EBK BIOLOGY
5th Edition
ISBN: 9780100667976
Author: Maier
Publisher: YUZU
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Chapter 9, Problem 9LTB
Summary Introduction
Introduction:
The process of converting RNA into proteins is termed as translation. It occurs after transcription. The mRNA formed by the process of transcription undergoes translation to synthesize proteins. tRNA is an important component in the process of translation.
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Suppose the codon sequence
GUGCAAUUCGAGGCC
has a single base pair mutation to
GUGCAAUUCAAGGCC.
If the old protein sequence was Val-Gln-Phe-Glu-Ala, what will be the new sequence encoded by the mutant gene?
____________________________.
which level of structure describes non watson crick intercations in trna
_____________ are molecular machines that excise introns from pre-mRNA and then join exons together.
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- The genetic code is defined as a series of _______________ in _______________. (a) anticodons; tRNA (b) codons; DNA (c) anticodons; mRNA (d) codons; mRNA (e) codons and anticodons; rRNAarrow_forwardWhat is meant by the degeneracy of the genetic codearrow_forwardSome aminoacyl-tRNA molecules bind to more than one codon because there is some play or wobble in the ____________ of the codon. Question 18 options: first base second base third base first and third bases none of the abovearrow_forward
- The genetic code is redundant (i.e., most amino acids are coded for by more than one codon). Why is this beneficial when it comes to errors in DNA replication or transcription?arrow_forwardThis question refers to the mRNA sequence below: 5-CCGUAUGCAUUUCGGACUUAGUAAGGACUGACAUAA-3' As this mRNA is translated, the sixth codon is Fill in the blank with the correct codon without any spaces, and nothing else, so that Moodle can grade your question correctly.arrow_forwardSPLIT DNA MRNA TRNA Codon Anticodon Amino Acid A T C A T T A T C T A G Aarrow_forward
- Select the antisense strand of the DNA (opening at 3’ end from the left) and have it transcribed (RNA codons for translation). Translate the RNA codons using the given genetic code.arrow_forwardA _____________________ is a purine-rich sequence closeto AUG (the initiation codon) on a prokaryotic mRNA thatbinds to a complementary sequence on the 30S ribosomesubunits, thereby promoting the formation of the correctpreinitiation complex.arrow_forwardA _____________ is a purine-rich sequence in close proximity to AUG on a prokaryotic mRNA that binds to a complementary sequence on the 30S ribosome subunits, thereby promoting the formation of the correct preinitiation complex.arrow_forward
- The attachment of an amino acid to a tRNA is calledarrow_forwardUse the codon chart to determine the following RNA strand in amino acids (Remember to write it the same way the strand is): ACA-AGG-UUA-UGA second letter C A UAU Tyr U UUU UCU UGU Phe Cys UUC UCC UAC UGC C Ser UAA stop | UGA stop| A UAG stop UGG Trp UUA UCA UUG Le UCG CUU CCU CAU CGU His CUC ССС CAC CGC Leu Pro Arg CUA ССА САА CGA Gln СCG CAG CGG CUG AGU AAU Asn AUU ACU Ser AGC S AGA Arg AAC AUC } lle A AUA АСC Thr AAA Lys АСА AUG Met ACG AAG AGG GUU GCU GAU GGU Asp GAC GGC Gly GGA GCC GUC Val Ala GAA GAG } GUA GCA Glu GGG GUG GCG Your answer first letter ACUCAGUCAGUCAG third letterarrow_forwardWhen examining the genetic code, it is apparent that ________. there are 44 stop codons because there are only 20 amino acids there can be more than one codon for a particular amino acid AUG is a terminating codon the code is ambiguous in that the same codon can code for two or more amino acids there can be more than one amino acid for a particular codonarrow_forward
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