Homework Answers
Ans.
Option B). Enhancer might be present in the middle of a
gene and E). Enhancer might be present downstream
of a gene, are the true statements.
Reason:
Enhancer are the regulatory sequence that increases the rate of transcription of the gene associated with it. It can be present upstream, downstream or in the middle of the gene.
All other options are incorrect:
Option A). Introns not exons are the intervening regions in genes.
Option C). Ribosome not RNA polymerase translates mRNA into protein.
Option D). Poly A tails are added to the 3` end of mRNA not the 5` end.
Add Answer to:
Which of the following statements are true? (hint: There might be more than one True statement)...
3. Prokaryotic and eukaryotic gene expression compared. Below is an incomplete table of prokaryotic and eukaryotic...
3. Prokaryotic and eukaryotic gene expression compared. Below is an incomplete table of prokaryotic and eukaryotic gene expression in comparison. Fill in the blank using PPT slides, notes and the textbook. Prokaryotic gene expression Eukaryotic gene expression Overview Steps Transcription and translation Yes Transcription and translation coupled? Gene structure No introns Epigenetic modification (chromosome remodeling) transcription, translation, RNA processing, protein processing Transcription in the nucleus and translation in the cytoplasm Interrupted gene with exons and introns RNAPI, II, III Which...
Not sure where I am going wrong. Each type of pre-mRNA processing has one or more...
Not sure where I am going
wrong.
Each type of pre-mRNA processing has one or more important functions. Match the function with the appropriate type of processing XAddition of 5' cap Addition of poly(A) tail RNA splicing enables movement of mRNA out of the nucleus increases mRNA stability through addition of many non-DNA-templated nucleotides facilitates binding of ribosome to beginning of mRNA involves cleavage of RNA downstream of AAUAAA consensus sequence removes non-coding regions from pre-mRNA increases mRNA stability through...
Question 14 Which of the following is a feature common to BOTH prokaryotes and eukaryotes? The...
Question 14 Which of the following is a feature common to BOTH prokaryotes and eukaryotes? The use of nucleosomes to condense DNA in the nucleus. The ability to translate an RNA before its transcription is complete. The ability to have multiple ribosomes on a single RNA for more efficient translation. The ability to start transcription at a 5'AUG sequence. o Question 15 A particular prokaryotic promoter contains only the region from-10 to-35. Which of the following is true? The RNA...
Answer the questions: Question 11 Recognition/binding site of RNA polymerase is called a Receptorb. Promoter ....
Answer the questions:
Question 11 Recognition/binding site of RNA polymerase is called a Receptorb. Promoter . Facilitatord. Terminator Question 12 .A specific factor helps RNA polymerase binding to promoters and transcribe genes a Delta b. Beta Gamma d. Sigma Question 13 ............ Promoters lack a TATA box are referred to as TATA less promoters, for example operon Housekeeping genes b. Functional genesc d. Structural genes Question 14 0.5 points Save Answer During "RNA processing" All of the exons are a....
Which of the following statements is true? A. RNA polymerase has a proofreading activity B. Prokaryotic...
Which of the following statements is true? A. RNA polymerase has a proofreading activity B. Prokaryotic RNA usually undergoes nuclear processing C. Polypeptides are synthesized by addition of amino acids to the amino terminus. D. The 3' end of mRNA corresponds to the carboxyl terminus of the protein. Grade 2. Which of the following A. It may be autocatalytic. B. Spliceosomes are present in organelles and nuclei C. It involves removal of exons is true regarding RNA processing? D. It...
QUESTION 1 RNA poll initiates synthesis of the mRNA transcript without a primer True O False...
QUESTION 1 RNA poll initiates synthesis of the mRNA transcript without a primer True O False QUESTION 2 En The +1 position identifies the location for translation to begin when bound the mRNA is bound by the ribosomal subunit. True False QUESTION 3 The small ribosomal subunit binds the mRNA transcript at a sequence that is complementary to the gene promoter in order to initiate translation. O True False QUESTION 4 The 5' cap is necessary for protection from exonuclease...
- Part Which of the following statements about eukaryotic transcription is false? View Available Hint(s) Transcription...
