Campbell Biology in Focus
3rd Edition
ISBN: 9780134710679
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Rebecca Orr
Publisher: PEARSON
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Question
Chapter 18.2, Problem 3CC
Summary Introduction
To describe:
The role of non-coding RNAs that are not transcribed into mRNA.
Introduction:
The National Human Genome Research Institute launched a public research association named ENCODE, the Encyclopedia of DNA Elements, in September 2003. It is a project to identify all the functional elements in human genome sequence.
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A partially filled diagram of eukaryotic gene structure is shown below. Label the following additional elements in the empty boxes. One label must be used twice: a) 3'UTR, b) 5'UTR, c) exon, d) intron, e) promoter
© Macmillan Learning
Predict the amino acid sequences of peptides formed by ribosomes in response to each mRNA sequence, assuming that the
reading frame begins with the first three bases in each sequence. Construct the peptides using the one-letter codes of the
amino acids.
GQSLI
GGUCAGUCGCUCCUGAUU:
Incorrect Answer
UUGGAUGCGCCAUAAUUUGCU:
LDAP
Correct Answer
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Sorry, that's incorrect.
You have not correctly entered the
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peptide sequence corresponding to the
first mRNA sequence.
The codons within the first mRNA
sequence are: GGU, CAG, UCG, CUC,
CUG, and AUU. Find each codon
within the amino acid codon table and
identify its corresponding amino acid.
HDRCA
CAUGAUGCCUGUUGCUAC:
Incorrect Answer
MDE
AUGGACGAA:
Correct Answer
Pls help ASAP
Chapter 18 Solutions
Campbell Biology in Focus
Ch. 18.1 - Prob. 1CCCh. 18.2 - Prob. 1CCCh. 18.2 - Explain the advantage of the systems biology...Ch. 18.2 - Prob. 3CCCh. 18.3 - The best estimate is that the human genome...Ch. 18.3 - Prob. 2CCCh. 18.3 - Prob. 3CCCh. 18.4 - Discuss the characteristics of mammalian genomes...Ch. 18.4 - Which of the three mechanisms described in Figures...Ch. 18.4 - Prob. 3CC
Ch. 18.5 - Describe three examples of errors in cellular...Ch. 18.5 - Prob. 2CCCh. 18.5 - Prob. 3CCCh. 18.6 - Would you expect the genome of the macaque (a...Ch. 18.6 - Prob. 2CCCh. 18 - Prob. 1TYUCh. 18 - Prob. 2TYUCh. 18 - Two eukaryotic proteins have one domain in common...Ch. 18 - DRAW IT Comparing amino acid sequences of similar...Ch. 18 - SCIENTIFIC INQUIRY The scientists mapping human...Ch. 18 - FOCUS ON EVOLUTION Genes important in the...Ch. 18 - FOCUS ON INFORMATION The continuity of life is...Ch. 18 - SYNTHESIZE YOUR KNOWLEDGE Insects have three...
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- • Draw a figure of a gene model containing labeled 5' and 3' UTRs, exons, and introns. Label the promoter region, the transcription start site and the translation start and stop. • Use your figure to show how alternative splicing can generate two different mature mRNAs from your gene model that nevertheless share some coding sequence. Draw these alternative mRNAs and indicate where are the 5' and 3' UTRs in the mature mRNAs.arrow_forwardQ1 There are similarities and differences during regulation of gene expression in both prokaryotes and eukaryotes. Promoters, transcription factors and RNA polymerase are essential elements in transcription but their properties and function may differ. b) Hypothesize the transcription of eukaryotic genes using prokaryotic promoter with further explanation.arrow_forwardWHAT IF? What would be the effect of treating cellswith an agent that removed the cap from mRNAs?arrow_forward
- Macmillan Learning Label the structural features of the yeast phenylalanine tRNA. Answer Bank region that carries the amino acid at its end Extra arm 5' end region that contains the bases ribothymidine and pseudouridine region that contains the base dihydrouridine region that contains the anticodon, which base pairs with the mRNAarrow_forwardPls help ASAParrow_forwardSolve it asaparrow_forward
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