Homework Answers
The 5' capping, 3' polyadenylation, RNA splicing are the first modification that happens to nRNA/pre-mRNA and it is added right after transcription begins by enzymes bound to the RNA Pol II CTD. This modification is immediately bound by a protein complex called mRNP in the nucleus, which is required for nuclear export. Before export, splicing must be completed, which is a process catalyzed by a large complex of proteins and snRNA called the spliceosome which catalyzes cleavage at splice sites.
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32. Fill in the blank (3pts) The is the first modification that happens to nRNA/pre-mRNA and...
in the Blank. Read the entire excerpt below before answering. Then, go back and provide the...
in the Blank. Read the entire excerpt below before answering. Then, go back and provide the term or phrase that best mpletes the sentence using the context provided. (1 pt each = 6 pts) 44)In order for eukaryotic mRNAs to leave the nucleus they must be processed. The first step to occur in this process is the addition of a 2. This uses a guanine nucleotide that has been modified by a {group. As the pre-mRNA leaves the RNA polymerase,...
can you guys please give me the correct answers and explain why? 30. Which of the...
can you guys please give me the correct answers and explain
why?
30. Which of the following statements reg wing statements regarding the Alpha subunit of RNA polymerase is INCORRECT? A. Can bind an UP element B. Can interact with positive activator proteins C. Binds to the Beta and Beta' subunits D. Has distinct N-terminal and C-terminal domains E. Has 3' to 5' exonuclease activity 31. Which of the following statements regarding the mediator complex is arding the mediator complex...
Fill-in-the blank (36 pts - each answer is worth 1 pts): For each of the following...
Fill-in-the blank (36 pts - each answer is worth 1 pts): For each of the following statements, indicate with a P if the statement applies only to prokaryotes, an E if the statement applies only to eukaryotes, and an E and P if the statement applies to both eukaryotes and prokaryotes. (3pts) The 5' end of the mature mRNA begins with a triphosphate. The primary mRNA transcript is inactive. Termination of transcription requires the protein pfactor. 2. Circle the fatty...
Below is a series of events involved in the mechanism of forming a retrotransposon. Place these...
Below is a series of events involved in the mechanism of forming a retrotransposon. Place these steps in the correct order 1. the DNA copy is made double-stranded 2. DNA of the transposable element is transcribed 3. The DNA of the transposable element is integrated into a target DNA site 4. The RNA is reverse transcribed by reverse transcriptase, producing a complementary DNA 4,2,3,1 3,2,4,1 2,4,1,3 4,2,1,3 1,2,3,4 What is the function of the poly(A) tail on most mRNAs To...
1 pts DI Question 6 What region of this molecule shown would bind to mRNA during...
1 pts DI Question 6 What region of this molecule shown would bind to mRNA during translation? 3' A-OH 5' A Cacceptor stem G C G- U TuC loop D-loop C U GACAC m'A GGAGAGm m' G C-G A-U variable loop Anticodon loop Cm U A Gm A A The 5' end The anticodon loop The 3 end The variable loop The acceptor stem D Question 7 1 pts What is synthesized during transcription? O a strand of tRNA O...
25. What binds to a stop codon on a mRNA during translation? a. transcription factor c....
25. What binds to a stop codon on a mRNA during translation? a. transcription factor c. termination factor b. tRNA d. transcription initiator 26. What is typically attached to the acceptor end of a tRNA? a. a protein b. an amino acid C a ribosome d. a nucleosome 27. During mRNA processing, what is put on the 3' end of a primary mRNA transcript? a. a poly-A tail b. a cap d. an intron c. an exon 28. Which of...
Answer the questions: Question 1 Transcription begins at the..... a. operon o b. repressor c. genome...
Answer the questions:
Question 1 Transcription begins at the..... a. operon o b. repressor c. genome 17d. promoter Question 2 0.5 points Save RNA is synthesized on a DNA template in a process called replication, DNA polymerase translation, RNA polymerase transcription, RNA polymerise t ranscription, DNA polymerase Question 3 Which eukaryotic RNA polymerase makes tRNA's? a RNA polymerase IIIb. Any of these RNA polymerase I od RNA polymerase II A Moving to another question will save this response. Question 4...
In prokaryotes the consensus sequence begins. is located about 10 bases upstream from the initiation site....
In prokaryotes the consensus sequence begins. is located about 10 bases upstream from the initiation site. It has the and is responsible for identifying the precise nucleotide at which TATA box, TATAAA, transcription Pribnow box, TATAAT, transcription 0 0 0 0 0 Pribnow box, TATAAT, translation Pribnow bow, TTGACA, translation None of the answers are correct Ribosomes are made of: 1. rRNA 2. proteins 3. URNA 3 2 Both 1 and 2 are correct All answers are correct 1 Once...