- Part Which of the following statements about eukaryotic transcription is false? View Available Hint(s) Transcription initiation occurs when RNA polymerase binds to a complex of transcription factors at the TATA box Submit о Eukaryotic promoter regions contain a TATA box and a CAAT box A polycistronic mRNA may be transcribed if the gene products are used in the same pathway or needed at the same time. 04 The transcripts produced contain both exons and introns Submit
answer all the questions 18) A mutation occurs such that a spliceosome cannot remove one of...
answer all the questions
18) A mutation occurs such that a spliceosome cannot remove one of the introns in a gene. What effect will this have on the gene? Translation will continue, but a nonfunctional protein will be made b) Translation will continue and will skip the intron sequence c) It will have no effect; the gene will be transcribed and translated into protein d) Transcription will terminate easily and the protein will not be made 19. During the process...
A) True or False In bacteria it is possible for more than one protein to be...
A) True or False In bacteria it is possible for more than one protein to be translated from a single transcriptional unit? B) True or False Similar to prokaryotes a single rna polymerase holoenzyme is responsible for all transcription in an animal?
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...
3. Prokaryotic and eukaryotic gene expression compared. Below is an incomplete table of prokaryotic and eukaryotic gene expression in comparison. Fill in the blank using PPT slides, notes and the textbook. Prokaryotic gene expression Eukaryotic gene expression Overview Steps Transcription and translation Yes Transcription and translation coupled? Gene structure No introns Epigenetic modification (chromosome remodeling) transcription, translation, RNA processing, protein processing Transcription in the nucleus and translation in the cytoplasm Interrupted gene with exons and introns RNAPI, II, III Which...
Not sure where I am going
wrong.
Each type of pre-mRNA processing has one or more important functions. Match the function with the appropriate type of processing XAddition of 5' cap Addition of poly(A) tail RNA splicing enables movement of mRNA out of the nucleus increases mRNA stability through addition of many non-DNA-templated nucleotides facilitates binding of ribosome to beginning of mRNA involves cleavage of RNA downstream of AAUAAA consensus sequence removes non-coding regions from pre-mRNA increases mRNA stability through...
Question 14 Which of the following is a feature common to BOTH prokaryotes and eukaryotes? The use of nucleosomes to condense DNA in the nucleus. The ability to translate an RNA before its transcription is complete. The ability to have multiple ribosomes on a single RNA for more efficient translation. The ability to start transcription at a 5'AUG sequence. o Question 15 A particular prokaryotic promoter contains only the region from-10 to-35. Which of the following is true? The RNA...
Answer the questions:
Question 11 Recognition/binding site of RNA polymerase is called a Receptorb. Promoter . Facilitatord. Terminator Question 12 .A specific factor helps RNA polymerase binding to promoters and transcribe genes a Delta b. Beta Gamma d. Sigma Question 13 ............ Promoters lack a TATA box are referred to as TATA less promoters, for example operon Housekeeping genes b. Functional genesc d. Structural genes Question 14 0.5 points Save Answer During "RNA processing" All of the exons are a....
Which of the following statements is true? A. RNA polymerase has a proofreading activity B. Prokaryotic RNA usually undergoes nuclear processing C. Polypeptides are synthesized by addition of amino acids to the amino terminus. D. The 3' end of mRNA corresponds to the carboxyl terminus of the protein. Grade 2. Which of the following A. It may be autocatalytic. B. Spliceosomes are present in organelles and nuclei C. It involves removal of exons is true regarding RNA processing? D. It...
QUESTION 1 RNA poll initiates synthesis of the mRNA transcript without a primer True O False QUESTION 2 En The +1 position identifies the location for translation to begin when bound the mRNA is bound by the ribosomal subunit. True False QUESTION 3 The small ribosomal subunit binds the mRNA transcript at a sequence that is complementary to the gene promoter in order to initiate translation. O True False QUESTION 4 The 5' cap is necessary for protection from exonuclease...
- Part Which of the following statements about eukaryotic transcription is false? View Available Hint(s) Transcription initiation occurs when RNA polymerase binds to a complex of transcription factors at the TATA box Submit о Eukaryotic promoter regions contain a TATA box and a CAAT box A polycistronic mRNA may be transcribed if the gene products are used in the same pathway or needed at the same time. 04 The transcripts produced contain both exons and introns Submit
answer all the questions
18) A mutation occurs such that a spliceosome cannot remove one of the introns in a gene. What effect will this have on the gene? Translation will continue, but a nonfunctional protein will be made b) Translation will continue and will skip the intron sequence c) It will have no effect; the gene will be transcribed and translated into protein d) Transcription will terminate easily and the protein will not be made 19. During the process...
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...
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