• U3Ip Graphic Organizer
    ’ Transcription (base sequence of RNA): 5’-AUU GGA AAU GAU CCG UGA-3’ Translation (amino acid sequence): Ile Gly Asn Asp Pro Stop What is the significance of the first and last codons of an mRNA transcript? Explanation: The first codon of an mRNA transcript is called initiation codon and...
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  • Scie106
    T-5’ Transcription (base sequence of RNA): AUU GGA AAU GAU CCG UGA Translation (amino acid sequence): Ile(Start) Gly Asp Asp Pro Stop What is the significance of the first and last codons of an mRNA transcript? Explanation: Transcription goes through three steps: (1) initiation...
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  • Biology
    | | | | |What is the significance of the first and last codons of an mRNA |Explanation: The first codon of a coding sequence is usually AUG, | |transcript...
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  • Dna Transcription and translation
    Primary mRNA Transcript The primary mRNA transcript (pre-mRNA) undergoes various modifications (capping, cleavage, polyadenylation, splicing and editing) to yield a functional mRNA molecule 5′ Processing (capping) Immediately after pre-mRNA synthesis, a single phosphate group of the first...
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  • You Are a Marketing Manager Interviewing for a New Job at Several Different Firms Simultaneously. You Expect to Be Asked the Same Questions in Each Interview Dealing with What You Think Are Some Good New Marketing
    ’ | | | | |What is the significance of the first and last codons of an mRNA |Explanation: They are the start and finishing codons. | |transcript...
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  • Microbiology 225 Exam Review
    * a. Translation begins on the mRNA at the start codon AUG (in the P site). At the start codon the small ribosomal subunit, the first tRNA (with the corresponding anticodon UAC), and the second ribosomal subunit all come together to form the initiation complex. * Elongation...
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  • Genomes
    molecules have short half-lives compared to other RNA molecules? 1.6. Is the mRNA that is translated in the same form as that synthesized from the DNA template? 1.7.* Do cells ever lack a transcriptome? Explain the significance of your answer. Each codon can specify more than one amino acid...
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  • Bio Chapter 17 Notes Gene Expression
    is a faithful transcript of the gene’s protein-building instructions. * (mRNA) messenger RNA carries a genetic message from the DNA to the protein-synthesizing machinery of the cell. * Translation: synthesis of polypeptide using the information in the mRNA; during this stage there is a...
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  • bio 139 study notes
    in the RNA transcript into the sequence of amino acids in the polypeptide gene product, according to the specifications of the genetic code  Sense strands- a primary transcript or mRNA that contains a coding region (contiguous sequence of codons) that is translated to produce a polypeptide...
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  • Campbell Chap 17 Test Bank
    is AGT. The corresponding codon for the mRNA transcribed is A) AGT. B) UGA. C) TCA. D) ACU. E) either UCA or TCA, depending on wobble in the first base Answer: D Topic: Concept 17.1 Skill: Application The following questions refer to Figure 17.1, a table of codons. Figure 17.1 14) A possible...
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  • The Flow of Genetic Information
    brings together mRNA, a tRNA with the first amino acid, and the two ribosomal subunits.  First, a small ribosomal subunit binds with mRNA and a special initiator tRNA, which carries methionine and attaches to the start codon.  The small subunit then moves downstream along the mRNA until it...
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  • Haptens
    . Some anticodons can pair with more than one codon due to a phenomenon known as wobble base pairing. Frequently, the first nucleotide of the anticodon is one of two not found on mRNA: inosine and pseudouridine, which can hydrogen bond to more than one base in the corresponding codon position. In the...
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  • Test
    expression create libraries of DNA molecules with complementary mRNA sequences Complementary DNA sequences hint at the presence of a gene and because cDNA is complementary to the mature mRNA, the introns of primary transcript have been removed, which facilitates the identification of exon and introns of...
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  • Molecular Genetics
    bases is inadequate to code for the 20 amino acids required to make proteins: 3. There are multiple codons for a single amino acid. Comment on the significance of this with respect to point mutations: Read second letter here Read third letter here Second Letter Read first letter...
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  • Miss
    . Explain in what way the genetic code is redundant and unambiguous. a. Redundant: more than one codon for most amino acids b. Unambiguous: in an organism, each codon codes for a specific amino acid 13. Explain the significance of the reading frame during translation. a. mRNAs are read...
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  • Title
     together to make a mature mRNA. The significance was the realization that genes could be ʺin pieces.ʺ Skill: Conceptual understanding 40) What would be the advantage of having multiple sigma factors that each could be produced under different stress conditions in E. coli? Answer: Different sigma...
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  • Study Guide
    codons: triplets of nucleotide base * GCA * Codes for specific amino acids * Wobble base: last position is least critical * No punctuation * Start/stop does not pause * Redundancy 64 combinations 64 combinations for 20 diff amino acids 5. mRNA is outcome of...
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  • Biology
    initiation step ribosomes, complexes or RNA and proteins attach to the mRNA transcript. There are two parts of the ribosomes, the small and large subunits. At first, the small subunit attaches near AUG on mRNA, which is the start codon. Then the large subunit come in, producing an initiation complex...
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  • Ch 16
    D) 4; 16 E) 16; 64 Topic: Concept 17.1 Skill: Application 13) A particular triplet of bases in the template strand of DNA is AGT. The corresponding codon for the mRNA transcribed is A) AGT. B) UGA. C) TCA. D) ACU. E) either UCA or TCA, depending on wobble in the first base...
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  • Dna and Its Origin
    -nucleotide sequences on the mRNA called codons, and in this manner the amino acids are organized into the correct sequence to build a protein. The ribosome works with the mRNA and tRNA to hook the amino acids together to form a protein. Here is a list of the mRNA codons and the corresponding amino...
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