Biochemistry
9th Edition
ISBN: 9781319114671
Author: Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher: W. H. Freeman
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Chapter 31, Problem 5P
Interpretation Introduction
Interpretation:
The ribosome with which polypeptide is associated will be the longest should be determined among the given options.
They will be the same length because the rate of translation is constant.
Those at 3’-end of the mRNA.
Those at 5’-end of the mRNA.
Those in the middle of mRNA.
Concept introduction:
Protein synthesis (translation) is a process of generating new protein sequences inside the cell. This process takes place in the cytoplasm of the cell. This process is balanced by the degradation or export of cellular proteins. It is constituted of three steps, initiation, elongation, and termination.
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Transcription & Translation
A. Describe mRNA splicing.
B.How do mRNA and rRNA interact?
C.How do mRNA and tRNA interact?
3. Given the following DNA molecule:
3'
T
5'
cG G T АА А АСТ
А
| | |
| | | | | |
| |
АT G C САТ ТТТGА
5' -
A 3.
Genetic expression involves transcription and translation. Match the structure or molecule to the
step.
a. promoter region
b. RNA polymerase
c. antisense strand
d. poly-A tail
е. 5 саp
f. splicing
g. anticodon loop
h. acceptor stem
i. peptide bond
j. A site
57. transcribed strand that will go on to translation
58. site where tRNA with amino acid enters the ribosome
59. intron sequences are removed and exons are combined together
60. site where amino acid combines with tRNA
Chapter 31 Solutions
Biochemistry
Ch. 31 - Prob. 1PCh. 31 - Prob. 2PCh. 31 - Prob. 3PCh. 31 - Prob. 4PCh. 31 - Prob. 5PCh. 31 - Prob. 6PCh. 31 - Prob. 7PCh. 31 - Prob. 8PCh. 31 - Prob. 9PCh. 31 - Prob. 10P
Ch. 31 - Prob. 11PCh. 31 - Prob. 12PCh. 31 - Prob. 13PCh. 31 - Prob. 14PCh. 31 - Prob. 15PCh. 31 - Prob. 16PCh. 31 - Prob. 17PCh. 31 - Prob. 18PCh. 31 - Prob. 19PCh. 31 - Prob. 20PCh. 31 - Prob. 21PCh. 31 - Prob. 22PCh. 31 - Prob. 23PCh. 31 - Prob. 24PCh. 31 - Prob. 25PCh. 31 - Prob. 26PCh. 31 - Prob. 27PCh. 31 - Prob. 28PCh. 31 - Prob. 29PCh. 31 - Prob. 30PCh. 31 - Prob. 31PCh. 31 - Prob. 32PCh. 31 - Prob. 33PCh. 31 - Prob. 34PCh. 31 - Prob. 35PCh. 31 - Prob. 36PCh. 31 - Prob. 37PCh. 31 - Prob. 38PCh. 31 - Prob. 39PCh. 31 - Prob. 40PCh. 31 - Prob. 41PCh. 31 - Prob. 42PCh. 31 - Prob. 43PCh. 31 - Prob. 44PCh. 31 - Prob. 45PCh. 31 - Prob. 46PCh. 31 - Prob. 47PCh. 31 - Prob. 48PCh. 31 - Prob. 49PCh. 31 - Prob. 50PCh. 31 - Prob. 51PCh. 31 - Prob. 52P
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- RNA processinga. removes the exons, leaving only the introns.b. is the same as transcription.c. is an event that occurs after RNA is transcribed.d. is the rejection of old, worn-out RNA.e. All of these are correct.arrow_forwarda. Use the parent strand as a template to synthesize mRNA strand. Describe how the mRNA strand is generated and regulated. Indicate the direction of synthesis. b. Synthesize a polypeptide from the mRNA.arrow_forwardA. rRNA is used to transfer amino acids to the ribosome. make up the large ribosomal subunit. make up the subunits of a ribosome. make up the small ribosomal subunit. B. When the full ribosome has bound to mRNA for the first time, the first codon (start codon) of the mRNA is in which site? It varies. P E Aarrow_forward
