True or False Degeneracy of Genetic Code: 1. a given amino acid has more than one codon 2. the first two bases specify the amino acid 3. most amino acids have many synonyms 4. each codon specifies more than one amino acid
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Degeneracy of Genetic Code:
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- Degeneracy of Genetic Code * ( Choose True if the statement is correct abourt and Degeneracy of Genetic Code False if otherwise ) a given amino acid has more than one codon most amino acids have many synonyms each codon specifies more than one amino acid the first two bases specify the amino acidTable 1. The Genetic Code: Codons and Their Amino Acids First Two Nucleotides of Codons Last Nucleotide of Codons The Amino Acids A UU phe phe leu leu Abbreviations Names UC gly glycine ser ser ser ser UA tyr tyr term ala alanine term val valine UG cys cys term trp ile isoleucine leu leucine CU leu leu leu leu ser serine CC pro pro pro pro threonine proline aspartate glutamate lysine arginine thr CA his his gin gin pro asp glu lys CG arg arg arg arg AU le ile ile met AC thr thr thr thr arg asparagine glutamine cysteine methlonine asn AA lys lys asn asn gin AG ser ser arg arg cys met GU val val val val trp phe tryptophan phenylalanine tyrosine histidine GC ala ala ala ala tyr his GA asp asp glu glu GG gly gly gly gly term termination 3. Use Table 1 to read the codons below. Find the name of the amino acid and write it in the space provided. If the letters code for more than one amino acid, separate the names by dashes. b. UUA: c. GAG: d. UAUCUA: e. AUCUUG: f. AAGAGUUCG: g. AAAUUUGGG: h.…When examining the genetic code, it is apparent that ________. there are 44 stop codons because there are only 20 amino acids there can be more than one codon for a particular amino acid AUG is a terminating codon the code is ambiguous in that the same codon can code for two or more amino acids there can be more than one amino acid for a particular codon
- Degeneracy of Genetic Code True False each codon specifies more than one amino acid the first two bases specify the amino acid a given amino acid has more than one codon most amino acids have many synonymsOrder of Bases in Order of Bases in Order of Bases in Amino Acids coded DNA MRNA (codon) TRNA (anticodon) into Proteins TAG CAT GUC CCT GGA AUG Leucine CUUTrue or false Both pentose nucleic acid and deoxypentose nucleic acid contain the same pyrimidines Both pentose nucleic acid and deoxypentose nucleic acid and deoxypentose nucleic acid Contain the same purines RNA contains cytosine and thymine DNA and RNA are hydrolysed by weak alkali The anticodon of tRNA finds the complementary codon on mRNA The amino acid is attached to end of tRNA The amino acid is recognized by the anticodon of tRNA A given tRNA can be charged with only one particular amino acid
- Codon chart: We interpret mRNA 3 base pairs at a time. This is known as a codon. A codon table can be used to translate a genetic code into an amino acid sequence. The full set of relationships between codons and amino acids (or stop signals) is called the genetic code. The genetic code is often summarized in a table like the one below. Second letter A G UUU UUC J UGU Cys UCU) UCC UCA UCGJ UAU U Phe Tyr UACS UGCJ Ser UAA Stop UGA Stop A UAG Stop UGG Trp UUA UUG FLeu G CUU ) CỤC CUA CUG CCU ) ССС ССА CCG CGU CGC Arg CAU) CÁC His САА Leu Pro CGA Gin CAG CGG AUU AAU ACU АСC ACA Asn AGU Ser AAC JAsh AGC. AUC le A AUA AGA Arg Thr AAA AAG. }Lys A AUG Met ACG AGG J G GUU GUC G Val GUA GUG GCU) GCC GCA GCG GAU1 GACS GAA) GAG Glu GGU GGC Gly U C A Ala GGA GGG] G First letter UUAG Third letterA small section of MRNA codons has the following sequence: UGU GGU CAA CCG Some Amino Acids 1. Valine 2. Serine 3. Proline 4. Glycine 5. Arginine 6. Leucine 7. Histidine 8. Cysteine 9. Glutamine The amino acids listed above that are coded by the MRNA codons are , and Record your answer in order from left to right codons.DNA A G T A C C G G G C A A A C T G C A T T G T G mRNA U C A U G G C C C G U U U G A C G U A A C A C Use the "Genetic Code Chart" to determine the sequence of amino acids in your polypeptide chain. Remember to START translation at the start codon by adding a Methionine and STOP translating when you reach a stop codon.
- The Genetic Code True False is universal is overlapping have synonyms specifying the same amino acids is a collection codonsCodons The genetic code consists of triplets of nucleotides called codons. Refer to the genetic code chart provided to answer the following questions. What is unique about the codon AUG? 2. What is unique about the codon UGA?Use the codon chart to determine the following RNA strand in amino acids (Remember to write it the same way the strand is): ACA-AGG-UUA-UGA second letter C A UAU Tyr U UUU UCU UGU Phe Cys UUC UCC UAC UGC C Ser UAA stop | UGA stop| A UAG stop UGG Trp UUA UCA UUG Le UCG CUU CCU CAU CGU His CUC ССС CAC CGC Leu Pro Arg CUA ССА САА CGA Gln СCG CAG CGG CUG AGU AAU Asn AUU ACU Ser AGC S AGA Arg AAC AUC } lle A AUA АСC Thr AAA Lys АСА AUG Met ACG AAG AGG GUU GCU GAU GGU Asp GAC GGC Gly GGA GCC GUC Val Ala GAA GAG } GUA GCA Glu GGG GUG GCG Your answer first letter ACUCAGUCAGUCAG third letter
