhat is the consensus sequence of the following six DNA sequences?GGCATTGACTGCCATTGTCACGCATAGTCAGGAAATGGGAGGCTTTGTCAGGCATAGTCAWhat is the melting temp. of the following double-stranded DNA fragment TCAAAAATCGAATATTTGCTTATCTA AGTTTTTAGCTTATAAACGAATAGAT
- Which of the following sequences on a DNA moleculewould be complementary to GCTTATAT?a. TAGGCGCGb. ATCCGCGCc. CGAATATAd. TGCCTCTCWhich of the following RNA sequences is an inverted repeat and can form a stem-loop structure? What is the correct option from the choices below? GGUAGGCAUUACGGAUGG GGUAGGCAUUAGCCUACC GAGAGAGAUUAGAGAGAG GGGGGGGAUUAGGGGGGG GAGAGUGUAAGUGUGAGAFor the following sequence of amino acids, serine-valine-lysine-leucine, which of the choices below is the correct order for the nucleotide base sequence in DNA? Group of answer choices a. UGUGCAAAGUUA b. AGACAATTCAAT c. TCTCGTTTGTTA d. TGTGCTTTCTTA
- Which of these single strand RNA sequences could form a hairpin secondary structure? 5' AAAAAAAAAAAAAAAAAAA 3' 5' ACACACACACACACACAC 3' 5' CCCGGGGUUUUCCCCGGG 3' 5' UUUUUUUUUCCCCCCCCC 3' 5’ UUUGGGUUUGGGUUUGGG 3’The following are DNA fragments containing a small gene. The top strand is the coding strand. Transcribe all 5 groups and translate. Group A 5’-GGCAATGGGTTTGTGCAATTCTAAAAGTTTTTAATTC-3’ 3’-CCGTTACCCAAACACGTTAAGATTTTCAAAAATTAAG-5’ Group B 5’-GGCAATGGGTTTGTGAAATTCTAAAAGTTTTTAATTC-3’ 3’-CCGTTACCCAAACACTTTAAGATTTTCAAAAATTAAG-5’ Group C 5’-GGCAATGGGTTTGTGCAATTCTAAGAGTTTTTAATTC-3’ 3’-CCGTTACCCAAACACGTTAAGATTCTCAAAAATTAAG-5’ Group D 5’-GGCAATGGGTTTGTGCAATTCTAACAGTTTTTAATTC-3’ 3’-CCGTTACCCAAACACGTTAAGATTGTCAAAAATTAAG-5’ Group E 5’-GGCAATGGGTTTTGCAATTCTAAAAGTTTTTAATTC-3’ 3’-CCGTTACCCAAAACGTTAAGATTTTCAAAAATTAAGWhat is the nucleotide sequence of the complementary strand of the DNA molecule: 5’-AATGCGATCTTCAT-3’? Indicate the 5’ and 3’ ends. Follow the same format as the given sequence.