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Having studied the process by which DNA directs the synthesis of proteins, you should be ready to decode some D " messages. To do this, you must follow the procedure of protein synthesis as this is taking place right now in your ce cuts! Practice these steps by following and finishing the partially solved message below. 1: "Build" the mRNA molecule, matching the RNA nucleotides to the DNA nucleotides properly, letter by letter. (For purposes of simplicity, it will be assumed that this mRNA is bacterial; there are no introns to cut out!) 2: Figure out the tRNA triplets (codons) which would fit the mRNA triplets (letter by letter). 3: Look up each TRNA codon in the TRNA Dictionary (below), and find the corresponding symbol and amino acid eviation for that codon. Record that one-letter symbol (and its amino acid) below each codon. "Spc" = "space". If you ha this correctly, the symbols should spell out a meaningful message in English. Remember, C always pairs with G, G always pairs with C, A pairs with T (in DNA) or U (in RNA), T!pairs with A, a ENA) pairs with A (in DNA). Clues: C & G are curved letters; Ą & T are angular; U is used in RNA in place of T. When you finish the sample message below, decode the special message assigned to you (from the sheet with many sages). Be sure to show the details of your solution on the Practice Sheet provided, and hand it in. In your DNA exam, you be expected to do this from memory (provjded with the tRNA Dictionan

Having studied the process by which DNA directs the synthesis of proteins, you should be ready to decode some D " messages. To do this, you must follow the procedure of protein synthesis as this is taking place right now in your ce cuts! Practice these steps by following and finishing the partially solved message below. 1: "Build" the mRNA molecule, matching the RNA nucleotides to the DNA nucleotides properly, letter by letter. (For purposes of simplicity, it will be assumed that this mRNA is bacterial; there are no introns to cut out!) 2: Figure out the tRNA triplets (codons) which would fit the mRNA triplets (letter by letter). 3: Look up each TRNA codon in the TRNA Dictionary (below), and find the corresponding symbol and amino acid eviation for that codon. Record that one-letter symbol (and its amino acid) below each codon. "Spc" = "space". If you ha this correctly, the symbols should spell out a meaningful message in English. Remember, C always pairs with G, G always pairs with C, A pairs with T (in DNA) or U (in RNA), T!pairs with A, a ENA) pairs with A (in DNA). Clues: C & G are curved letters; Ą & T are angular; U is used in RNA in place of T. When you finish the sample message below, decode the special message assigned to you (from the sheet with many sages). Be sure to show the details of your solution on the Practice Sheet provided, and hand it in. In your DNA exam, you be expected to do this from memory (provjded with the tRNA Dictionan

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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SAY IT WITH DNA: PROTEIN SYNTHESIS WORKSHEET: Practice Pays Having studied the process by which DNA directs the synthesis of proteins, you should be ready to decode some DNA "secret" messages. To do this, you must follow the procedure of protein synthesis as this is taking place right now in your cells; no short cuts! Practice these steps by following and finishing the partially solved message below. STEP 1: "Build" the mRNA molecule, matching the RNA nucleotides to the DNA nucleotides properly, letter by letter. (For purposes of simplicity, it will be assumed that this mRNA is bacterial; there are no introns to cut out!) STEP 2: Figure out the tRNA triplets (codons) which would fit the mRNA triplets (letter by letter). STEP 3: Look up each tRNA codon in the tRNA Dictionary (below), and find the corresponding symbol and amino acid abbreviation for that codon. Record that one-letter symbol (and its amino acid) below each codon. "Spc" = "space". If you have done this correctly, the symbols should spell out a meaningful message in English. Remember, C always pairs with G, G always pairs with C, A pairs with T (in DNA) or U (in RNA), Tlpairs with A, and U (in RNA) pairs with A (in DNA). Clues: C & G are curved letters; A & T are angular; U is used in RNA in place of T. When you finish the sample message below, decode the special message assigned to you (from the sheet with many messages). Be sure to show the details of your solution on the Practice Sheet provided, and hand it in. In your DNA exam, you will be expected to do this from memory (provided with the tRNA Dictionary). PARTIALLY SOLVED MESSAGE GIVEN: DNA code message --> GAA TAG AAA CTT ACT TAG AGC ATT CCT GCC CTT CGA TGC ATC SOLUTION (steps 1-4) 1. MRNA (built to match the DNA message, letter for letter- -> CUU AUC UUU GAA UGA AỤC UCG ... .... .. 