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- Shown here is a tRNA for tryptophan. Which of the locations on the tRNA accommodates looser base-pairing rules? H part 2 H₂N-C N H CH₂ -C || CH codons C 3 1 2 35' Choose one: IIIIIIIbase-pairing UGG anticodon in tRNA 5' Choose one: O A. site 3 OB. site 1 OC. All of the sites maintain strict base-pairing rules. OD. site 2 3' Using the genetic code here, determine the amino acids that a polynucleotide of UC would code for. AGA UUA AGC AGG AGU UUG CUA GUA GCA CGA GCC CGC GGA GGC CCA UCA ACA CCC UCC ACC AUA CUC GUC GCG CGG GAC AAC UGC GAA CAA GGG CAC AUC CUG AAA UUC CCG UCG ACG UAC GUG GCU CGU GAU AAU UGU GAG CAG GGU CAU AUU CUU AAG AUG UUU CCU UCU ACU UGG UAU GUU Lys Met Phe Pro Ser Thr Trp Tyr Val KM FPS T W Y V amino Ala Arg Asp Asn Cys Glu Gin Gly His lle Leu DN E QGHIL acids A R с O A. Ser, His O B. Leu, Ser OC. Phe, Leu O D. His, Thr codon in mRNA UAA UAG UGA stopMatch the function with the appropriate protein or sequence: 1. Keeps two ribosome subunits apart IF3 2. Base-pairs with 3' end of 16S Shine- FRNA Dalgarno sequence 3. Prevents initiator tRNA IF2 going into the incorrect site 4. Guides the initiator tRNA IF1 to the correct site > > >Which of the triplets below is a possible anticodon for a tRNA that transports Leucine (Leu) to a ribosome? Second letter C UGU cys UCU1 UCC UCA UCG UAU Tyr UACS Ser UAA Stop UGA Stop A UAG Stop UGG Trp UUU UGCS Phe UUC U UUA UUG FLeu CAU HiS CGU] CUU CUC Leu CCU ССС CCA CCGJ CACS CGC Arg CGA CAA GIn Pro C CUA CUG J CAG S CGG AUU AUC lle AUA AAU Asn AGU ser ACU АСС Thr ACA AAC AAA ys AGA Arg AAG J AGC AUG Met ACG Lys AGG J GUU GUC CUA Val GAU ASP GCU GACJ GCC FAla GGU] GGC CGA Gly CCA C CAA M UCAG Third letter UCAG UCAG First letter
- otein structure urs Chaperones AUG Zwitterion Tarm Aminoacyl-tRNA synthetase Unanswered 0 0/1 answered III I III A compound with no electrical charge made up of separate molecules with positive and negative charges that balance each other out. Attaches the appropriate amino acid to a tRNA molecule based on its anticodon. Surprisingly contains a thymine in it despite being a piece of RNA. Recognized by the anticodon UAC. Small group of proteins that assist protein folding. SubmitE channel Charged tRNA Anticodon for START Initiating factors Release factors m III III exit site for an uncharged stem of tRNA UAC located on tRNA's anticodon arm proteins that help mRNA bind to a small and large ribosomal subunit to start translation a tRNA that contains its appropriate amino acid attached to the acceptor arm bind to STOP codons and result in a hydrolysis reaction that creates a drop of water that halts translationTRNAS are 'charged' or activated by aminoacyl TRNA synthetases. Select the correct statements regarding this process. The process is dependent on interactions between ribosomes and aminoacyl TRNA synthetases. The aminoacid is added to the D-loop of the tRNA. Aminoacyl TRNA synthetases are pre-associated with tRNAS. The amino acid is attached to the terminal to the 3' hydroxyl of an adenine in the acceptor arm. The process requires an aminoacyl-adenylate intermadiate. QUESTION 19 Select the correct statements regarding myosin-mediated contraction the sarcomere. O Ca2+ is required for the binding of myosin to f-actin. Myosin and f-actin are randomly distributed in the sarcomere. Physical pulling of the actin microfilament requires three distinct conformation changes on myosin that involve ATP binding, ATP hydrolysis and sequential release of inorganic phosphate and ADP. Myosin-mediated contracted is ubiquitous across all cell types. O O O O
- Which tRNA is about to be ejected from the "E" site of this ribosome? A tRNA for Pro tRNA for Ser tRNA for Glu tRNA for Met tRNA for Leu tRNA for Gly U A G Gly Gly A U Pro Met Glu Ser Leu A C Leu & G A U U A UDuring ______, the amino acid connected to the tRNAat the P site forms a peptide bond with the amino acidconnected to the tRNA at the A site.The tRNA anticodon sequence 3’GAG 5’ is charged with the amino acid leucine. This anticodon may pair with both 5’ CUC 3’ and 5’ CUU 3’. Which of the following is consistent with this phenomenon? 1. The information provided is not accurate since only the 5’ CUC 3’ codon can complementary base pair with the 3’ GAG 5’ anticodon 2. This feature allows for the genetic code to be degenerate 3. This feature allows for the genetic code to be overlapping 4. This feature is commonly associated with tautomeric shifts 5. This feature causes a change in the encoded amino acid
- For each of the following items, fill in either the DNA strand, the MRNA codons, the tRNA anticodons, or the amino acid sequence that have been left blank. If several sequences might work, choose only one. Furthermore, circle the start and the stop codons of each mRNA sequence. 1. DNA (3'-5') ACG TAC GGC CGG TTA AAG CAT ACT TTC TTG MRNA TRNA Amino Acid 2. DNA (3'-5') MRNA AUG ACU AGC UGG GGG UAU UAC UUU UAG AAA TRNA Amino Acid 3. DNA (3'-5') MRNA TRNA GCU CCU UAC CAC ССС CGU AUG GCU GGG AUC Activate Go to Sett Amino AcidA tRNA anticodon is 5ʹ GCU 3ʹ. What codon can it bind to and what amino acid should it carry? There are more than 1 answers. 5' AGA 3' arg 5' AGU 3' ser 5' CGA 3' arg (was not the answer) 5' UCC 3' ser 5' AGC 3' seridentify start/end site, which amino acid will be on the tRNA that is the first to bind to the A site of ribosome, anticodon on the tRNA in the P site of the ribosome when release factor bings to A site, and what amino acid sequence of the protein that will be formed from mRNA? Here is the mRNA sequence:5'GUUUCCCGUAUACAUGCGUGCCGGGGGCCCGUUACCAGGCCUCAUUAUUGGAUAACGGAAAAAAAAAAAAA3'