Homework Answers
1. Initiation
2. Elongation
3. Termination
4. True
5. Ribosome
6. False ( Eukaryotes have 80S ribosome, with 60S and 40S sub-units.)
7. 3 bases ( codon is always a triplet)
8. Phenylalanine is coded by UUU
9. Methionine by AUG
10. Stop codons
11. Small subunit
12. Large subunit ( done by peptidyl transferase, located in large sub unit)
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Please use the drop down menu of answer choices to answer all
questions. Reference both picturea...
there are multiple answers correct MS Which of the following events occur during prokaryotic translation termination?...
there are multiple answers correct
MS Which of the following events occur during prokaryotic translation termination? The small ribosomal subunit binds with a specific tRNA to the mRNA and scans for a start codon. A tRNA recognizes the stop codon and the ribosome dissociates from the mRNA A protein recognizes the stop codon and the ribosome dissociates from the mRNA. A tRNA binds a codon and the ribosome adds amino acids from each tRNA to the polypeptide chain. Codons in...
Place the following steps of TRANSLATION in the correct order for EUKARYOTES. The ribosome reaches a...
Place the following steps of TRANSLATION in the correct order for EUKARYOTES. The ribosome reaches a stop codon. A release factor binds and causes the release of the new polypeptide, along with the mRNA. The ribosome dissociates. v Acharged tRNA with a matching anticodon binds the mRNA codon in the A site. ✓ The ribosome moves exactly 3 nucleotides toward the 3* end of the mRNA. The small ribosomal subunit uses rRNA to bind to the Kozak sequence, which places...
Please put the following steps of prokaryotic translation in order from beginning to end. The first...
Please put the following steps of prokaryotic translation in
order from beginning to end. The first step should be denoted a
"1", the second step a "2", an so on. If a step is incorrect, do
not assign it a number.
Answers below
[Choose ] Methionine is added as the final amino acid because of its association with the stop codon Initiator tRNA binds to A site mRNA binds to both ribosomal subunits simultaneously Peptidyl transferase is used to build...
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'...
15. Translation (RNA protein) has three main stages: initiation, elongation, and termination. a. Initiation occurs when...
15. Translation (RNA protein) has three main stages: initiation, elongation, and termination. a. Initiation occurs when the small ___________________ subunit binds to the ____ end of mRNA and is then joined by the large _________________ subunit (which has three sites called the A, P, and E sites). Once the complex is formed, the _______________ begins to read the mRNA in a ____ to ____ direction. When it reaches the first start codon (_________) a tRNA carrying the amino acid ______________________...
Place the events of Translation in bacteria into the correct order. The large ribosomal subunit associates...
Place the events of Translation in bacteria into the correct order. The large ribosomal subunit associates with the small subunit and mRNA. The ribosome shifts along the mRNA in the 5' to 3' direction, moving the tRNA from the aminoacyl (A) site into the peptidyl (P) site The tRNA in the peptidyl (P) site shifts to the E site and leaves the ribosome. The next charged tRNA enters the open aminoacyl (A) site of the ribosome Aminoacyltransferase attaches the amino...
Place the events of Translation in bacteria into the correct order. The large ribosomal subunit associates...
Place the events of Translation in bacteria into the correct order. The large ribosomal subunit associates with the small subunit and mRNA. The ribosome shifts along the mRNA in the 5' to 3' direction, moving the tRNA from the aminoacyl (A) site into the peptidyl (P) site. The tRNA in the peptidyl (P) site shifts to the E site and leaves the ribosome. The next charged tRNA enters the open aminoacyl (A site of the ribosome. Aminoacyltransferase attaches the amino...
Please explain Why is a cap added to MRNA, but not to 1RNA or RRNA? Each...
Please explain
Why is a cap added to MRNA, but not to 1RNA or RRNA? Each of the three types of RNA are transcribed by different RNA polymerases. Only RNA polymerase II, involved in mRNA synthesis, contains a domain capable of interacting with enzymes that form the cap. Transcription and processing of MRNA occur in the nucleus, where cap binding proteins are found. These proteins, which add and modify the cap, are not found in the cytoplasm, where tRNA and...
The image below is a mRNA message. Please draw a ribosome translating the message below. Draw...
The image below is a mRNA message.
Please draw a ribosome translating the message below. Draw the
ribosome with P-site ON CODON 3. In your image draw the ribosome
immediately prior to it translocating to the next codon.
