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 sequence in the DNA
Homework Answers
The following is NOT a feature of RNA processing in eukaryotes is
b. Multiple genes are represented in one mRNA from an operon
Eukaryotic operons lead to monocistronic mRNAs and prokaryotes operon lead to polycistronic mRNAs, where the operon denotes to a cluster of genes under a same promoter and cistron refers to gene.
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Which of the following is NOT a feature of RNA processing in
eukaryotes?
a. Caps and...
The Basics of Eukaryotic Gene Expression (Ch. 17) • What are the steps of RNA processing?...
The Basics of Eukaryotic Gene Expression (Ch. 17) • What are the steps of RNA processing? What are introns and exons? G-caps and PolyA tails? • Does RNA polymerase function the same in eukaryotes as in prokaryotes? Why or why not? • How do eukaryotic ribosomes compare with those of prokaryotes? How have these differences been used in medicine? • What is the evolutionary significance of the exon/intron arrangement in eukaryotic genes? What are domains?
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....
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 ___ ___...
11. A gene is best defined as a. A segment of DNA b. Three nucleotides that...
11. A gene is best defined as a. A segment of DNA b. Three nucleotides that code for an amino acid. C. A sequence of nucleotides in DNA that codes for a functional product. d. A sequence of nucleotides in RNA that codes for a functional product. e. A transcribed unit of DNA. 12. Which of the following statements is false? a. DNA polymerase joins nucleotides in one direction only. b. The leading strand of DNA is made continuously c....
A promotor is used by RNA polymerase during which stage of transcription? Group of answer choices...
A promotor is used by RNA polymerase during which stage of transcription? Group of answer choices A. Initiation B. Elongation C. Termination D. Promotion 2. In eukaryotic cells, mRNA is modified in several ways. Match the mRNA modifications to their functions. Group of answer choices [ Choose ] Portions of the mRNA that are removed before translation. Helps ribosomes attach to the mRNA. Depending on the length, this structure can help...
Which of the following statements about splicing is false? A. a single gene can code for...
Which of the following statements about splicing is false? A. a single gene can code for many types of protein due to alternative splicing B. The 5' and 3' regions of the intron are highly variable in sequence C. the spliceosome is found in the nucleus of the cell D. The mRNA is composed of exons; introns are spliced out
Question 4) Trans-splicing is a special form of RNA splicing that occurs in 70-80% of all...
Question 4) Trans-splicing is a special form of RNA splicing that occurs in 70-80% of all genes in the soil nematode C. elegans. In trans-splicing, the exons from two different primary RNA transcripts produced in different portions of the genome are joined end-to-end and ligated. Do you consider these trans-spliced sequences of real genes or are they instead the product of a fusion of two genes? Question 5) Recently researchers discovered a new class of mRNA regulators named miRNAs. miRNAs...
Question 4) Trans-splicing is a special form of RNA splicing that occurs in 70-80% of all...
Question 4) Trans-splicing is a special form of RNA splicing that occurs in 70-80% of all genes in the soil nematode C. elegans. In trans-splicing, the exons from two different primary RNA transcripts produced in different portions of the genome are joined end-to-end and ligated. Do you consider these trans-spliced sequences of real genes or are they instead the product of a fusion of two genes? Question 5) Recently researchers discovered a new class of mRNA regulators named miRNAs. miRNAs...
QUESTION 1 Which of the following statements regarding splicing is FALSE? A) The length...
QUESTION 1 Which of the following statements regarding splicing is FALSE? A) The length of introns determines the efficiency of splicing. B) Many human neurological disorders are caused by splicing errors and/or mutations in splicing factors. C) Splicing requires the action of a variety of snRNAs that direct the transesterification reactions. D) Splicing is dictated by sequence features in pre-mRNA transcripts QUESTION 2 Which of the following mRNA processing factors does NOT associate with...
The main differences in gene expression between prokaryotes and eukaryotes result from the presence of a...
The main differences in gene expression between prokaryotes and eukaryotes result from the presence of a nucleus in eukaryotes. Which of the following is FALSE when comparing transcription between prokaryotes and eukaryotes? Prokaryotic mRNA goes through multiple modifications before translation Eukaryotic genes have introns that need to be removed before translation Prokaryotic mRNA can be translated while it is still being transcribed Eukaryotic mRNA needs a 'cap and a 3'tall to prevent its degradation 0/2 pts Question 45 Lets play...
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....
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 ___ ___...
11. A gene is best defined as a. A segment of DNA b. Three nucleotides that code for an amino acid. C. A sequence of nucleotides in DNA that codes for a functional product. d. A sequence of nucleotides in RNA that codes for a functional product. e. A transcribed unit of DNA. 12. Which of the following statements is false? a. DNA polymerase joins nucleotides in one direction only. b. The leading strand of DNA is made continuously c....
Question 4) Trans-splicing is a special form of RNA splicing that occurs in 70-80% of all genes in the soil nematode C. elegans. In trans-splicing, the exons from two different primary RNA transcripts produced in different portions of the genome are joined end-to-end and ligated. Do you consider these trans-spliced sequences of real genes or are they instead the product of a fusion of two genes? Question 5) Recently researchers discovered a new class of mRNA regulators named miRNAs. miRNAs...
Question 4) Trans-splicing is a special form of RNA splicing that occurs in 70-80% of all genes in the soil nematode C. elegans. In trans-splicing, the exons from two different primary RNA transcripts produced in different portions of the genome are joined end-to-end and ligated. Do you consider these trans-spliced sequences of real genes or are they instead the product of a fusion of two genes? Question 5) Recently researchers discovered a new class of mRNA regulators named miRNAs. miRNAs...
The main differences in gene expression between prokaryotes and eukaryotes result from the presence of a nucleus in eukaryotes. Which of the following is FALSE when comparing transcription between prokaryotes and eukaryotes? Prokaryotic mRNA goes through multiple modifications before translation Eukaryotic genes have introns that need to be removed before translation Prokaryotic mRNA can be translated while it is still being transcribed Eukaryotic mRNA needs a 'cap and a 3'tall to prevent its degradation 0/2 pts Question 45 Lets play...
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