Once transcribed, eukaryotic mRNA typically undergoes substantial processing that includesMark all that applya. Removal of intron sequencesO b.Addition of a 5' G-capOc.Fusion into circular forms known as plasmidsO d. Addition of a 3' poly-A taile. Linkage to tRNA synthetases

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Description: Once transcribed, eukaryotic mRNA typically undergoes substantial processing that includesMark all that applya. Removal of intron sequencesO b.Addition of a 5' G-capOc.Fusion into circular forms known as plasmidsO d. Addition of a 3' poly-A taile. L

The processing of eukaryotic mRNA is an important step in gene expression. Eukaryotic pre-mRNA has…

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Biology

Once transcribed, eukaryotic mRNA typically undergoes substantial processing that includes Mark all that apply a. Removal of intron sequences b. Addition of a 5' G-cap Oc. Fusion into circular forms known as plasmids Od. Addition of a 3' poly-A tail e. Linkage to tRNA synthetases

Once transcribed, eukaryotic mRNA typically undergoes substantial processing that includes Mark all that apply a. Removal of intron sequences b. Addition of a 5' G-cap Oc. Fusion into circular forms known as plasmids Od. Addition of a 3' poly-A tail e. Linkage to tRNA synthetases

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter9: Molecular Biology

Section: Chapter Questions

Problem 7RQ: Portions of eukaryotic mRNA sequence that are removed during RNA processing are . a. exons b. caps...

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Some events that take place in proteins synthesis are shown below: A. An enzyme reads the gene surface B. A transcription factor bonds to a promoter site C. An mRNA molecule is produced D. The transcript leaves the nucleus E. An MRNA polymerase attaches to the template strand Which if the following shows the correct sequence? ACEDB ЕВАCD ОВАСЕ D EACAD О САВЕD О АВСЕD В АEDC ВЕАСD EABCD
Genetic expression involves transcription and translation. Match the structure or molecule to the step. a. promoter region b. RNA polymerase c. antisense strand d. poly-A tail е. 5 саp f. splicing g. anticodon loop h. acceptor stem i. peptide bond j. A site 57. transcribed strand that will go on to translation 58. site where tRNA with amino acid enters the ribosome 59. intron sequences are removed and exons are combined together 60. site where amino acid combines with tRNA
29. Translation ends when a release factor causes the translation complex to dissociate TRNA recognizes a codon on mRNA O the polypeptide chain is complete the terminator sequence on the gene is encountered O the large ribosomal subunitsplits from the small subunit
What is the order of the tRNA binding sites on the 70S ribosome with respect to the 5'→ 3' direction of mRNA? O a. PAE ОБ.ЕРА OC. AEP O d. PEA O e. E AP Which of the following is TRUE regarding eukaryotic RNA processing? O a. Functional individual FRNA cannot be produced without splicing. O b. Splicing of the MRNA precursor is done in the cytoplasm, while modification of the ends is done in the nucleus. OC. An unprocessed mRNA precursor is translocated into the cytoplasm to be modified before the translation. O d. Splicing of the mRNA precursor is done in the nucleus, while modification of the ends is done in the cytoplasm. O e. Transcription yields primary transcript, which can by itself yield a functional protein. RNA self-splicing demonstrates the role of RNA as a(n): O a. spliceosome. O b. intron. O c. nucleophile. O d. exon. O e. catalyst.
a. promoter region b. RNA polymerase C. antisense strand d. poly-A tail e. 5' cap f. splicing 8. anticodon loop h. acceptor stem L peptide bond A site 1. connects amino acid to polypeptide chain and leaves tRNA 2. transcribed strand that will go on to translation 3. recognized by the protein synthesis machinery 4. part of tRNA with nucleotides complementary to MRNA 5. enzyme that connects RNA nucleotides to DNA template 6. site where tRNA with amino acid enters the ribosome - 7. intron sequences are removed and exons are combined together 8. region of DNA with sequences that com bìne with RNA polymerase 9. site where amino acid combines with ERNA 10. makes RNA mare stable in the cytoplasm
Interaction between and of the mRNA is required for proper translationof eukaryotic mRNAs. A. ribosome; shine dalgarno B. None of the above C. 5’ cap; poly A tail D. Intron; exon
Match the items listed below with "eukaryotic" if they can be found in eukaryotic cells only, "prokaryotic" if they are found in prokaryotic cells only, or "both" if they are found in both. poly-adenylation signal sequence Shine-Delgarno sequence MRNA A. eukaryotic TRNA B. prokaryotic В. intron splicing factors both C. 5 capped mRNA endonucleases rRNA 主

The initiation factors a. help assembling both ribosomal subunits with mRNA and initiator tRNA b. help with the peptide bond formation c. help starting the translation elongation d. are responsible for the initiation of ribosome translocation
Match Column A with Column B. transports amino acids to the site of protein synthesis has anticodon loop directs amino acid sequence of proteins contains the Shine-Delgarno sequence synthesized in the eukaryote nucleus found inside the ribosome region where the RNA binds to the DNA template…
The sequence of bases in a sample of MRNA was found to be: GGU,AAU,CCU,UUU,GUU,ACU,CAU,UGU a Deduce the sequence of amino acids this codes for. b Determine the sequence of bases in the coding strand of DNA from which this MRNA was transcribed. c Within a cell, state where the triplet codes, codons and anticodons are found.
Which of the following statements are true about eukaryotic mRNA?a. The sigma factor is essential for the correct initiationof transcription.b. Processing of the nascent mRNA may begin beforeits transcription is complete.c. Processing takes place in the cytoplasm.d. Termination is accomplished by the use of a hairpinloop or the use of the rho factor.e. Many RNAs can be transcribed simultaneously fromone DNA template
49Eukaryotic RNA polymerases can be distinguished by their sensitivities to ( ). 50Each bacterial mRNA open reading frame has its own ( ) codon. 51Two nuclear splicing intermediates resemble ______________. A.helicesb.lariatsc.hairpinsD.projections