It is important to draw tRNAs, amino
acids, etc in the correct location. Do not forget to label all of
the following: A-site (and tRNA), P-site (and tRNA), E-site (and
tRNA), large subunit, small subunit, all amino acids in their
correct positions...
Table 1B: Protein Synthesis with 2nd DNA Template Strand DNA Codons in the 2nd Template Strand...
Table 1B: Protein Synthesis with 2nd DNA Template Strand DNA Codons in the 2nd Template Strand mRNA Sequence (List codons) Amino Acids in the Protein **Use the Genetic Code Chart on page 217 to determine the amino acids that will be placed in the protein Questions: 19. The three letter "code words of DNA and RNA that specify amino acids are called: A. codons B. promoters C. Introns D. anticodons 20. Proteins are composed of building blocks called: A. fatty...
there are multiple answers correct
MS Which of the following events occur during prokaryotic translation termination? The small ribosomal subunit binds with a specific tRNA to the mRNA and scans for a start codon. A tRNA recognizes the stop codon and the ribosome dissociates from the mRNA A protein recognizes the stop codon and the ribosome dissociates from the mRNA. A tRNA binds a codon and the ribosome adds amino acids from each tRNA to the polypeptide chain. Codons in...
Place the following steps of TRANSLATION in the correct order for EUKARYOTES. The ribosome reaches a stop codon. A release factor binds and causes the release of the new polypeptide, along with the mRNA. The ribosome dissociates. v Acharged tRNA with a matching anticodon binds the mRNA codon in the A site. ✓ The ribosome moves exactly 3 nucleotides toward the 3* end of the mRNA. The small ribosomal subunit uses rRNA to bind to the Kozak sequence, which places...
Please put the following steps of prokaryotic translation in
order from beginning to end. The first step should be denoted a
"1", the second step a "2", an so on. If a step is incorrect, do
not assign it a number.
Answers below
[Choose ] Methionine is added as the final amino acid because of its association with the stop codon Initiator tRNA binds to A site mRNA binds to both ribosomal subunits simultaneously Peptidyl transferase is used to build...
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'...
Place the events of Translation in bacteria into the correct order. The large ribosomal subunit associates with the small subunit and mRNA. The ribosome shifts along the mRNA in the 5' to 3' direction, moving the tRNA from the aminoacyl (A) site into the peptidyl (P) site The tRNA in the peptidyl (P) site shifts to the E site and leaves the ribosome. The next charged tRNA enters the open aminoacyl (A) site of the ribosome Aminoacyltransferase attaches the amino...
Place the events of Translation in bacteria into the correct order. The large ribosomal subunit associates with the small subunit and mRNA. The ribosome shifts along the mRNA in the 5' to 3' direction, moving the tRNA from the aminoacyl (A) site into the peptidyl (P) site. The tRNA in the peptidyl (P) site shifts to the E site and leaves the ribosome. The next charged tRNA enters the open aminoacyl (A site of the ribosome. Aminoacyltransferase attaches the amino...
Please explain
Why is a cap added to MRNA, but not to 1RNA or RRNA? Each of the three types of RNA are transcribed by different RNA polymerases. Only RNA polymerase II, involved in mRNA synthesis, contains a domain capable of interacting with enzymes that form the cap. Transcription and processing of MRNA occur in the nucleus, where cap binding proteins are found. These proteins, which add and modify the cap, are not found in the cytoplasm, where tRNA and...
The image below is a mRNA message.
Please draw a ribosome translating the message below. Draw the
ribosome with P-site ON CODON 3. In your image draw the ribosome
immediately prior to it translocating to the next codon.
It is important to draw tRNAs, amino
acids, etc in the correct location. Do not forget to label all of
the following: A-site (and tRNA), P-site (and tRNA), E-site (and
tRNA), large subunit, small subunit, all amino acids in their
correct positions...
Table 1B: Protein Synthesis with 2nd DNA Template Strand DNA Codons in the 2nd Template Strand mRNA Sequence (List codons) Amino Acids in the Protein **Use the Genetic Code Chart on page 217 to determine the amino acids that will be placed in the protein Questions: 19. The three letter "code words of DNA and RNA that specify amino acids are called: A. codons B. promoters C. Introns D. anticodons 20. Proteins are composed of building blocks called: A. fatty...
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