Homework Answers
The primary mRNA transcripts are extensively processed and it includes the following:
A) modification of 5' end
B) modification of 3' end
C) removal of introns by splicing
E) modification of either end and modification of introns by splicing
- The primary mRNA of the eukaryotic cell is considered as pre-mRNA and must be concocted into a messenger RNA (mRNA)
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A 5' cap is added to the origin of the RNA transcript
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3' poly-A tail is added to the end
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Some sections of RNA copy (introns) are removed and the remaining sections (exons) are attached back together in the process of splicing
-
Some genes can be alternatively spliced which can lead to the production of different mature mRNA molecules from the related initial transcript
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11. In eukaryotes, primary mRNA transcripts are extensively processed, which include(s): A) modification of the 5'...
Q1)Which of the following is not involved in control of gene expression in eukaryotes? A. Change...
Q1)Which of the following is not involved in control of gene expression in eukaryotes? A. Change to DNA sequence. B. Alternative splicing. C. Export of mRNA from the nucleus. D. Transcriptional repression. E. Destruction of mRNA Q2) Trans-acting regulators of gene expression include? A. promoters. B. histone deacetylases C. introns D. silencers E. the TATA box. Q3) Gene regulation in eukaryotes often involves which of the following, which are not also used by prokaryotes? A.RNA polymerase B.Transcription factors C.Histone modification...
Which of the following is NOT a feature of RNA processing in eukaryotes? a. Caps and...
Which of the following is NOT a feature of RNA processing in eukaryotes? a. Caps and tails are added to RNA transcripts before they leave the nucleus b. Multiple genes are represented in one mRNA from an operon c. Introns are removed and exons are spliced back together to make mature mRNA d . "Alternative splicing" means that one gene in the genome can encode multiple products e. The sequence that codes for one eukaryotic gene is not a continuous...
Recessive epistasis Incorrect Question 5 What modification(s) is/are necessary to go from an immature mRNA to...
Recessive epistasis Incorrect Question 5 What modification(s) is/are necessary to go from an immature mRNA to a mature mRNA? Addition of a 3' poly Atail Addition of a 5 cap Removal of introns 5' cap and poly Atail All three modifications Question 6 Which of the following molecule(s) is/are synthesized using nucleotides containing the bases adenine, guanine, cytosine, and thymine? MacBook Air esc 30 oða
can you guys please give me the correct answers and explain why? 3. Which of the...
can you guys please give me the correct answers and explain
why?
3. Which of the following statements is CORRECT? A. Exposure of E.coli to UV light greatly increases the frequency of cytosine deamination B. Mutagens that intercalate into the double helix lead to the formation of thymine dimers. C) Oxidative damage to DNA usually leads to the formation of frameshift mutations. D. Some alkylating agents are mutagenic because they chemically modify amino acids in the active site of DNA...
QUESTION 1 A segment of mature edited mRNA that correctly codes for a protein is as...
QUESTION 1 A segment of mature edited mRNA that correctly codes for a protein is as follows: 5-ACGUUCGCUUUAGCUAGCCA-3 . Match each of the pre-edited mRNA sequences with the correct editing mechanism. - 5'-ACGCGCAGCAGCCA-3' A. A-G conversion - 5'-AGUUGCUUUAGUAGA-3 B. C-U conversion - 5'-ACGCCCGCCCCAGCCAGCCA-3' C. C-Insertion - 5'-ACAUUCACUUUAGCUAACCA-3' D.U-Insertion QUESTION 2 3 po Match the term with its function. - - - A. Necessary for RNA export from the nucleus small nuclear RNA + protein complexes, involved in * intron removal...
need to help w questions In eukaryotes, the addition of a 5' cap and 3' polyadenylation......
need to help w questions
In eukaryotes, the addition of a 5' cap and 3' polyadenylation... refer to post-translational modifications occur in the cytoplasm refer to modifications of tRNA are regulated in part by the CTD of RNA polymerase II UD A. seunit Star Transcription activators can function at different steps, which of the following is not one of these steps? releasing RNA polymerase from pause recruiting RNA polymerase to the promoter region/ catalyzing addition of the 5 methyl cap...
Which of the following is a difference in how RNA is processed between bacteria and eukaryotes?...
Which of the following is a difference in how RNA is processed between bacteria and eukaryotes? Group of answer choices a In bacteria, the same RNA transcript may be bound to both RNA polymerase and rRNA at the same time, but this is not possible in eukaryotes b The 5' UTR region is removed in bacteria, but not in eukaryotes c In bacteria, transcription takes place in the nucleus and translation takes place in the cytoplasm, but these occur in...
