The peptide bond formation a. occurs when two tRNAs are located inside the P and A site in the ribosome b. occurs when the anticodon recognizes the codon c. occurs when two tRNAs come in close proximity in the cell d. occurs with the help of the tRNAase enzyme

The peptide bond formation a. occurs when two tRNAs are located inside the P and A site in the ribosome b. occurs when the anticodon recognizes the codon c. occurs when two tRNAs come in close proximity in the cell d. occurs with the help of the tRNAase enzyme

Name: The peptide bond formationa. occurs when two tRNAs are located inside
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Description: The peptide bond formationa. occurs when two tRNAs are located inside the P and A site in the ribosomeb. occurs when the anticodon recognizes the codonc. occurs when two tRNAs come in close proximity in the celld. occurs with the help of the tRNAase

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

Section: Chapter Questions

Problem 11TYU

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A certain mRNA strand has the following nucleotide sequence: 5AUGACGUAUAACUUU3 What is the anticodon for each codon? What is the amino acid sequence of the polypeptide? (Use Figure 13-5 to help answer this question.) Figure 13-5 The genetic code The genetic code specifies all possible combinations of the three bases that compose codons in mRNA. Of the 64 possible codons, 61 specify amino acids (see Figure 3-17 for an explanation of abbreviations). The codon AUG specifies the amino acid methionine and also signals the ribosome to initiate translation (start). Three codonsUAA, UGA, and UAGdo not specify amino acids; they terminate polypeptide synthesis (stop).
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
Figure 15.16 Many antibiotics inhibit bacterial protein synthesis. For example, tetracycline blocks the A site on the bacterial ribosome, and chloramphenicol blocks peptidyl transfer. What specific effect would you expect each of these antibiotics to have on protein synthesis? Tetracycline would directly affect: tRNA binding to the ribosome ribosome assembly growth of the protein chain Chloramphenicol would directly affect tRNA binding to the ribosome ribosome assembly growth of the protein chain
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:
Fill in the blanks of the sentence(s) below. The addition of amino acids to a growing polypeptide chain occurs by a new TRNA with amino acid moving into the site of the ribosome. a ribozyme breaks the growing polypeptide off the TRNA in the the ribosome and adds it to the amino acid on the tRNA in the site of site. The whole ribosome then moves Process continues until a stop codon is reached. Select one: a. P site, peptidyl transferase, A site, P site, one codon down (translocation) b. A site, peptidyl transferase, P site, A site, one codon down (translocation) C. A site, peptidyl transferase, P site, E site, three codon down (translocation) d. A site, amino acyl TRNA synthetase, P site, A site, one codon down (translocation)
EF-tu binds to the 3'end of charged tRNAs can only bind a charged tRNA when it is associated with a GTP delivers the charged tRNA to the A site of the ribosome. all the above
Charging tRNAs entail: O All of these choices are correct. O Proper recognition between the anticodon and codon. Forming an ester linkage at the tRNA's 3'OH with the amino acid. ATP. O The use of aminoacyl tRNA synthases.
Put the following events involved with protein synthesis in order. Move first event to the top of the list and finishe with the last event. The anticodon of the second tRNA binds at the A site; peptidyl transferase catalyzes a reaction to join the two amino acids together. The stop codon is reached on the mRNA; no tRNA binds, the ribosomes and polypeptide are released. Ribonucleotides are added by RNA polymerase creating a single strand of mRNA. ⠀ The DNA double helix is unwound beginning at the promoter sequence. A 5' cap and 3' poly A tail are added to the mRNA The polypeptide undergoes folding and further modifications, if needed. The ribosome shifts one codon down, opening up its A site. The next tRNA binds. The larger ribosomal unit clamps down on the tRNA carrying MET. The mRNA leaves the nucleus. The 5' cap binds to the small ribosomal unit, leading to the exposure of the start codon; the first tRNA carrying MET binds. :: #10 #
Order the events of translational elongation. Follow the path of one tRNA through elongation. The TRNA is uncharged. The tRNA moves to the P site. The tRNA exits the ribosome. The TRNA enters the A site. The tRNA enters the E site. Peptidyl synthase forms a peptide bond between amino acids.
Amino acid sequence: Look at the m-RNA message below: PUT A NUMBER under each of the t-RNA/amino acid complexes to show the correct sequence that they would attach as this message is read. phenylalanine leucine lysine methionine AUGUUC A A ACUG UUU UA MRNA WHAT IS THE AMINO ACID SEQUENCE FOR THE PROTEIN THAT WOULD BE PRODUCED FROM THIS MESSAGE? MATCH THE PARTS IN THE DIAGRAM WITH THE CORRECT LABEL. RIBOSOME в Asparagine D. NUCLEUS Methionine MESSENGER RNA ANTICODON E AMINO ACID CODON TRANSFER RNA
What determines the amino acid that is attached to an uncharged tRNA? Its peptidyl transferase. It is determined by the anticodon and codon and third-base wobble. The appropriate site on the ribosome. Its aminoacy TRNA synthetase, OV. The small ribosomal subunit. Ov.
Table 8.2: Transcription and translation of the first 7 codons in the B-globin chain of hemoglobin. Normal Sequence Mutated Sequence DNA DNA amino acid DNA DNA amino Codon MRNA Codon MRNA coding template strand coding template strand strand acid code code strand sequence sequence G 1 1 G G C 2 A 2 A 3 G G A A 4 4 C G A G G G G 7 A 7 A G G Shape of RBC Shape of RBC 23 3.