Which of the following statements is true for miRNA but not siRNA? Formed from an RNA transcript that folds into a hairpin. Single stranded RNA about 21 nucleotides. Processed from longer piece of RNA. Can be used to inhibit translation of mRNA.
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- Which of the following statement(s) about the tRNA molecule is NOT correct? Question 39 options: tRNA is the cellular "interpreter molecule"; plays a crucial role in the translation of the genetic code into an amino acid sequence tRNA molecules have a complex 3-dimensional structure resembling an "L" 't' stands for transfer, because tRNA molecules transfer cellular amino acids to the ribosome aminoacyl-tRNA molecules are mostly found in the nucleus of a cell each tRNA has an amino acid-binding site as well as an anti-codon siteQuestion / G 3 G2 G1 G 5 G 4 GGU AUG GCC AUG CUC CUc UUC ACG GAG UAC CGG R (the strand) Y CUC GAG AAG The original template for this process is: O DNA O TRNA O FRNA O MRNAThis question refers to the mRNA sequence below: 5'-AGCUG AUGGGCUGGUGCCGAGAAAGUUAGGUA A-3' What is the name of the third amino acid in the protein formed from this mRNA? Fill in the blank with the correct amino acid name, but nothing else so that Moodle can grade this question correctly.
- To which of the following tRNA structures is the amino acid attached with during aminoacylation? Question 40 options: D arm 3' acceptor arm Variable arm Anti-codon loop TψC armWhich of the following statement about mRNA is TRUE? Question 12 options: mRNA splicing is a conserved process in both prokaryotes and eukaryotes. Post-transcriptional regulation of gene expression may occur outside of the nucleus in eukaryotes. In eukaryotes, mRNA maturation requires 5'-capping, splicing and the addition of poly A tails. mRNA is transported out of the nucleus for translation in eukarytotes.Before the next elongation cycle can take place at a ribosome, the peptide chain of the peptidyl-tRNA has to be transferred to the ___ site and the deacylated tRNA has to move to the ___site. Question 46 options: A, P P, A A, E P, E there is no peptidyl transfer happening during protein translation
- This question refers to the mRNA sequence below: 5'-AGCUGAUGGGCUGGUGCCG AGAAAGUUAGGUAA-3' What is the name of the sixth amino acid in the protein formed from this MRNA? Fill in the blank with the correct amino acid name, but nothing else so that Moodle can grade this question correctly.True/False Question (suggested time - up to 1 minute): A particular (RNA can recognize only one specific codon in an mRNA. O True O False A Meving to another question will save this response.Question:- What is the role of tRNA? To replace T with U when transcribing mRNA. To bind the ribosome and the mRNA chain together. To transcribe the DNA and move the mRNA chain out of the nucleus. To assure that the mRNA chain carries the correct code. To carry the correct amino acids to the ribosome.
- How many tRNA molecules can associate with a ribosome at any given time during translationWhich of the following processing events occur during or after the synthesls of MRNA molecules in eukaryotes? Intron splicing Addition of a 5'cap O Cleavage of multiple functional molecules from a larger precursor O Polyadenylation of the 3' endQuestion 9 of 10 Question 9. If a mutation occurs such that there is a duplication of the A in the 3rd codon of the MRNA sequence below. This is called a mutation. 5' - AUG CUC UAC-3'