- The initiation factors a. help assembling both ribosomal subunits with mRNA and initiator tRNA b. help with the peptide bond formation c. help starting the translation elongation d. are responsible for the initiation of ribosome translocationarrow_forwardDescribe the process of translation. In your answer:a. Describe the structure of mRNA and identify the function of each part b. Describe the structure of tRNA and identify the roles played by each part of thestructure in translation c. Describe the structure and function of the ribosome d. Identify and describe the stages of translationarrow_forwardConsidering each nucleotide sequence in an mRNA molecule: [1] write the sequence of the DNA template strand from which the mRNA was synthesized; [2] give the peptide synthesized by the mRNA. a. 5 ' UUG CUC AAC CAA 3 'b. 5 ' AUU GUA CCA CAA CCC 3arrow_forward
- First Position (5'-end) U C A U UUU Phe UUC Phe UUA Leu UUG Leu G CUU Leu CUC Leu CUA Leu CUG Leu AUU Ile AUC Ile AUA Ile AUG* Met GUU Val GUC Val GUA Val GUG Val с UCU UCC UCA UCG Ser Second Position A CCU Pro CCC Pro CCA Pro CCG Pro ACU ACC Ser Ser Ser Thr Thr ACA Thr ACG Thr GCU GCC Ala Ala GCA Ala GCG Ala *AUG also serves as the principal initiation codon. G UAU Tyr UGU UAC Tyr UGC UAA Stop UGA UAG Stop UGG CAU His CAC His CAA Gln CAG Gln AAU Asn AAC Asn AAA AAG GAU Asp GAC Asp GAA Glu GAG Glu CGU Arg CGC Arg CGA Arg CGG Arg Lys AGA Lys AGG Cys Cys Stop Trp AGU Ser AGC Ser GGU GGC Arg Arg Gly Gly GGA Gly GGG Gly Third Position (3'-end) DOAG DOAG U C U C DOAG DOAG U C U Carrow_forward3’ G G A U A C G U C A C C G G U A U A A G G U U U C G U A U C G 5’ If the RNA synthesized above is a functional mRNA and all the nucleotides belong to an exon, a. how many codons are present in this mRNA? b. how many codons actually code for a protein in this mRNA? c. what stop codon is present in this mRNA?arrow_forwardwith the main components involved in protein synthesis. ITEM BANK: Move to Bottom anticodon tRNA codon translation drag and drop answer here D. Growing Polypeptide Chain of Amino Acids A. Peptide Bond 100 mRNA Amino acid C. Brth 6 po ribosome drag and drop answer here drag and drop answer here. B. drag and drop answer here drag and drop ariswer here.arrow_forward
- During translation, when a stop codon is read on the mRNA strand at the ribosome... a the mRNA is digested by a protease complex b a repressor attached to the ribosome that inhibits the movement of the ribosome along the mRNA c the enzyme helicase binds to terminate the polypeptide d a release factor enters the A site of the ribosome and stimulates the disassembly of the translation complex Codons are... a triplets coding for a single amino acid. b redundant in their coding for various amino acids. c matched with anticodons during translation d triplets found on transfer RNA Question 6 (1 point) In order to produce many copies of the same protein in a short period of time, the cell uses... a intron self-splicing. b many RNA polymerase molecules to produce multiple mRNA transcripts at the same time. c single-unit ribosomes for high speed translation. d codon-anticodon reciprocal…arrow_forwardC. Sequence the following steps in protein synthesis from first to last (1-6)___A. Transciptions___B. tRNA - amino acid unite link to mRNA___C. Amino acid separate from tRNA ___D. Polypeptide chain assembled ___E. mRNA links to ribosome___F. Stop codon encountered in mRNAarrow_forwardtRNAs a. carry amino acids b. bind to the anticodon present in the mRNA c. adapt the genetic information to the ribosome d. catalyze the peptide bondarrow_forward
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