Gene transcription is a complex process that involves specific interactions of proteins and regulatory regions of DNA. The animation in the film (8:00-8:24) and Figure 1 show some of the factors involved but not all. In the cell, a number of proteins bind to different regions on the DNA to regulate gene transcription. Use your textbook to learn about the proteins involved in eukaryotic gene transcription. Mark the proteins that are involved in eukaryotic gene transcription and regulation. proteasomes general transcription factors lactase activators operons ribosomes DNA polymerase mediators RNA polymerase

Gene transcription is a complex process that involves specific interactions of proteins and regulatory regions of DNA. The animation in the film (8:00-8:24) and Figure 1 show some of the factors involved but not all. In the cell, a number of proteins bind to different regions on the DNA to regulate gene transcription. Use your textbook to learn about the proteins involved in eukaryotic gene transcription. Mark the proteins that are involved in eukaryotic gene transcription and regulation. proteasomes general transcription factors lactase activators operons ribosomes DNA polymerase mediators RNA polymerase

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 6TYK

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1. Which of the following conditions will result to deactivation of a gene? a. histone methylation b. phosphorylation of a transcription factor c. binding of hormones to its nuclear receptor d. deactivation of transcription factor inhibitory protein 2. Direct complementarity of the microRNA to the target mRNA will lead to a. mRNA degradation b. inhibition of transcription c. chromatin remodeling d. inhibition of translation
4) Shown below is a schematic drawing of a gene, with the transcription unit divided into numbered regions. The arrows indicate transcription initiation sites, "D" indicates a splice donor site, "A" indicates a splice acceptor site, and "An" indicates a polyadenylation signal. Indicate all the possible mRNAs that could be produced from this gene (you don't need to draw new schematics - just list the regions that would be included in each mRNA by number)
1. What is a consensus sequence? What are the components of RNA polymerase and what are their functions? 2. Describe the steps involved with transcription initiation.? Describe the steps involved with transcription elongation. 3. Describe the steps involved with transcription termination. A consensus sequence is a sequence of DNA,RNA, or protein that has aligned sequence.
1. Which of the following statements about the flow of genetic information is correct?A. Translation occurs prior to transcription during protein synthesis.B. During translation, the DNA template is converted to amino acids by the ribosomes.C. During transcription, the DNA template is converted to an RNA molecule by the enzyme RNA polymerase.D. Eukaryotic mRNA needs to be transported to the cytoplasm before the protein products are synthesized. 2. What is the main difference in the cell wall composition between eukaryotes and prokaryotes?A. Eukaryotic cell wall is mainly composed on sugar molecules while prokaryotic cell wall has both sugars and amino acids.B. Prokaryotic cell wall is mainly composed on sugar and lipid molecules while eukaryotic cell wall has both sugars and amino acidsC. Prokaryotic cell wall is mainly composed on sugar molecules while eukaryotic cell wall has both sugars and amino acids.D. Eukaryotic cell wall is mainly composed on sugar and lipid molecules while…
1. Which of the following explains why prokaryotes have a bigger gene-to-genome size ratio compared to eukaryotes? A. Prokaryotic genome contains multiple promoters and repressors that control of a single gene.B. Prokaryotic genome is completely devoid of non-coding sequences.C. Prokaryotic genome contains multiple genes that are under the control of a common promoterand repressor.D. Prokaryotic genome contains one promoter region for each gene. 2. Which of the following can explain why eukaryotes have smaller gene-to-genome size ratio compared to prokaryotes?A. Genome size do not correlate with complexity in eukaryotes.B. The percentage of genes is inversely correlated with genome size in eukaryotes.C. Eukaryotic genome contains a lot of coding sequences.D. Eukaryotic genome contains a lot of non-coding sequences.
