A. The diagram below shows a tRNA molecule.(i) Which part of a cell is the tRNA produced?(ii) Which part of this tRNA molecule (X, Y, Z) is amino acid attached to? Is ATP orGTP required in the formation of this attachment?(iii) Which part of this tRNA molecule (X, Y, Z) binds to mRNA? Name the bondformed at this part of tRNA with mRNA.(iv) Write the sequence of consecutive Z and amino acid sequence corresponding to thefollowing mRNA sequence.3' AUGCCGUACUAG 5'In your answer, copy the mRNA sequence. Below the mRNA sequence, write theTRNA sequence with 5' & 3' labels (from left to right), AND the amino acid sequence.

Name: A. The diagram below shows a tRNA molecule.(i) Which part of a cell i
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Description: A. The diagram below shows a tRNA molecule.(i) Which part of a cell is the tRNA produced?(ii) Which part of this tRNA molecule (X, Y, Z) is amino acid attached to? Is ATP orGTP required in the formation of this attachment?(iii) Which part of this tR

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A. The diagram below shows a tRNA molecule. X Y Z. (i) Which part of a cell is the tRNA produced? (ii) Which part of this tRNA molecule (X, Y, Z) is amino acid attached to? Is ATP or GTP required in the formation of this attachment? (iii) Which part of this tRNA molecule (X, Y, Z) binds to mRNA? Name the bond formed at this part of tRNA with mRNA.

A. The diagram below shows a tRNA molecule. X Y Z. (i) Which part of a cell is the tRNA produced? (ii) Which part of this tRNA molecule (X, Y, Z) is amino acid attached to? Is ATP or GTP required in the formation of this attachment? (iii) Which part of this tRNA molecule (X, Y, Z) binds to mRNA? Name the bond formed at this part of tRNA with mRNA.

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter15: From Dna To Protein

Section: Chapter Questions

Problem 12TYK: Discuss Concepts The normal form of a gene contains the nucleotide sequence: When this gene is...

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a) What is a mutation in molecular terms? b) a mutation deletes a base in the genomic DNA discuss how that will affect the reading frame and expression product production. Using the following list of codons describe, using diagrams etc., how information stored in the DNA is translated into a peptide. Be sure to discuss all steps. In other words, use a diagram and give me sequences, transcription and translation steps. Show the sequences of the sense and the other DNA strand, the mRNA and the tRNA’s. UUU -phenylalanine UCU -serine AUG –initiation/methionine CUU -leucine ACU -threonine GUU -valine UAA -Termination
1. If the gene above is transcribed into a functional mRNA, a.) how many codons will be carried by the functional mRNA? b.) what is the sequence of the 25th codon? c.) what is the sequence of the stop codon? 2. If the mRNA transcribed for this gene will be translated into a functional protein, a.) how many amino acids will be used to build the polypeptide chain? b.) what is the amino acid coded by the 25th codon? c.) what is the amino acid coded by the last codon? 3. If the above gene is one of the three structural genes of the lac operon that codes for the protein/ enzyme responsible for breaking lactose into two molecules of simple sugars, a.) what triggers the activation of this gene? b.) what triggers the inactivation of this gene? c.) what substance is attached to the operator region of the operon in the absence of activator? d.) what gene is responsible for the synthesis of the substance used to attach in the operator region in the absence of activator? e.) what…
1. If the gene above is transcribed into a functional mRNA,a.) how many codons will be carried by the functional mRNA?b.) what is the sequence of the 25th codon?c.) what is the sequence of the stop codon?2. If the mRNA transcribed for this gene will be translated into a functional protein,a.) how many amino acids will be used to build the polypeptide chain?b.) what is the amino acid coded by the 25th codon?c.) what is the amino acid coded by the last codon?
Give typing answer with explanation and conclusion to all parts Consider the following DNA mRNA sequence: 5’-ACTGATCCATGCCAGGGGTTTTCAACTAAAATGAAA-3’ a) What is the template sequence this mRNA was transcribed from? Include 5’ and 3’ labels. b) Based on this sequence, what you predict would be the resulting peptide sequence from it. c) In examining this sequence what is the proper reading frame of the open reading frame? (+1, +2, +3, -1, -2, or -3). d) What would you predict the peptide sequence to be if there was the following mutation that led to a base change: 5’-ACTGATGCATGCCAGGGGTTTTCAACTAAAATGAAA-3’
Number the following steps of protein synthesis in order in which they occur, starting with 1 and ending with 9. a. ____ the stop codon is reached, and the polypeptide is released b.____ the small ribosomal subunit finds the start codon, and the large ribosomal subunit joins. c.____ the end of the gene is reached, and the pre-mRNA is released and then edited. d. ____ The transcription factor bonds the promoter. e. ____ the protein is folded and modified to become functional. f. ____ RNA polymerase builds the mRNA transcript. g. ____ mRNA and initiator tRNA bind the small ribosomal subunit. h. ____ new tRNAs are brought into the A site successively, and the peptide chain of the tRNA in the P site is joined to the amino acid of the tRNA in the A site. i. ____ mRNA exits the nucleus via a nuclear pore.
Number the following steps of protein synthesis in the order in which they occur, starting with 1 and ending with 9.a. _____ The stop codon is reached, and the polypeptide is released.b. _____ The small ribosomal subunit finds the start codon, and the large ribosomal subunit joins.c. _____ The end of the gene is reached, and the pre-mRNA is released and then edited.d. _____ The transcription factor binds the promoter.e. _____ The protein is folded and modified to become functional.f. _____ RNA polymerase builds the mRNA transcript.g. _____ mRNA and initiator tRNA bind the small ribosomal subunit.h. _____ New tRNA molecules are brought into the A site successively, and the peptide chain of the tRNA in the P site is joined to the amino acid of the tRNA in the A site.i. _____ mRNA exits the nucleus via a nuclear pore.
17. All of the following occur when the amino acids of two tRNA molecules are joined, except. a. The tRNA in the first position is released to get a new amino acid b. The mRNA molecules bring amino acids to the ribosome to be joined to the growing polypeptide c. The growing polypeptide is attached to the tRNA in the second position d. The mRNA is pulled through the ribosome so that the tRNA with the protein chain goes into the first position
Discuss Concepts The normal form of a gene contains the nucleotide sequence: When this gene is transcribed, the result is the following mRNA molecule: In a mutated form of the gene, two extra base pairs (underlined) are inserted: What effect will this particular mutation have on the structure of the protein encoded in the gene?
Identify the features of tRNA that are important in decoding genetic information and converting it into protein language.
Briefly describe the function of the following in protein synthesis. a. rRNA b. tRNA c. mRNA
Figure 15.16 Many antibiotics inhibit bacterial protein synthesis. For example, tetracycline blocks the A site on the bacterial ribosome, and chloramphenicol blocks peptidyl transfer. What specific effect would you expect each of these antibiotics to have on protein synthesis? Tetracycline would directly affect: tRNA binding to the ribosome ribosome assembly growth of the protein chain Chloramphenicol would directly affect tRNA binding to the ribosome ribosome assembly growth of the protein chain
Which of the following statements is false? a. GTP is an energy source during various stages of translation. b. In the ribosome, peptidyl transferase catalyzes peptide bondformation between amino acids. c. When the mRNA code UAA reaches the ribosome, there isno tRNA to bind to it. d. A long polypeptide is cut off the tRNA in the A site so its Metamino acid links to the amino acid in the P site. e. Forty-two amino acids of a protein are encoded by 126nucleotides of the mRNA.