Which process necessarily involves recognition of specific RNA sequences? Select one: a. Intron removal by mRNA...
Which process necessarily involves recognition of specific RNA sequences?
Select one:
a. Intron removal by mRNA splicing.
b. Association of the ribosome 30s subunit with mRNA for the initiation of translation.
c. Termination of translation.
d. All of these
e. None of these
Homework Answers
d. All of these
All of these processes involve the recognition of specific RNA
sequences:
- Intron removal by splicing involves the recognition of acceptor and donor sites.
- The association of the 30s subunit with the mRNA involves the Shine-Dalgarno (SD) sequence upstream of the translation start site.
- Termination of translation is initiated when the Ribosome encounters the stop codon.
Add Answer to:
Which process necessarily involves recognition of specific RNA
sequences?
Select one:
a. Intron removal by mRNA...
Which is incorrect about the initiation of translation? Select one: a. 30S subunit binds to mRNA...
Which is incorrect about the initiation of translation? Select one: a. 30S subunit binds to mRNA first by recognizing the Shine-Dalgarno sequence on mRNA. b. In bacteria, most of the starting Met codon is specifically for N-formyl methionine (fMet). c. After fMet-loaded tRNA is bound, the 50S subunit binds to make the complete translational complex. d. A complete ribosome complex migrates on an mRNA until it finds the Shine-Dalgarno sequence. e. All of these
In Bacteria, translation of nascent RNA transcripts is often initiated before transcription is terminated. When this...
In Bacteria, translation of nascent RNA transcripts is often initiated before transcription is terminated. When this occurs: Select one: a. RNA is transcribed 3'=>5' and amino acids are added to the carboxy terminus of the growing polypeptide as the ribosome moves 5' => 3' along the mRNA b. RNA is transcribed 5'->3' and amino acids are added to the amino terminus of the growing polypeptide as the ribosome moves 3'=> 5' along the mRNA c. RNA is transcribed 3'=> 5'...
Which is the most inappropriate description of a ribosome? Select one: a. It consists of proteins...
Which is the most inappropriate description of a ribosome? Select one: a. It consists of proteins and rRNAs. b. It has pockets for at three tRNA bindings. c. For initiation, the 30S subunit binds to mRNA before the 50S subunit binds. d. For its translational function, ribosome needs other protein factors. e. Ribosomes carry out translation at consumption of the energy from ATP.
What is the function of the 3' poly-A sequence in eukaryotic mRNA? Select one: O a....
What is the function of the 3' poly-A sequence in eukaryotic mRNA? Select one: O a. Intron splicing signal. O b. Initial attachment site for ribosomes. O c. Translation termination. O d. Protection from cytosolic enzymes. What is the function of the 5' cap in eukaryotic mRNA? Select one: O a. Polyadenylation of the 5' end of the mRNA. b. Intron splicing signal. O c. It must be on the mRNA in order for the mature mRNA to be exported...
Compared to bacterial mRNA, eukaryotic mRNA needs an additional maturation processing by which ____ is removed...
Compared to bacterial mRNA, eukaryotic mRNA needs an additional maturation processing by which ____ is removed such that the resulting mRNA contains only exons. This process is called RNA ___. Select one: a. capping ;;; reverse transcription b. intron ;;; reverse transcription c. transposon ;;; splicing d. intron ;;; splicing e. transposon ;;; recombination
Which of the following is not an RNA sequence that is recognized by the spliceosome during...
Which of the following is not an RNA sequence that is recognized by the spliceosome during the process of splicing? O A. The 5' splice site OB. The 3' splice site o C. The promoter OD. The branch point O E. All of the above are recognized by the spliceosome What is the role of the Shine-Dalgarno sequence near the 5' end of prokaryotic mRNAS? O A. It is the sequence recognized by IF-2 OB. It establishes the position of...
SЬКІЛУ sequences are only relevant in transcription d. hairpin formation at the termination site. $ interaction...
