During the peptidyl transfer reaction, the polypeptide, which is attached to a tRNA in the_____________ , becomes bound via_____________ to an amino acid attached to a tRNA in the______________ . a. A site, several hydrogen bonds, P site b. A site, a peptide bond, P site c. P site, a peptide bond, A site d. P site, several hydrogen bonds, A site

During the peptidyl transfer reaction, the polypeptide, which is attached to a tRNA in the_______ , becomes bound via_ to an amino acid attached to a tRNA in the________ . a. A site, several hydrogen bonds, P site b. A site, a peptide bond, P site c. P site, a peptide bond, A site d. P site, several hydrogen bonds, A site

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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The portion in the tRNA that is complementary with the mRNA when the aminoacyl-tRNA reaches the A site of the ribosome is the ____________. (No points for incorrect spelling)
An enzyme known as ___________________ attaches an amino acid to the_________________ of a tRNA, thereby producing_______________ . a. aminoacyl-tRNA synthetase, anticodon, a charged tRNA b. aminoacyl-tRNA synthetase, 3′ single-stranded region of the acceptor stem, a charged tRNA c. polynucleotide phosphorylase, anticodon, a charged tRNA d. polynucleotide phosphorylase, anticodon, an aminoacyl-tRNA
A particular triplet of bases in the anticodon strand of the tRNA is 5' - AGU - 3'. A. The corresponding codon for the mRNA is _________ (write 5’ --> 3). B. If this codon is translated, the codon specifies the addition of which amino acid? _______________________
During the peptidyl transfer reaction, the polypeptide, which is attached to a tRNA in the __________ becomes bound via ________ to an amino acid attached to a tRNA in the __________.a. A site, several hydrogen bonds, P siteb. A site, a peptide bond, P sitec. P site, a peptide bond, A sited. P site, several hydrogen bonds, A site
The primary function of a tRNA is to carry amino acids on its ____________ site to a ribosome complex with the help of ____________ Select one: a. 5’ acceptor, endonuclease b. 5’ acceptor, polymerase c. 3’ acceptor, topoisomerase d. 3’ acceptor, amino-acyl synthetase
tRNA is released from the ribosome at the ________ site. P A R E
Choose the answer that has these events of protein synthesis in the proper sequence. 1. A TRNA binds to the A site. 2. A peptide bond forms between the new amino acid and the growing polypeptide chain. 3. TRNA vacates E site as the next tRNA binds to the A site. 4. Both ribosomal subunits have bound, and the first TRNA is in the P site. 5. TRNA translocates to the P site, as upstream tRNA translocates to E site. O 4, 1, 3, 2, 5 ) 1, 3, 2, 4, 5 4, 1, 2, 5, 3 2, 4, 5, 1, 3 5, 4, 3, 2, 1
During ______, 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.
Choose the correct function of tRNA. A. TRNAS are an intermediate stage of RNA processing where introns have been removed but polyadenylation has not occurred yet B. TRNAS are small RNAS that regulate gene expression C. TRNAS bring amino acids to the ribosome for addition to the growing polypeptide chain D. tRNA is a major structural component of the ribosome
A small section of bacterial enzyme has the amino acid sequence threonine, valine, glycine, and methionine. The tRNA anticodons for the amino acid sequence shown above is Select one: a. UGU CAU CCC UAG b. UGA CAG CCA ACU c. UGC CAA CCU UAC d. ACC GUG GGC AUG
The following picture drawing represents co-translation in E. coli. Answer the questions below the drawing. A. Is the letter A nearer the 5' or the 3' end of the molecule? B. The anticodon in B codes for reads 3’ CCU 5’. What amino acid does this tRNA carry? C. Is the letter C nearer the 5' or the 3' end of the tRNA molecule?
Choose the answer that has these events of protein synthesis in the proper sequence. (Note some steps may be missing) A peptide bond forms A small ribosomal subunit binds with the mRNA. The tRNA leaves the P site, and the ribosome translocates to the P site. The Methionine initiator-tRNA binds to the start codon. An incoming amino-acyl tRNA binds to the A site The large ribosomal subunit binds the small subunit Group of answer choices A 4, 1, 2, 5, 6, 3 B 2, 4, 6, 5, 1, 3 C 1, 3, 2, 4, 5, 6 D 4, 1, 3, 2, 5, 6 E 5, 4, 3, 2, 6, 1