Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 13, Problem 8CONQ
Summary Introduction
To review:
The two possible anticodon sequences, which could be contained by tRNA molecule carrying glutamic acid. Also, specify the 3’and 5’end.
Introduction:
Transfer RNA or tRNA is one of the types of RNA, which helps in decoding of mRNA sequence to form a protein. It has a clover leaf-like structure. The tRNA molecule has specific amino acids at its site. They are very important for the process of translation.
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Three E. coli tRNA molecules with the anticodon sequences CGG, OGG , and UGG are charged with the same amino acid. What is the amino acid ?
Chapter 13 Solutions
Genetics: Analysis and Principles
Ch. 13.1 - Prob. 1COMQCh. 13.1 - 2. The reason why Beadle and Tatum observed four...Ch. 13.2 - What is the genetic code? a. The relationship...Ch. 13.2 - Prob. 2COMQCh. 13.2 - The fourth codon in an mRNA sequence is GGG, which...Ch. 13.2 - Prob. 4COMQCh. 13.3 - Prob. 2COMQCh. 13.4 - Prob. 1COMQCh. 13.4 - 2. The anticodon of a tRNA is located in the
a....Ch. 13.4 - An enzyme known as _______attaches an amino acid...
Ch. 13.5 - Each ribosomal subunit is composed of a. multiple...Ch. 13.5 - Prob. 2COMQCh. 13.6 - 1. During the initiation stage of translation in...Ch. 13.6 - The Kozak rules determine a. the choice of the...Ch. 13.6 - During the peptidyl transfer reaction, the...Ch. 13.6 - A release factor is referred to as a molecular...Ch. 13 - Prob. 1CONQCh. 13 - What does it mean when we say that the genetic...Ch. 13 - According to the adaptor hypothesis, is each of...Ch. 13 - Prob. 4CONQCh. 13 - Prob. 5CONQCh. 13 - 6. The wobble rules for tRNA-mRNA pairing are...Ch. 13 - Prob. 7CONQCh. 13 - Prob. 8CONQCh. 13 - Prob. 9CONQCh. 13 - If a tRNA has an anticodon sequence 3CCI5, what...Ch. 13 - Describe the anticodon of a single tRNA that could...Ch. 13 - Prob. 12CONQCh. 13 - Prob. 13CONQCh. 13 - 14. What is the role of aminoacyl-tRNA synthetase?...Ch. 13 - Prob. 15CONQCh. 13 - 16. Discuss the significance of modified bases...Ch. 13 - How and when does formylmethionine become attached...Ch. 13 - Prob. 18CONQCh. 13 - Prob. 19CONQCh. 13 - Prob. 20CONQCh. 13 - The term subunit can be used in a variety of ways....Ch. 13 - 22. Do the following events during bacterial...Ch. 13 - 23. What are the three stages of translation?...Ch. 13 - Prob. 24CONQCh. 13 - 25. For each of the following initiation factors,...Ch. 13 - Prob. 26CONQCh. 13 - 27. For each of the following sequences, rank them...Ch. 13 - Prob. 28CONQCh. 13 - Prob. 29CONQCh. 13 - Prob. 30CONQCh. 13 - Prob. 31CONQCh. 13 - In which of the ribosomal sites, the A site, P...Ch. 13 - Prob. 33CONQCh. 13 - Prob. 34CONQCh. 13 - Prob. 35CONQCh. 13 - Prob. 36CONQCh. 13 - Prob. 37CONQCh. 13 - 1. In the experiment of Figure 13.7, what would be...Ch. 13 - 2. Polypeptides can be translated in vitro. Would...Ch. 13 - Discuss how the elucidation of the structure of...Ch. 13 - Describe the structure of a polysome, which is...Ch. 13 - Prob. 5EQCh. 13 - 6. The technique of Western blotting is described...Ch. 13 - The protein known as tyrosinase is needed to make...Ch. 13 - Prob. 8EQCh. 13 - Discuss why you think the ribosomes need to...Ch. 13 - 2. Discuss and make a list of the similarities...Ch. 13 - 3. Which events during translation involve...
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- There are different tRNAs for each amino acid. What is one major way to differentiate among the tRNAs for each amino acid?arrow_forwardFor the anticodon sequences 5' IAA, consider the DNA sequence of the gene encoding the tRNA, what is the sequence of the RNA-like strand of each tRNA gene that corresponds to the tRNA's anticodon? Be sure to indicate polarities.arrow_forwardWhat amino acid would a tRNA with anticodon CUA carry? Enter the 3 letter code only [A]. [e.g. Met for anticodon UAC]arrow_forward
- 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 BASEarrow_forwardA tRNA has an anticodon sequence 3′–GGU–5′. What amino acid does it carry?arrow_forwardWhat 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.)arrow_forward
- Describe the structural and sequence elements that are common to all tRNA molecules, addressing the function of each of the elements. What forces stabilize the tRNAs' structural features?arrow_forwardHow does the aminoacyl-tRNA synthetase that attaches the amino acid proline know which tRNA to attach the proline to?Question 24 options: A) the synthetase recognizes the sequence of the first 3 bases on the 3' end of the tRNA B) the synthetase reads the anticodon as well as a few other unique bases in tRNAPro C) proline only fits into the 3-dimensional structure of the tRNAPro D) the synthetase randomly chooses a tRNAarrow_forwardThe wobble pairing rule states that a 'U' in teh anticodon wobble position can pair with 'A' or 'G', whereas a 'C' in the wobble position of the anticodon can only pair with 'G'. what is the anticodon found on the Methionine tRNA?arrow_forward
- For the m-RNA nucleotide codons given below, what is the corresponding sequence of amino acids? AUG UGU AUA UAU GUA AUC ACC UUC UAU GUA ACA UUU UGG AAC AGC UGC CAU GUA UAC CAG AAA CUU GCA GAG CUG GCU UUG AUA UGA The α-helices are known to contain primarily the amino acids methionine, alanine, leucine, glutamate, and lysine, while β-pleated sheets are known to primarily contain the amino acids tryptophan, tyrosine, phenylalanine, isoleucine, valine, and threonine. Which one of these two types of secondary protein structure is present with this amino acid sequence?arrow_forwardA normal hemoglobin protein has a glutamic acid at position 6; in sickle-cell hemoglobin, this glutamic acid has been replaced by a valine. List all the possible mRNA codons that could be present for each type of hemoglobin. Can a single base change result in a change from Glu to Val in hemoglobin?arrow_forwardWhat is a motif? Why is it useful for computer programs to identifyfunctional motifs within amino acid sequences?arrow_forward
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