SЬКІЛУ sequences are only relevant in transcription d. hairpin formation at the termination site. $ interaction with the 16S rRNA to correctly pos AUG start codon in the A position of the ribosome; 38. In which order do the following steps occur to initiate translation in bacteria: A. F1 and 1F3 bind the 305 subunit to prevent premature binding to the 50s subunit. B. 1F2, in cooperation with GTP, delivers fMet-tRNAf to the mRNA to form the 30s initiation complex...
QUESTION 15 RNA modification involves: O A. splicing B. 3' poly A tailing O C. 5'...
QUESTION 15 RNA modification involves: O A. splicing B. 3' poly A tailing O C. 5' capping O D. all of the above QUESTION 16 What is the contribution or purpose of 5' capping? o It helps the mRNA exit the nucleus. o promotes efficient splicing. o It helps in the initiation of translation o all of the above QUESTION 17 What is translation? O process of making RNA O process of making DNA O process of making protein O...
37. Compared to bacterial mRNA, eukaryotic mRNA needs an additional maturation processing by which ___ is...
37. Compared to bacterial mRNA, eukaryotic mRNA needs an additional maturation processing by which ___ is removed such that the resulting mRNA contains only exons. This process is called RNA Select one: a. capping reverse transcription b.intron reverse transcription c. transposonsplicing d. intron splicing e. transposons recombination
Which of the following is NOT a difference between DNA and RNA synthesis? a. the nature...
Which of the following is NOT a difference between DNA and RNA synthesis? a. the nature of the nucleotide used b. the direction of synthesis c. the presence of discrete termination signals d. the simultaneous coding from both strands of DNA. During transcription, separation of the DNA strands is necessary. This involves: a. During transcription, separation of the DNA strands is necessary. This involves: b. separation of long segments of the DNA corresponding to genes. c. separation in only a...
In Bacteria, translation of nascent RNA transcripts is often initiated before transcription is terminated. When this occurs: Select one: a. RNA is transcribed 3'=>5' and amino acids are added to the carboxy terminus of the growing polypeptide as the ribosome moves 5' => 3' along the mRNA b. RNA is transcribed 5'->3' and amino acids are added to the amino terminus of the growing polypeptide as the ribosome moves 3'=> 5' along the mRNA c. RNA is transcribed 3'=> 5'...
What is the function of the 3' poly-A sequence in eukaryotic mRNA? Select one: O a. Intron splicing signal. O b. Initial attachment site for ribosomes. O c. Translation termination. O d. Protection from cytosolic enzymes. What is the function of the 5' cap in eukaryotic mRNA? Select one: O a. Polyadenylation of the 5' end of the mRNA. b. Intron splicing signal. O c. It must be on the mRNA in order for the mature mRNA to be exported...
Which of the following is not an RNA sequence that is recognized by the spliceosome during the process of splicing? O A. The 5' splice site OB. The 3' splice site o C. The promoter OD. The branch point O E. All of the above are recognized by the spliceosome What is the role of the Shine-Dalgarno sequence near the 5' end of prokaryotic mRNAS? O A. It is the sequence recognized by IF-2 OB. It establishes the position of...
SЬКІЛУ sequences are only relevant in transcription d. hairpin formation at the termination site. $ interaction with the 16S rRNA to correctly pos AUG start codon in the A position of the ribosome; 38. In which order do the following steps occur to initiate translation in bacteria: A. F1 and 1F3 bind the 305 subunit to prevent premature binding to the 50s subunit. B. 1F2, in cooperation with GTP, delivers fMet-tRNAf to the mRNA to form the 30s initiation complex...
QUESTION 15 RNA modification involves: O A. splicing B. 3' poly A tailing O C. 5' capping O D. all of the above QUESTION 16 What is the contribution or purpose of 5' capping? o It helps the mRNA exit the nucleus. o promotes efficient splicing. o It helps in the initiation of translation o all of the above QUESTION 17 What is translation? O process of making RNA O process of making DNA O process of making protein O...
37. Compared to bacterial mRNA, eukaryotic mRNA needs an additional maturation processing by which ___ is removed such that the resulting mRNA contains only exons. This process is called RNA Select one: a. capping reverse transcription b.intron reverse transcription c. transposonsplicing d. intron splicing e. transposons recombination
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