1. Which of the following statements about the flow of genetic information is true? a. Proteins...
1. Which of the following statements about the flow of genetic information is true? a. Proteins encode information that is used to produce other proteins of the same amino acid sequence. b. RNA encodes information that is translated into DNA, and DNA encodes information that is translated into proteins. c. Proteins encode information that can be translated into RNA, and RNA encodes information that can be transcribed into DNA. d. DNA encodes information that is translated into RNA, and RNA...
DNA DNA Replication: ONA Because DNA Is the ge m Tumes and heart e ine in...
DNA DNA Replication: ONA Because DNA Is the ge m Tumes and heart e ine in process called DNA curs in the nucleus of s acest FS Parent strand Parent strand Newly replicated DNA Newly replicated DNA- SA0 Daughter DNA molecule Daughter DNA molecule Figure 8.2: Overview of DNA replication and illustration of complementary base pairing. DNA must replicate before cell division so that each new daughter cell receives an exact copy of the parent DNA. 1. Replication begins when...
in the Blank. Read the entire excerpt below before answering. Then, go back and provide the term or phrase that best mpletes the sentence using the context provided. (1 pt each = 6 pts) 44)In order for eukaryotic mRNAs to leave the nucleus they must be processed. The first step to occur in this process is the addition of a 2. This uses a guanine nucleotide that has been modified by a {group. As the pre-mRNA leaves the RNA polymerase,...
can you guys please give me the correct answers and explain
why?
30. Which of the following statements reg wing statements regarding the Alpha subunit of RNA polymerase is INCORRECT? A. Can bind an UP element B. Can interact with positive activator proteins C. Binds to the Beta and Beta' subunits D. Has distinct N-terminal and C-terminal domains E. Has 3' to 5' exonuclease activity 31. Which of the following statements regarding the mediator complex is arding the mediator complex...
Fill-in-the blank (36 pts - each answer is worth 1 pts): For each of the following statements, indicate with a P if the statement applies only to prokaryotes, an E if the statement applies only to eukaryotes, and an E and P if the statement applies to both eukaryotes and prokaryotes. (3pts) The 5' end of the mature mRNA begins with a triphosphate. The primary mRNA transcript is inactive. Termination of transcription requires the protein pfactor. 2. Circle the fatty...
Below is a series of events involved in the mechanism of forming a retrotransposon. Place these steps in the correct order 1. the DNA copy is made double-stranded 2. DNA of the transposable element is transcribed 3. The DNA of the transposable element is integrated into a target DNA site 4. The RNA is reverse transcribed by reverse transcriptase, producing a complementary DNA 4,2,3,1 3,2,4,1 2,4,1,3 4,2,1,3 1,2,3,4 What is the function of the poly(A) tail on most mRNAs To...
1 pts DI Question 6 What region of this molecule shown would bind to mRNA during translation? 3' A-OH 5' A Cacceptor stem G C G- U TuC loop D-loop C U GACAC m'A GGAGAGm m' G C-G A-U variable loop Anticodon loop Cm U A Gm A A The 5' end The anticodon loop The 3 end The variable loop The acceptor stem D Question 7 1 pts What is synthesized during transcription? O a strand of tRNA O...
25. What binds to a stop codon on a mRNA during translation? a. transcription factor c. termination factor b. tRNA d. transcription initiator 26. What is typically attached to the acceptor end of a tRNA? a. a protein b. an amino acid C a ribosome d. a nucleosome 27. During mRNA processing, what is put on the 3' end of a primary mRNA transcript? a. a poly-A tail b. a cap d. an intron c. an exon 28. Which of...
Answer the questions:
Question 1 Transcription begins at the..... a. operon o b. repressor c. genome 17d. promoter Question 2 0.5 points Save RNA is synthesized on a DNA template in a process called replication, DNA polymerase translation, RNA polymerase transcription, RNA polymerise t ranscription, DNA polymerase Question 3 Which eukaryotic RNA polymerase makes tRNA's? a RNA polymerase IIIb. Any of these RNA polymerase I od RNA polymerase II A Moving to another question will save this response. Question 4...
In prokaryotes the consensus sequence begins. is located about 10 bases upstream from the initiation site. It has the and is responsible for identifying the precise nucleotide at which TATA box, TATAAA, transcription Pribnow box, TATAAT, transcription 0 0 0 0 0 Pribnow box, TATAAT, translation Pribnow bow, TTGACA, translation None of the answers are correct Ribosomes are made of: 1. rRNA 2. proteins 3. URNA 3 2 Both 1 and 2 are correct All answers are correct 1 Once...
DNA DNA Replication: ONA Because DNA Is the ge m Tumes and heart e ine in process called DNA curs in the nucleus of s acest FS Parent strand Parent strand Newly replicated DNA Newly replicated DNA- SA0 Daughter DNA molecule Daughter DNA molecule Figure 8.2: Overview of DNA replication and illustration of complementary base pairing. DNA must replicate before cell division so that each new daughter cell receives an exact copy of the parent DNA. 1. Replication begins when...
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