scientist, Dr. Doom would like to create a novel antibiotic by targeting translation in bacterial cells. Which enzyme(s) would Dr. Doom need to target to prevent translation at the transcriptional stage? Group of answer choices a. RNA Polymerase II b. RNA Polymerase I and III c. RNA Polymerase I, II, and

scientist, Dr. Doom would like to create a novel antibiotic by targeting translation in bacterial cells. Which enzyme(s) would Dr. Doom need to target to prevent translation at the transcriptional stage? Group of answer choices a. RNA Polymerase II b. RNA Polymerase I and III c. RNA Polymerase I, II, and

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter16: Regulation Of Gene Expression

Section: Chapter Questions

Problem 1TYK

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1. What is the central dogma? What are the compounds involved in this process? (Keywords: transcription of DNA to RNA, translation of RNA to proteins; gene expression)
A scientist, Dr. Doom would like to create a novel antibiotic by targeting translation in bacterial cells. Which enzyme(s) would Dr. Doom need to target to prevent translation at the transcriptional stage? Group of answer choices RNA Polymerase I, II and III RNA Polymerase I and III RNA Polymerase II RNA Polymerase I and II
Researchers are designing and testing antisense drugs as therapies for a variety of diseases, inclusing cancer, AIDS, diabeates, and muscular dystrophy. The drugs are also being tested to fight infection by deadly viruses such as Ebola. Antisense drugs consist of short RNA strands coplementary in sequence to mRNAs that form during the progression of a disease. How do you think these drugs work?
During the transcription of DNA to mRNA, __________. Group of answer choices a) RNA polymerase moves along the DNA (reads) in the 5’ to the 3’ direction b) the 3’ end of the mRNA molecule is produced first c) RNA polymerase must first bind to a promoter sequence d) transcription is initiated at a “start codon”
1. What are the functions of the following list of RNAs; a. mRNA b. rRNA c. snoRNA d. snRNA e. tRNA f. scaRNA g. miRNA h. siRNA
Which of the following are steps of transcription? Select all that apply. A. RNA polymerase binds to a gene’s promoter. B. RNA polymerase moves over the gene and unzips the double helix to form a “transcription bubble.” C. RNA polymerase assembles a strand of mRNA complementary to the coding strand of DNA. D. RNA polymerase assembles a strand of mRNA complementary to the noncoding strand of DNA.
Considering each nucleotide sequence in an mRNA molecule: [1] write the sequence of the DNA template strand from which the mRNA was synthesized; [2] give the peptide synthesized by the mRNA. a. 5 ' UUG CUC AAC CAA 3 'b. 5 ' AUU GUA CCA CAA CCC 3
Which of the following are involved in transcription?Select all that apply a. rRNA b. DNA c. acetyl transferase d. tRNA e. ribosome f.a mino acids g. RNA polymerase h. mRNA
1. Which of the following statements about mRNA is correct?a. Eukaryotic mRNA is generally polycistronic while prokaryotic mRNA is monocistronic.b. Both prokaryotic and eukaryotic RNA is polycistronic.c. Both prokaryotic and eukaryotic RNA is monocistronic.d. Eukaryotic mRNA is generally monocistronic while prokaryotic mRNA is polycistronic. 2. Which of the following statements about leading and lagging strand synthesis is correct?a. The lagging strand can only be synthesized once the leading strand has been completedb. Lagging strand is synthesized is continuously while leading strand is synthesized fragment by fragment.c. Leading strand is synthesized is continuously while lagging strand is synthesized fragment by fragment.d. Okazaki fragments are used to synthesize the leading and lagging strands of DNA. 3. An intron of a gene had a G to T mutation on the 3’ splice site. What will happento this intron?a. The intron will not be spliced out but will not be recognized in the ribosome…
Now imagine that a mutation occurred in the g of the codon below and the G became a C. How would this affect the mRNA and the amino acid for that codon? Old DNA codon Old RNA codon Old amino acid New DNA codon New mRNA codon New amino acid A T G A T C This would be an example of which type of a point mutation?__________________________
Below is a DNA template strand for RNA transcription where the * and “ mark the beginning and end of 2 introns. Show what the final mRNA would look like. 5’ ATTTGCG*AATGAGAGTCC*GCATTACGATG“CAATGCAGTG”TTTAAGCGCGCATTAA 3’
Which of the following are steps of transcription? Select all that apply. a.RNA polymerase assembles a strand of mRNA complementary to the noncoding strand of DNA. b.RNA polymerase binds to a gene’s promoter. c.RNA polymerase assembles a strand of mRNA complementary to the coding strand of DNA. d.RNA polymerase moves over the gene and unzips the double helix to form a “transcription bubble.”