Not all the bases of an mRNA message are used for coding. Which of the following is a possible function for portions of mRNA molecules? Some parts of an mRNA molecule can signal replication initiation. Some parts of the mRNA molecule can act as signals for cell division. Untranslated regions 3' of the stop codon can contain signals for localization of the mRNA molecule within the cell. ● An mRNA molecule can bind to charged tRNAs and create peptides.

Not all the bases of an mRNA message are used for coding. Which of the following is a possible function for portions of mRNA molecules? Some parts of an mRNA molecule can signal replication initiation. Some parts of the mRNA molecule can act as signals for cell division. Untranslated regions 3' of the stop codon can contain signals for localization of the mRNA molecule within the cell. ● An mRNA molecule can bind to charged tRNAs and create peptides.

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter13: Gene Expression

Section13.4: Translation

Problem 3C: A certain mRNA strand has the following nucleotide sequence: 5AUGACGUAUAACUUU3 What is the anticodon...

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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; rRNA
Given the following mRNA, write the double-stranded DNA segment that served as the template. Indicate both the 5 and the 3 ends of both DNA strands. Also write out the tRNA anticodons and the amino acid sequence of the protein encoded by the mRNA message. DNA: mRNA: 5-CCGCAUGUUCAGUGGGCGUAAACACUGA-3 protein: tRNA:
Indicate which of the following items are associated with transcription or translation. This could be in prokaryotes or eukaryotes, or both. Group of answer choices: Translation OR Transcription Sigma binds to the promoter mRNA binds to the small ribosomal subunit Spliceosomes remove introns and splice together exons Nucleotides are added from the 5' to 3' end tRNA anticodon binds to the corresponding mRNA codon STOP codon results in termination
At least three types of RNA are required for protein synthesis. Compare and contrast mRNA, rRNA, and tRNA by moving the descriptions of their structure and function to the appropriate categories. Some phrases may describe all three types of RNA. mRNA in eukaryotes, can exist outside the nucleus acts as an enzyme for peptide synthesis composed of ribonucleic acid rRNA Answer Bank moves amino acids to the site of protein synthesis tRNA contains nucleotide triplets that code for specific amino acids has a convoluted structure with a three-base sequence called an anticodon moves genetic information out of the nucleus and into the cytoplasm mRNA, rRNA, and tRNA
A part of an MRNA molecule with the following sequence is being read by a ribosome: 5' - CCG-ACG - 3' (mRNA). The following charged transfer RNA molecules (with their anticodons shown in the 3' to 5' direction) are available. Two of them can correctly match the MRNA so that a dipeptide can form. TRNA Anticodon| Amino Acid GGC Proline Alanine Threonine CGU UGC Glycine Cysteine Alanine СCG ACG CGG The anticodon loop of the first tRNA that will complement this MRNA is Select one: a. 5'-ACG-3' b. 3'-UGC-5' O c. 5'-UGC-3' d. 5'-GGC-3' е. 3'-GGC-5'
A segment of mRNA produced by the normal order of DNA nucleotides and the corresponding amino acid chain are given below: mRNA segment: GCC UAC AAU GCG Amino acid chain: Ala-Tyr-Asn-Ala Knowing that insertion mutations shift the triplets by one base, if an insertion mutation adds a U to the beginning of that mRNA segment, what will be the new triplet/codon grouping and the new amino acid chain? Group of answer choices a. U GCC UAC AAU GCG; Ala-Tyr-Asn-Ala b. UCC UAC AAU GCG; Ser-Leu-Gln-Cys c. UGC CUA CAA UGC G; Cys-Leu-Gln-Cys d. UGC CUA CAA UGC G; Ala-Tyr-Asn-Ala e. UGCC UAC AAU GCG; Cys-Tyr-Asn-Ala
Which of the following does NOT happen during translation initiation? The mRNA binds to the small ribosomal subunit Next, the initiator tRNA binds to mRNA The tRNA’s anticodon binds the mRNA codon The next tRNA enters the ribosome next to the initiator tRNA What ends translation during translation termination? (Circle all that apply) mRNA binds the large ribosomal subunit Stop codon is reached Release factor binds to stop codon Release factor binds to Ribosome
Match the term with its definition comparing genomic DNA, mRNA, and proteins. You may only use each option ONCE. where transcription starts. where translation ends a chemical group that indicates the first nucleotide that was added to the mRNA a chemical group that indicates the first amino acid that was added to the polypeptide a DNA sequence that is neither transcribed nor translated a non-protein coding region upstream of the start codon in the mRNA promoter complimentary base-pairs with the codon amino-terminus a DNA sequence that is transcribed, but not intron translated [Choose ] stop codon +1 site tRNA 5-prime UTR start codon exon 5-prime triphosphate promoter amino-terminus 5-prime triphosphate stop codon
During translation, the mRNA template is read and amino acids corresponding to the codons are linked together. Use the labels on the left to identify the components of the image that are involved in translation. the growing polypeptide chain that becomes the new protein the mRNA transcript an uncharged tRNA that has been released from the E site a charged tRNA, carrying an amino acid the P site holds a tRNA with its amino acid bonded to the polypeptide chain the A site into which the charged tRNA will bind the ribosome ACC 44 GGGU a charged tRNA, carrying an amino acid AUG UAA
Protein synthesis is a complicated process involving DNA being transcribed to RNA, which is then translated into amino acids. Complete the DNA-to-amino acid table for three consecutive codons with the appropriate nucleotides and amino acids using a codon table. Nucleotide and amino acid options can be used multiple times or not at all. 5' to 3' DNA strand 3' to 5' DNA strand transcribed mRNA tRNA anticodon amino acid arginine cysteine leucine T A U A T G A U arginine leucine A proline T A U Answer Bank A G G с с T T A A U glutamic acid U G C G с с glutamic acid G G G с с G C arginine C G с G
Arrange the processes involved from Transcription to Translation. RNA polymerase binds in the promoter regions Polypeptide cleavage Release of methionine and conversion to active protein Translocation Appearance of UAG codon Attachment of the mRNA to ribosome with AUG in the P site DNA rejoins Covalent bonding of AA to the tRNA Elongation of RNA transcript Binding of Rho factor Partial unwinding of DNA
The diagram shows a pre-mRNA before splicing and processing. In this cell type, a protein is present that binds to the 3' splice site of intron 2, such that the spliceosome cannot bind here. What components of this transcript will be retained (and ultimately translated) vs. removed (not translated) in the spliced mRNA? RNA Exon 1 Intron 1 Exon 2 Intron 2 Exon 3 Intron 3 Exon 4 Exon 1 Intron 1 Exon 2 Intron 2 Exon 3 Intron 3 Exon 4 Removed Retained > <