The following pattern is observed in a multiple sequence alignment: substitutions are randomly distributed and many would change the amino acid residue, indels are 1 or 2 base pairs, and a relatively large number of the substitutions would introduce stop codons. What are the likely sequences? Exons tRNAs mRNAs Introns
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Is the answer mRNA or Exon?
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- For the following sequence please design an 18 base pair REVERSE primer. ATGGCTGATAAGATAGAGAGGCATACTTTCAAGGTCTTCAATCAAGATTTCGAAAAAGAGCTGGAGTTTGGATTAGATAGAAAATATTTTTAGWhat is the length in AA’s of the LilP protein? Assume fMet is NOT CLEAVED. Enter just the number, nothing else! Write out the sequence of the polypeptide in AA: use the three letter notation, e.g. Met-Ser-Pro- A lilP mutant called lilPXS is isolated that produces a truncated polypeptide of only 6 AA in length. Describe a single basepair DNA change that would lead to this truncated version of the protein. Multiple options are possible (100 words max.)How many binary sequences of length n contain at most five 1 digits? The genetic code specifies an amino acid through a sequence of three nucleotides. Each nucleotide can be of one of the four types T, A, C and G, beingrepetitions allowed. How many amino acids can be encoded in this way?And if there are n types. Compare
- For the following sequence please design an 18 base pair forward primer. ATGGCTGATAAGATAGAGAGGCATACTTTCAAGGTCTTCAATCAAGATTTCGAAAAAGAGCTGGAGTTTGGATTAGATAGAAAATATTTTTAGIn reversible terminator sequencing, how would the sequencing process be affected if the 3′-end-blocking group of each nucleotide were replaced with the 3′-H present in the dideoxynucleotides used in Sanger sequencing?The sequence of a polypeptide is determined by the order of codons that specify the amino acids in the polypeptide. How many different sequences of codons can specify the polypeptide sequence methionine-histidine-lysine? (Use the table to find the number of possibilities.) SECOND BASE UAU UACFTyrosine (Tyr) UAA -Stop codon UAG -Stop codon UUUL UGU Cysteine (Cys) UCU uc UCA FSerine (Ser) uca Uuc Phenylalanine (Phe) UUAL Leucine (Leu) CAU CAC CAA Glutamine (Gin) CAGF UGA -Stop codon uaa -Tryptophan (Trp) CGU сос CGA FArginine (Arg) CU CU Histidine (His) CuA FLeucine (Leu) Cua) Proline (Pro) CCA cca AAU Asparagine (Asn) AGU Serine (Ser) AGC AUU ACU ACC Threonine (Thr) AACF AAA AAGLysine (Lys) AUC Fisoleucine (lle) AUA Methionine (Met) AUG - Start codon ACA ACG AGA AGGFArginine (Arg) GU GACAspartic acid (Asp) GGA GAA Glutamic acid (Glu) Gaa) GcU -Valine (Val) G GUA GCA FAlanine (Ala) Glycine (Gly) 8. 1 4 THIRD BASE 2. FIRST BASE
- Given the following Wild Type and Mutated DNA sequences: 1.) Identify where the base pair change occurs ( what letter changed?) 2.) For BOTH sequences, write the mRNA strands, define the codon regions and amino acid sequences. 3.) Describe what kind of mutation has occurred (missense, nonsense, or silent), and what effect this may have on the protein. Wild Type DNA Sequence: 3' - AGGCTCGCCTGT - 5' Mutated DNA Sequence: 3' - AGTCTCGCCTGT - 5'Design a pair of primers (22 nucleotides long each) for the following sequence to clone the full sequence atggaatataactctagtccacattccggtgcattttttccaatcgggtcagactcaggatccaaatctccttgtggcagcgtgaacgtcgtctcctctgatggagatggttcaggtgggaatgggagtgaIf the code were a sextuplet (containing of six nucleotides), would the reading frame be restored by the addition or deletion of three, six, or nine nucleotides? Would the reading frame be restored by the addition or deletion of three, six, or nine nucleotides?
- For the following sequence, what is the Tm? 5'-AGCTACGATCAGGTCA-3'For each of the following sequences, rank them in order (from best to worst) as sequences that could be used to initiate translation according to Kozak’s rules. GACGCCAUGG GCCUCCAUGC GCCAUCAAGG GCCACCAUGGCalculate the expected number of times that a given 8-base-pair DNA site should be present in the E. coli genome. Assume that all four bases are equally probable. Repeat for a 10-base-pair site and a 12-basepair site