2. TRNA (determined by matching letters (bases) with those in mRNA)- AAA -> GAA UAG AAA CUU ACU UAG 3. Amino acids carried by each tRNA (according to dictionary, below)--- G I u e u 4. Symbols of amino acids:----> F E DICTIONARY OF †RNA CODONS & THEIR AMINO ACIDS (SYMBOLS & ABBREVIATIONS) tRNA| sym| tRNA sym AA AA tRNA sym AA tRNA sym AA AAA F Phe CAA CÁC V Val GAA Leu UAA Iso AAC L Leu Val GAC Leu UAC M Met AAG F Phe CAG Val GAG Leu UAG UAU Iso AAU ACA ACC ACG ACU Leu CAU CCA Val GAU Leu Iso Cys Trp Cys Gly Gly Gly Gly Ala GCA Arg Arg Arg Arg Pro UCA UCC R UCG S Ser W CCC CCG CCU CGA CGC CGG CGU CUA CUC CUG G GCC GCG R Arg Ser R spc Ser Ser Ser Ser Туг GCU UCU UGA UGC UGG UGU UUA UUC UUG UUU Arg Thr Thr AGA P. P. GGA T. AGC Ala GGC AGG AGU AUA AUC Pro Pro Pro His S Ala Ala Asp Glu Asp Glu GGG Thr GGU GUA GUC GUG GUU P. The Y. D Asn spc AUG AUU Glu His Glu Lys Asn Lys Туг H. spc CUU
Transcribed Image Text:SAY IT WITH DNA: PROTEIN SYNTHESIS WORKSHEET: Practice Pays Having studied the process by which DNA directs the synthesis of proteins, you should be ready to decode some DNA "secret" messages. To do this, you must follow the procedure of protein synthesis as this is taking place right now in your cells; no short cuts! Practice these steps by following and finishing the partially solved message below. STEP 1: "Build" the mRNA molecule, matching the RNA nucleotides to the DNA nucleotides properly, letter by letter. (For purposes of simplicity, it will be assumed that this mRNA is bacterial; there are no introns to cut out!) STEP 2: Figure out the tRNA triplets (codons) which would fit the mRNA triplets (letter by letter). STEP 3: Look up each tRNA codon in the tRNA Dictionary (below), and find the corresponding symbol and amino acid abbreviation for that codon. Record that one-letter symbol (and its amino acid) below each codon. "Spc" = "space". If you have done this correctly, the symbols should spell out a meaningful message in English. Remember, C always pairs with G, G always pairs with C, A pairs with T (in DNA) or U (in RNA), Tlpairs with A, and U (in RNA) pairs with A (in DNA). Clues: C & G are curved letters; A & T are angular; U is used in RNA in place of T. When you finish the sample message below, decode the special message assigned to you (from the sheet with many messages). Be sure to show the details of your solution on the Practice Sheet provided, and hand it in. In your DNA exam, you will be expected to do this from memory (provided with the tRNA Dictionary). PARTIALLY SOLVED MESSAGE GIVEN: DNA code message --> GAA TAG AAA CTT ACT TAG AGC ATT CCT GCC CTT CGA TGC ATC SOLUTION (steps 1-4) 1. MRNA (built to match the DNA message, letter for letter- -> CUU AUC UUU GAA UGA AỤC UCG ... .... .. 2. TRNA (determined by matching letters (bases) with those in mRNA)- AAA -> GAA UAG AAA CUU ACU UAG 3. Amino acids carried by each tRNA (according to dictionary, below)--- G I u e u 4. Symbols of amino acids:----> F E DICTIONARY OF †RNA CODONS & THEIR AMINO ACIDS (SYMBOLS & ABBREVIATIONS) tRNA| sym| tRNA sym AA AA tRNA sym AA tRNA sym AA AAA F Phe CAA CÁC V Val GAA Leu UAA Iso AAC L Leu Val GAC Leu UAC M Met AAG F Phe CAG Val GAG Leu UAG UAU Iso AAU ACA ACC ACG ACU Leu CAU CCA Val GAU Leu Iso Cys Trp Cys Gly Gly Gly Gly Ala GCA Arg Arg Arg Arg Pro UCA UCC R UCG S Ser W CCC CCG CCU CGA CGC CGG CGU CUA CUC CUG G GCC GCG R Arg Ser R spc Ser Ser Ser Ser Туг GCU UCU UGA UGC UGG UGU UUA UUC UUG UUU Arg Thr Thr AGA P. P. GGA T. AGC Ala GGC AGG AGU AUA AUC Pro Pro Pro His S Ala Ala Asp Glu Asp Glu GGG Thr GGU GUA GUC GUG GUU P. The Y. D Asn spc AUG AUU Glu His Glu Lys Asn Lys Туг H. spc CUU
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