1) Below are some events that occur in the process of translating mRNA into a protein in a bacterial cell. Pick the best order of events. EF-G–GTP binds to the tRNA in the A site and causes the tRNA to advance to the P site.- The rRNA in the ribosomal 30S subunit base-pairs with the Shine-Dalgarno sequence in the mRNA.- Peptide bond forms between the growing amino acid chain in the P site and the new amino acid in the A site.- IF-3 binds in the E site.- RRF binds in the A site.- RF-1 or -2 binds in the A site.- Ribosomal complex dissociates.- Peptide chain dissociates from final tRNA.- fMET tRNA binds to the start codon in the mRNA.- RF-3–GTP causes displacement of RF-1 or -2 and its exit from the ribosome.- EF-G–GTP binds to the A site and causes RRF to shift to the P site.- A conformational change in the 30S subunit allows the 50S subunit to bind, forming the 70S ribosome. Step 1, 2, 3, 4 ,5 ,6 , 7, 8, 9, 10, 11, 12
I've attached the table of transcription ans translation for a DNA and Bees work, Genes A and B are exons while C is an intron. Gene A has a silent mutation and Gene B has a nonsense mutation. Please answer the below for me The 3 genes code for different proteins: • Gene A = protein essential for stinger • Gene B = DNA replication enzyme • Gene C = fuzzy hair protein Do you think it matters which protein is mutated? Is one protein more important than another? How would you try to help the bees stay healthy using the information from the mutations?
1. What is the production of RNA called and what is the enzyme that catalyzes the process?2. What are the similarities and differences between the transcription process and the repli-cation processes?3. Concerning their biological function what is the difference between DNA and RNA?4. Is there any situation in which DNA is made based on a RNA template? If there is,explain with an example how it occurs and state the enzyme involved?5. What is the difference between plasma membrane and cell wall?
1.The Shine Dalgarno sequence is ____________. located in the 50S subunit of ribosome. located on the 16S rRNA component of the 30S subunit of ribosome. a sequence upstream of the AUG initiation codon on mRNA. a DNA consensus sequence in the promoter region of a gene. a signal for transcription termination.
1.A portion of an mRNA attached to a ribosome reads: 5′ GACAUGAACAGC 3′ If a tRNA with a methionine amino acid attached is in the P site of the ribosome, a tRNA with which amino acid attached will enter the A site? Group of answer choices a. Glutamic Acid b. Lysine c. Threonine d. Asparagine 2. Active transcription does not occur in regions of chromatin loops that are located ________. Group of answer choices a. A large distance away from the MARS b. Within the euchromatin c. Near the MARS d. A large distance from the telomere 3. Given the DNA sequence 5′-AUG GCU AGA GUU GAA AAA-3′, which of these sequences represents a silent mutation? Group of answer choices a. 5′-AUG GUU AGA GUU GAA AAA-3′ b. 5′-AUG GCU UGA GUU GAA AAA-3′ c. 5′-AUG GCU AGA GUU GGA AAA-3′ d. 5′-AUG GCU CGA GUU GAA AAA-3′
1. Transcription: a)State the role of RNA polymerase in gene transcription.b. Explain why the DNA is not used directly for protein translation (i.e., why is mRNA used instead?).c. Explain what occurs when a gene’s promoter region is open for RNA polymerase binding.d. Explain what occurs when a gene’s promoter regions is blocked from binding RNA polymerase.e. Explain how two cells, such as liver cells and skin cells, can become specialized in structure and function despite containing the same genome.
1. Create a DNA sequence with eighteen nucleotides. Indicate its 3’ on the left and 5’ on the right since that’s the template strand you will need in the next question to transcribe the mRNA. 2. Transcribe the DNA sequence above and separate the triplets into codons. Indicate 5’ and 3’ in the correct location on the strand. (Don’t worry about splicing- assume that the pre- mRNA is the same as the mature mRNA sequence) 3. Look at the genetic code, and indicate which amino acid is coded for by the codons in the above mRNA. 4. ANSWER BELOW QUESTIONS: A. First write the original DNA strand. Indicate where the substitution was by either circling it or writing it in a different color. Then write the mutated DNA sequence with the point mutation (aka substitution) wherever you choose for it to be. Again, circle it or write it in a different color. Do the same for the transcribed mRNA. Repeat the directions for 2 and 3 for this new DNA stand. (i.e., include the mRNA and translated protein…