BIOCHEMISTRY 2 TERM ACCESS
9th Edition
ISBN: 9781319402877
Author: BERG
Publisher: MAC HIGHER
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Chapter 31, Problem 23P
Interpretation Introduction
Interpretation:
The peptide sequence of the given mRNA sequence should be determined.
Concept introduction:
tRNA (transfer ribonucleic acid) is a type of RNA, which decodes mRNA into a protein sequence. During the process of translation, tRNAs bind to specific sites on the ribosome. For each codon on mRNA, there is an anticodon on tRNA. Binding of these two RNAs helps in the proper synthesis of proteins.
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AAAGAGAAAAGAAUA
to AAAGAGAAAUGAAUA.
Suppose the codon sequence
has a single base pair mutation
If the old protein sequence was Lys-Glu-Lys-Arg-Ile, what will be the new sequence encoded by the mutant gene?
(Use the 3-letter amino acid abbreviations with hyphens and no spaces in between, i.e. Ser-Asn-Tyr-Leu-Pro.)
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Retry Entire Group No more group attempts remain
Transcription. Using strand 1 of the DNA molecule as a template, transcribe a messenger RNA molecule (a.k.a. mRNA transcript).
Strand 1
3’ End
TTG
CTT
CAC
CTT
GCG
CGC
CCG
CGC
TAA
TTG
5’ end
mRNA
tRNA enzyme. Any given aminoacyl-tRNA synthetase: a. Attaches the amino acid to the 5′-end '5end of the tRNA b. Always recognizes only one specific tRNA c. Recognizes all tRNA molecules d. Forms an ester linkage between the amino acid and the tRNA
Chapter 31 Solutions
BIOCHEMISTRY 2 TERM ACCESS
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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- Describe translation. What is the function of the aminoacyl-tRNA synthase?arrow_forwardHi, help please. Which of the following is TRUE regarding RNA editing? a .The coding sequence is altered in the chromosome b. More than one answer choice is correct c. The mRNA is altered by Guide RNAs d. Translation first takes place, following by altering of the coding sequencearrow_forwardA cluster of ribosomes. In a polysome, or polyribosome, the polypeptides associated with which ribosomes will be the longest: a. They will be the same length since the rate of translation is constant. b. Those at the 3'-end3'-end of the mRNA. c. Those at the 5'-end5'-end of the MRNA. d. Those in the middle of the mRNA.arrow_forward
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