Question 14 (2 points): Processing of a primary mRNA transcript in a eukaryotic cell DOES NOT...
Question 14 (2 points): Processing of a primary mRNA transcript in a eukaryotic cell DOES NOT involve: A. Excision of non-coding sequences (introns). B. Addition of the 7-methylguanosine cap at the 5'-end. C. Charging of an amino acid residue to the CCA-end. D. Joining of coding sequences (exons). E. Attachment of a long poly(A) sequence at the 3'-end.
Question 19 (3 points) Saved Choose all of the modifications to mRNA in eukaryotes. 5' methyl...
Question 19 (3 points) Saved Choose all of the modifications to mRNA in eukaryotes. 5' methyl G cap splicing endonuclease 3' poly A tail exonuclease Question 21 (4 points) ✓ Saved Please put the following activities of translation initiation in order from first to last. 2 tRNA with anticodon UAC binds to mRNA codon AUG large subunit of ribosome binds to mRNA Small subunit of ribosome binds to mRNA 1 v A-site is open 3 Choose all the molecules that...
The process of making RNA using DNA as a template is called ___. The process of...
The process of making RNA using DNA as a template is called ___. The process of using the codes in RNA to make protein is called ___. Complete the following table with information on the three types of RNA polymerases and role of specific type of RNA in protein synthesis: In prokaryotes, the two stages of protein synthesis are: ___ and ___. In eukaryotes, the three stages of protein synthesis are ___, ___ and ___. During transcription, a ___ ___...
Recessive epistasis Incorrect Question 5 What modification(s) is/are necessary to go from an immature mRNA to a mature mRNA? Addition of a 3' poly Atail Addition of a 5 cap Removal of introns 5' cap and poly Atail All three modifications Question 6 Which of the following molecule(s) is/are synthesized using nucleotides containing the bases adenine, guanine, cytosine, and thymine? MacBook Air esc 30 oða
can you guys please give me the correct answers and explain
why?
3. Which of the following statements is CORRECT? A. Exposure of E.coli to UV light greatly increases the frequency of cytosine deamination B. Mutagens that intercalate into the double helix lead to the formation of thymine dimers. C) Oxidative damage to DNA usually leads to the formation of frameshift mutations. D. Some alkylating agents are mutagenic because they chemically modify amino acids in the active site of DNA...
QUESTION 1 A segment of mature edited mRNA that correctly codes for a protein is as follows: 5-ACGUUCGCUUUAGCUAGCCA-3 . Match each of the pre-edited mRNA sequences with the correct editing mechanism. - 5'-ACGCGCAGCAGCCA-3' A. A-G conversion - 5'-AGUUGCUUUAGUAGA-3 B. C-U conversion - 5'-ACGCCCGCCCCAGCCAGCCA-3' C. C-Insertion - 5'-ACAUUCACUUUAGCUAACCA-3' D.U-Insertion QUESTION 2 3 po Match the term with its function. - - - A. Necessary for RNA export from the nucleus small nuclear RNA + protein complexes, involved in * intron removal...
need to help w questions
In eukaryotes, the addition of a 5' cap and 3' polyadenylation... refer to post-translational modifications occur in the cytoplasm refer to modifications of tRNA are regulated in part by the CTD of RNA polymerase II UD A. seunit Star Transcription activators can function at different steps, which of the following is not one of these steps? releasing RNA polymerase from pause recruiting RNA polymerase to the promoter region/ catalyzing addition of the 5 methyl cap...
Question 14 (2 points): Processing of a primary mRNA transcript in a eukaryotic cell DOES NOT involve: A. Excision of non-coding sequences (introns). B. Addition of the 7-methylguanosine cap at the 5'-end. C. Charging of an amino acid residue to the CCA-end. D. Joining of coding sequences (exons). E. Attachment of a long poly(A) sequence at the 3'-end.
Question 19 (3 points) Saved Choose all of the modifications to mRNA in eukaryotes. 5' methyl G cap splicing endonuclease 3' poly A tail exonuclease Question 21 (4 points) ✓ Saved Please put the following activities of translation initiation in order from first to last. 2 tRNA with anticodon UAC binds to mRNA codon AUG large subunit of ribosome binds to mRNA Small subunit of ribosome binds to mRNA 1 v A-site is open 3 Choose all the molecules that...
The process of making RNA using DNA as a template is called ___. The process of using the codes in RNA to make protein is called ___. Complete the following table with information on the three types of RNA polymerases and role of specific type of RNA in protein synthesis: In prokaryotes, the two stages of protein synthesis are: ___ and ___. In eukaryotes, the three stages of protein synthesis are ___, ___ and ___. During transcription, a ___ ___...
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