DNA, RNA, and Protein Synthesis Genetic Code Constants l Period,Table Part A DNA

Question

DNA, RNA, and Protein Synthesis Genetic Code Constants l Period,Table Part A DNA is transcribed to messenger RNA (mRNA), and the mRNA is translated to proteins by the ribasome. Three mucleotides in a row make a codon, wtich speciles a particular anino acid A protein is enceded by two or more cedons. The codon specitying methionine, AUG, is called the start codon because the fist amino acid of amy protain S always methioniniThe last amino acid in aprotain wil be one of these three codons, called stop codona UGA. UAG, or UAA. The table of codons shown below displays coaled sbo cooone UGAUAGd n a protein wil be one o protein tha start codon (methionina) in blue and he theee stop codons in red All other codons Sort the filowing 10 codons into one of the three bins, according to whether they code for a start codon, an in-sequence amino acid, or a stop codon Drag each item to the appropriate bin. View Available Hint/s) - (showm in bleck) appear in the middle of the amino acid sequences that maka up protains. The tabla also indicabas which amino acid is specied by each codon Reset Help Second Letter Third UAU UAC UAA STOP UGA STOP A UAG STOP! UGG Trp CAU Stop codorn Amino acid CUA Arg AUC lle ACC AUA AUG Met /start ACG Part B amino acid sequence does the follawing mRNA nucleotide sequance specity? the sequence of amino acids using the dhree leter abbreviations, separated by hyphens (e.g, Met-Ser-Thr-Lys Gly)- o e @

Explanation / Answer

START CODON : AUG

STOP CODON : UAA , UAG , UGA

AMINO ACID :Ile cys ala thr lys his (AUG UGC GCA ACU AAA CAC)

PART B

the polypeptide will be: Methionine alanine arginine lysine (met-ala-arg-lys)

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