For translation of eukaryotic mRNA sequences: a) The stop codon stops translation by blocking the ribosome. b) The tRNA is the same thing as the amino acid. c) There are two binding pockets within the ribosome where different tRNAs will bind to the mRNA. d) The first codon that is recognized by the ribosome is UAG e) The ribosome can bind to the mRNA in any location.

For translation of eukaryotic mRNA sequences: a) The stop codon stops translation by blocking the ribosome. b) The tRNA is the same thing as the amino acid. c) There are two binding pockets within the ribosome where different tRNAs will bind to the mRNA. d) The first codon that is recognized by the ribosome is UAG e) The ribosome can bind to the mRNA in any location.

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter10: From Proteins To Phenotypes

Section: Chapter Questions

Problem 20QP: If an extra nucleotide is inserted in the first exon of the beta globin gene, what effect will it...

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The process of translation involves three distinct phases: initiation, elongation, and termination. Which of the following is an accurate statement of a molecular event that occurs during one of the phases? A. All phases of translation require the energy of ATP to fuel molecular processes. B. The first components to assemble in initiation are the large ribosomal subunit, mRNA, and the initiator tRNA molecule. C. A peptide bond forms between the new amino acid and the amino acid at the C-terminus of the growing polypeptide chain. D. Amino acids are added to the polypeptide chain that sits in the A site of the translation initiation complex.
What is the correct sequence in translation? a tRNA attaches to start codon, ribosome attaches to mRNA in P site, new tRNA enters on A site, peptide chain moves to old tRNA in P site, old tRNA moves to E and new tRNA to P. b tRNA attaches to start codon, ribosome attaches to mRNA in P site, new tRNA enters on A site, peptide chain moves to new tRNA, old tRNA moves to E and new tRNA to P. c tRNA attaches to start codon, ribosome attaches to mRNA in A site, new tRNA enters on P site, peptide chain moves to new tRNA, old tRNA moves to E and new tRNA to A. d tRNA attaches continuously to mRNA without the need of a ribosome. Proteins are: a the direct translation of a single gene b in most cases, the results of post-translation control c first transcribed from DNA by an operon d transcription factors Which of the following statements is false? a In the lytic cycle, new phage are produced and released into the environment. b…
Given the following mRNA sequence, what is the amino acid sequence of the polypeptide that will be produced in the cell? 5’ – CGAGGUAUGCCAACGUGCGUCUAAUCCCGA-3
The template strand of a double helical segment of DNA consists of the following sequence: 5’-GTAGCCTTAAGCGATCACCGTCCGTATTACTAGTGGCCAGACTCTTTTCACTCTCATGTATAGTTG-3’ What is the nucleotide order in the complementary mRNA that can be transcribed from the given DNA strand?
If the mRNA transcribed for this gene will be translated into a functional protein, how many amino acids will be used to build the polypeptide chain? what is the amino acid coded by the 25th codon? what is the amino acid coded by the last codon?
Geneticists have found that when they cut out a eukaryotic gene from genomic DNA that they can hybridize one of the strands of that gene to the mRNA for that gene by allowing the strands to hydrogen bond. Why is it sometimes claimed that alternative splicing of exons from a single gene results in a set of proteins of related function?
Put the following events of elongation in prokaryotic translation in chronological order. 1. Binding of mRNA with small ribosomal subunit 2. Recognition of initiation codon 3. Complementary base pairing between initiator codon and anticodon of initiator tRNA 4. Base pairing of the mRNA codon following the initiator codon with its complementary tRNA 5. Attachment of the large subunit 2, 1, 4, 3, 5 5, 4, 3, 2, 1 1, 2, 3, 5, 4 1, 2, 3, 4, 5
Which part of a cell is the tRNA produced?
Why must tRNA molecules have both unique structural features and common structural features?
If an extra nucleotide is inserted in the first exon of the beta globin gene, what effect will it have on the amino acid sequence of the globin polypeptides? Will the globin most likely be fully functional, partly functional, or nonfunctional? Why?
A certain mRNA strand has the following nucleotide sequence: 5AUGACGUAUAACUUU3 What is the anticodon for each codon? What is the amino acid sequence of the polypeptide? (Use Figure 13-5 to help answer this question.) Figure 13-5 The genetic code The genetic code specifies all possible combinations of the three bases that compose codons in mRNA. Of the 64 possible codons, 61 specify amino acids (see Figure 3-17 for an explanation of abbreviations). The codon AUG specifies the amino acid methionine and also signals the ribosome to initiate translation (start). Three codonsUAA, UGA, and UAGdo not specify amino acids; they terminate polypeptide synthesis (stop).
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