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    which of the following statements is not correct about the process of transcription?

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    Which of the following statement is wrong about transcription in bacteria?

    Click here👆to get an answer to your question ✍️ Which of the following statement is wrong about transcription in bacteria?

    Question

    Which of the following statement is wrong about transcription in bacteria?

    A

    Splicing is not required

    B

    Single RNA polymerase controls all DNA polymerase

    C

    This process required more/less energy

    D

    None

    Hard Open in App Solution Verified by Toppr

    Correct option is B)

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    Ch 10 Concept Questions (PPT) Flashcards

    Start studying Ch 10 Concept Questions (PPT). Learn vocabulary, terms, and more with flashcards, games, and other study tools.

    Ch 10 Concept Questions (PPT)

    10 studiers in the last hour

    Small interfering RNA (siRNA) molecules block gene expression by degrading mRNA or inhibiting transcription. Which genes do they target?

    a. genes from which they were transcribed

    b. genes other than those they were transcribed from.

    c. random genes in the genome.

    d. transposon genes.

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    a. genes from which they were transcribed

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    When RNA is transcribed from a gene, which strand of DNA is used?

    a. the template strand

    b. the nontemplate strand

    c. RNA is transcribed from either strand at random.

    d. RNA is transcribed from either strand in a regulated manner.

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    a. the template strand

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    1/18 Created by kharvey35

    Terms in this set (18)

    Small interfering RNA (siRNA) molecules block gene expression by degrading mRNA or inhibiting transcription. Which genes do they target?

    a. genes from which they were transcribed

    b. genes other than those they were transcribed from.

    c. random genes in the genome.

    d. transposon genes.

    a. genes from which they were transcribed

    When RNA is transcribed from a gene, which strand of DNA is used?

    a. the template strand

    b. the nontemplate strand

    c. RNA is transcribed from either strand at random.

    d. RNA is transcribed from either strand in a regulated manner.

    a. the template strand

    The transcription unit includes three essential regions. What is the proper order of these regions?

    a. terminator, RNA coding sequence, promoter

    b. RNA coding sequence, promoter, terminator

    c. promoter, RNA coding sequence, terminator

    d. RNA coding sequence, terminator, promoter

    e. promoter, terminator, RNA coding sequence

    c. promoter, RNA coding sequence, terminator

    Which of the following statements is NOT correct about the process of transcription?

    a. Transcription of a given gene takes place on only one of the two DNA strands.

    b. During transcription the RNA molecule is synthesized in the 3 to 5 direction.

    c. During transcription the RNA molecule that is synthesized is anti-parallel and complementary to the template DNA strand.

    d. The start site and direction of transcription are determined by a region of the nontemplate DNA strand known as the promoter.

    e. The RNA molecule that is synthesized will have U in place of T.

    b. During transcription the RNA molecule is synthesized in the 3 to 5 direction.

    What would the result be if a specific sigma subunit of bacterial RNA polymerase were mutated?

    a. Nothing would result; sigma is not essential.

    b. RNA polymerase would still bind DNA at specific sites, but will fall off after joining together only a few RNA nucleotides.

    c. RNA polymerase would initiate transcription at random on the DNA.

    d. The core enzyme would not be as stable as usual.

    c. RNA polymerase would initiate transcription at random on the DNA.

    The bacterial holoenzyme binds to which part of the promoter?

    a. -10 consensus sequence

    b. -35 consensus sequence

    c. -10 and -35 consensus sequence

    d. The holoenzyme does not bind to the promoter.

    c. -10 and -35 consensus sequence

    In rho-dependent transcription termination, the rho factor binds to ___________.

    a. mRNA

    b. DNA (near the end of the transcribed region)

    c. RNA polymerase d. sigma subunit a. mRNA

    In bacteria, the elongation stage of transcription:

    a. is carried out by the RNA polymerase core enzyme.

    b. involves unwinding of only short (~ 18 base pair) regions of the DNA by RNA polymerase.

    c. generates positive supercoils ahead of the transcription bubble.

    d. includes frequent pauses by RNA polymerase.

    e. all of the above.

    e. all of the above.

    When a eukaryotic mRNA is hybridized to the complementary DNA, loops of unhybridized DNA are seen. These loops:

    a. correspond to noncoding regions of the gene.

    b. are not transcribed into mRNA.

    c. demonstrate that genes and proteins are not colinear.

    d. both a and c.

    e. all of the above.

    d. both a and c.

    Which of the following is (are) NOT part of a mature mRNA in eukaryotic cells?

    a. 5′ UTR b. 5′ cap c. introns d. 3′ UTR

    e. None of the above are included in the mRNA.

    c. introns

    What is the most likely result from mutating a prokaryotic Shine-Dalgarno sequence?

    a. The translated protein would have different amino acids.

    b. The mRNA would be less stable.

    c. The ribosome would not be able to bind to the mRNA.

    d. None of the above: prokaryotes do not have a Shine-Dalgarno sequence.

    c. The ribosome would not be able to bind to the mRNA.

    Which mRNA processing event adds stability to the mRNA?

    a. addition of a 5′ cap

    b. addition of a poly(A) tail to the 3′ end

    c. addition of a poly(U) tail to the 3′ end

    d. Both a and b add stability.

    e. Both a and c add stability.

    d. Both a and b add stability.

    What kind of RNA functions in pre-mRNA splicing as a component of the spliceosome?

    a. transfer RNA (tRNA)

    b. ribosomal RNA (rRNA)

    c. small nuclear RNA (snRNA)

    Source : quizlet.com

    Which of the following statements is/are CORRECT regarding transcription?

    Which of the following statements is/are CORRECT regarding transcription?

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    Which of the following statements is/are CORRECT regarding transcription?

    Question

    Which of the following statements is/are CORRECT regarding transcription?

    A

    Genetic information is copied from RNA to DNA.

    B

    Both the DNA strands of the double helix serve as templates for transcription.

    C

    Only a segment of the template strand gets copied at a time.

    D

    Transcription takes place in the nucleus of the cell.

    Solution

    The correct option is D Transcription takes place in the nucleus of the cell.

    Transcription is the conversion of DNA to mRNA, and takes place inside the nucleus of a cell. The entire DNA molecule does not get transcribed together; a segment of DNA is copied at a time. This chosen segment is known as the transcription unit. Of the two DNA strands of the double helix, only one serves as template for the synthesis of mRNA.

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