Which of the following eukaryotic mRNA 5' untranslated sequences is likely to interfere with translation initiation?
A) 5'-AUAUAGAAAAUAACGCUUAUUAAUUCUUUGAAUG
B) 5'-CGUUACAAAAUAACGCAUUUCCAAUUCUUUGAAUG
C) 5-AUAUAGAAAAUAACGCAUUUCCAAUUCUUUGAAUG
Which of the following eukaryotic mRNA 5' untranslated sequences is likely to interfere with translation initiation?...
* 1. Which of the following statements describes translation initiation in Eukaryotes: Initiation factors, a tRNAmet, and the ribosome's small subunit bind to the poly-A tail of mRNA. ✓ The ribosome's large subunit, tRNA, and P-site scan the mRNA for codons. ✓ The ribosome's large subunit binds to AUG codon on the mRNA. A ribosome binds to the C-terminus of an mRNA. Initiation factors, a tRNAmet, and the ribosome's small subunit bind to the 5'cap of mRNA. Initiation factors provide...
Which process necessarily involves recognition of specific RNA sequences? Select one: a. Intron removal by mRNA splicing. b. Association of the ribosome 30s subunit with mRNA for the initiation of translation. c. Termination of translation. d. All of these e. None of these
7. For each of the following initiation/elongation factors, how would eukaryotic translation be affected if it were missing? A) eIF2 B) eIF4 C) eEF2
QUESTION 1 QUESTION 5 QUESTION 11 Identify the components required for translation initiation in bacteria What is the enzymatic component of the ribosome? A Protein Identify the TRANS components of the transcription initiation complex in bacteria ATFIE Bir RNA C. TATA BOX D-10 and 35 sequences E Signa factor B. Carbohydrates C.RNA CATFIE B. 5methyl guanosine cap C. Shine-Dalgamo Sequence D. Sigma factor CETFIID (TBP and TAFS) FTFIIB G. Initiator RNA H.10 and 35 sequences EL Smal ribosomal subunit J....
Which is incorrect about the initiation of translation? Select one: a. 30S subunit binds to mRNA first by recognizing the Shine-Dalgarno sequence on mRNA. b. In bacteria, most of the starting Met codon is specifically for N-formyl methionine (fMet). c. After fMet-loaded tRNA is bound, the 50S subunit binds to make the complete translational complex. d. A complete ribosome complex migrates on an mRNA until it finds the Shine-Dalgarno sequence. e. All of these
Multiple RNA molecules are important in translation: mRNA, tRNA, and rRNA. Which of the following is most likely to slow the production of a single protein in the cytoplasm? Downregulation of genes encoding tRNA components. An increase in the synthesis of the 80S ribosomal proteins important in ribosomal translational initiation. Recruitment of RBPs that promote RNAse degradation to the 3’UTR of the mRNA transcript. Mutations in mitochondrial tRNAs important in the synthesis of mitochondrial proteins.
1. Describe the differences between prokaryotic and eukaryotic translation initiation. How does the ribosome find the correct start codon and what proteins are involved in the process? please include the shine-dalgarno sequence in the answer. 2. Consider the following partial sequence of messenger RNA. The sequence below contains the code for a short, complete protein. 5 ́-UCCCCAGUCAUGGAGUCGUUAAUUAAAUGACCGGUGCGGAUCGUA - 3 ́ Using the codon chart (from your textbook or in the lecture slides), give the amino acid sequence of the protein...
Describe the features present in a mature eukaryotic messenger RNA (mRNA) and discuss how they facilitate translation initiation
18. Which of the following statements correctly describe the role of transcription in the initiation of transcription in eukaryotes? A. Some transcription factors must bind to the promoter before RNA polymerası bind. B. Some transcription factors must bind to the promotor proximal element to en significant levels of mRNA production C. Some transcription factors can bind to enhancer elements thousands of base away from the gene D. Some transcription factors can bind to silencer elements that might be locate thousands...
Which of the following statements best describes the initiation of translation? A tRNA with the anticodon, AUG, enters the ribosomal complex and binds to the mRNA at the A site. b) The large and small ribosomal subunits scan the mRNA in the 3'-5 direction until the promoter is reached. The mRNA containing the start codon, AUG, sits at the P site and forms a complex with the corresponding tRNA, and the large and small ribosomal subunits. d) The mRNA attaches...