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 yetB. TRNAS are small RNAS that regulate gene expressionC. TRNAS bring amino acids to the ribosome for addition to the growing polypeptide chainD. tRNA is a major structural component of the ribosome

INTRODUCTION tRNA tRNA is transfer RNA molecule that can decode the mRNA and helps in the production…

Choose the correct function of tRNA. O A, TRNAS are an intermediate stage of RNA processing where introns have been removed but polyadenylation has not occurred yet O B. tRNAS are small RNAS that regulate gene expression O C ERNAS bring amino acids to the ribosome for addition to the growing polypeptide chain O D. RNA is a major structural component of the ribosome

Choose the correct function of tRNA. O A, TRNAS are an intermediate stage of RNA processing where introns have been removed but polyadenylation has not occurred yet O B. tRNAS are small RNAS that regulate gene expression O C ERNAS bring amino acids to the ribosome for addition to the growing polypeptide chain O D. RNA is a major structural component of the ribosome

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter9: Gene Expression And Gene Regulation

Section: Chapter Questions

Problem 17QP: Given the following mRNA, write the double-stranded DNA segment that served as the template....

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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:
A particular tRNA is mutated so that the amino acid attachment cannot bind with the aminoacyl-tRNA synthase. What happens when an mRNA transcript contains the codon for this tRNA? A. The tRNA will not bind to this codon. B. Translation stops and the protein is released. C The wrong tRNA is added to the protein chain. D. Translation stops and the protein remains bound to the ribosome.
Which statement BEST DESCRIBES the tRNA structure? A. Amino acids bind to the 5′ end of the tRNA molecule. B. When a tRNA has an amino acid attached to it, it is considered to be a charged tRNA C. Synthetases are not important to tRNA D. Amino acids are linked to tRNAs with hydrogen bonds
Which choice best fits the blank? Refer to picture. The ribosome moves along the mRNA strand. In panels b, c, and d, new tRNAs carrying ___________. match up with the codons of the mRNA strand. After each tRNA locks into place, a peptide bond forms between the amino acid the tRNA is carrying and the amino acid already there. This process repeats until the end of the sequence is reached. A. ProteinsB. NucleotidesC. Amino Acids
Which of the following best describes tRNA? a. Provides the instructions for the amino acid sequence of a polypeptide b. Complexes with ribosomal proteins to form ribosomes c. Used for eukaryotic RNA processing d. Transports amino acids to ribosomes during translation
Number the following steps of protein synthesis in order in which they occur, starting with 1 and ending with 9. a. ____ the stop codon is reached, and the polypeptide is released b.____ the small ribosomal subunit finds the start codon, and the large ribosomal subunit joins. c.____ the end of the gene is reached, and the pre-mRNA is released and then edited. d. ____ The transcription factor bonds the promoter. e. ____ the protein is folded and modified to become functional. f. ____ RNA polymerase builds the mRNA transcript. g. ____ mRNA and initiator tRNA bind the small ribosomal subunit. h. ____ new tRNAs are brought into the A site successively, and the peptide chain of the tRNA in the P site is joined to the amino acid of the tRNA in the A site. i. ____ mRNA exits the nucleus via a nuclear pore.
The peptide bond formation is catalyzed by a. the aminoacyl tRNA synthetase b. tRNA c. the small ribosomal subunit d. the large ribosomal subunit
What site on the ribosome is the place where a tRNA molecule leaves the ribosome after attaching its amino acid to the growing chain of amino acids? a. E site b. P site c. A site d. the small ribosomal subunit Please respond as soon as possible
Number the following steps of protein synthesis in the order in which they occur, starting with 1 and ending with 9.a. _____ The stop codon is reached, and the polypeptide is released.b. _____ The small ribosomal subunit finds the start codon, and the large ribosomal subunit joins.c. _____ The end of the gene is reached, and the pre-mRNA is released and then edited.d. _____ The transcription factor binds the promoter.e. _____ The protein is folded and modified to become functional.f. _____ RNA polymerase builds the mRNA transcript.g. _____ mRNA and initiator tRNA bind the small ribosomal subunit.h. _____ New tRNA molecules are brought into the A site successively, and the peptide chain of the tRNA in the P site is joined to the amino acid of the tRNA in the A site.i. _____ mRNA exits the nucleus via a nuclear pore.
A release factor is referred to as a “molecular mimic” because its structure is similar to a. a ribosome. b. an mRNA. c. a tRNA. d. an elongation factor.
The codon UUU in an mRNA molecule which results in phenylalanine being inserted as the protein is made. Which will be a characteristic of this codon? a. The tRNA molecule that binds to the UUU codon must have an AAA anticodon. Nde ba e2? b. UUU could code for both phenylalanine and alanine during translation. c. The aminoacyl-tRNA synthetase for phenylalanine binds only the UUU codon. d. UUU is probably only one of several codons that code for phenylalanine.
___________ forms hydrogen bonds with its own bases to form a clover leaf/ key like structure (a) mRNA (b) tRNA (c) rRNA (d) amino-acyl tRNA synthetase (e) ATP synthetase