Identify the eukaryotic level of gene regulation. Choose the correct answer below. a. Pre- transcriptional control b. transcriptional control c. translational control d. post-translational control 9. Levels of gene regulation

Q: 10. a. Describe an operon? b. How lac operons controls gene expression in bacteria

A: (a) An operon is a functional unit of DNA containing a set of genes including structural gene, a…

Q: Are the following statements TRUE or FALSE?

A: a.It is a false statement. Post transcriptional RNA processing occurs in the nucleus of the cell and…

Q: association of 2alpha and 2 beta chains to form adult hemoglobin     identify which describes the…

A: Translation is process of conversion of RNA to protein.

Q: compare and contrast the negative and positive regulation of prokaryotic gene expression

A: The operon is a set of genes transcribed under the control of the operator gene. More particularly,…

Q: Define the following terms:a. mRNA scanningb. transcript localizationc. glycosylationd. targetinge.…

A: The proteins are synthesized from the mRNA, which is modified post-translationally in ER. After…

Q: Which of the following gene expression regulatory mechanisms saves the most energy but takes the…

A: Gene expression can be described as a process by which the genetic information stored in the gene is…

Q: What is the mechanism by which an RNA transcript can be used to silence expression of the same gene?…

A: Recombinant DNA technology (rDNA technology) is very helpful for analyzing the entire genome of a…

Q: What would the direct consequence to a cell be if there was a loss of function of Transcription…

A: Transcription is the process in which the DNA is transcribed into an mRNA. There are three basic…

Q: Describe the signaling pathway used by a small hydrophobic ligand (like a steroid) to cause a change…

A: A small hydrophobic ligand is a type of signaling molecule that is hydrophobic or nonpolar in…

Q: What strategy does a genetically encoded calcium indicator look like to allow fluorescence imaging…

A: A crucial part of astrocyte physiology and function is Ca2+ signaling. Ca2+ imaging is the most…

Q: Use this diagram of a eukaryotic gene to answer the following questions. Pay close attention to the…

A: Introduction Gene expression is the process through which a gene's information is used to create a…

Q: Cancer cells removed from a patient's tumor have increased gene expression of several hundred genes…

A: Cancer  Cancer if a kind of disorder which caused by several means like drug, radiation, malfunction…

Q: functional insulin required the association of two polypeptides known as the A and B chains…

A: Pre transcription control involves in DNA methylation.  Transcriptional control involves in…

Q: Select the answer that correctly expresses a valid comparison between transcriptional regulation in…

A: Transcriptional regulation is far more complex in eukaryotes than in prokaryotes. Prokaryotic…

Q: Genes of related function frequently cluster into: please explain the answer  a.transcripts…

A: Gene is the functional part of the DNA that undergoes transcription and produce RNA. They have a…

Q: Which of the following types of posttranscriptional modification is for mRNA only? a.splicing…

A: Basically, RNA are of following 3 types mRNA - transcribed by RNA pol ll rRNA- transcribed by RNA…

Q: Gene expression regulation by methylation of the cytosines in a promoter would be considered

A: Answer - Option B - Transcriptional regulation

Q: Which of these BEST DESCRIBE tryptophan in the Trp Operon? A. Acts as a corepressor B. Acts as a…

A: An operon is a unit of genetic material that functions in a coordinated manner through the use of an…

Q: How does reverse methylation affect gene expression? Select one: o a. The gene is turned off, but…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: . rat liver mannan-binding protein gene yields two different mRNA sizes 1.4 and 3.5 kb identify…

A: Pre transcriotion contol involved in DNA methylation and chromatin packing . Transcription control…

Q: 35. rat liver manan-binding protein gene yields two different mRNA sizes - 1.4 and 3.5kb identify…

A: Mannan-binding protein (MBP), a mannose-binding lectin (MBL) protein, is a protein involved in the…

Q: Is each of the following statements true or false? A. An enhancer is a type of regulatory element.…

A: Gene is a section of DNA with information to construct a protein. Gene is actually made from a…

Q: ptoph had a mutation on the repressor, not allowing it to bind with tryptophan. The repressor is…

A: Operons are proteins encoded together as a block that performs specific functions and are involved…

Q: which of the following is not a major factor in regulating specific protein content in the cell? A.…

A: Introduction  Cell regulation refers to the mechanisms and processes that control the behavior of…

Q: For each of the following, match with the stage of gene expression being regulated.…

A: DNA and RNA are nucleic acids present in the organisms. DNA is the deoxy ribose nucleic acid whereas…

Q: E. coli has five genes that code for enzymes that make tryptophan. These genes are regulated by a…

A: Tryptophan operon found in E.coli and some other bacteria. It is group of genes which encodes for…

Q: Which of the following does not accurately describe eukaryotic transcriptional factors? a. Changes…

A: Introduction Transcription factors are the proteins that specifically are involved in the…

Q: . heterochromatic regions decondense for gene expression a. pre-transcriptional control b.…

A: Heterochromatin regions are condensed regions of the chromatin that are transcriptionally switched…

Q: Give 7 examples where a specific nucleotide sequences/elements are recognized by protein or…

A: Replication is the process by which new strands of DNA are synthesized from pre-existing DNA.…

Q: A transcription factor (protein - orange/green) is bound to a promoter of a gene (DNA - blue) it…

A: The control of gene expression is a complex process that involves the interaction of numerous…

Q: A mutation in the coding region of a gene may alter the of the gene. protein-coding region may alter…

A: Mutations are changes in the DNA sequence of an organisms genome. DNA is the genetic material that…

Q: In the trp operon, tryptophan is best characterized as being a: A. repressor B. inducer C.…

A: Operon is clustered of Genes where a single mRNA consists of more than one functional gene.It is…

Q: The NFAT family is a ubiquitous family of transcription factors. a. Under resting conditions, where…

A: a. Under resting conditions, NFAT (Nuclear Factor of Activated T cells) is phosphorylated and…

Q: Which of these is used in the transcription of all genes? Choose all correct answers.         A.…

A: Transcription is the process in which RNA strand is synthesized with the help of template strand of…

Q: Eukaryotic cells have multiple complex mechanisms for the regulation of gene expression, but a…

A: Answer :- a) Operons Explanation - Eukaryotic genes aren't organized into operons, therefore every…

Q: tight packing of previously less condensed chromatin   identify which describes the statement…

A: Post translational modifications in histone proteins can change the shape of chromatin, which can…

Q: Which of the following gene regulation mechanisms are found ONLY in prokaryotes?   a. coordinate…

A: DNA modifications can happen in both prokaryotes and eukaryotes, Transcriptional and Translational…

Q: Please choose the correct answer. The prokaryotic operator gene is turned on if a. a repressor…

A: An operon is a functional unit of genomic DNA that comprises a collection of genes that are all…

Q: Compare and contrast the activities of an activator protein anda repressor protein.

A: Gene regulation is a mechanism by which cells increase or decrease the productivity of any specific…

Q: does reverse methylation affect gene expression? Select one O a The gene is tumed off, but stl…

A: Gene expression is the process by which the instructions in our DNA are converted into a functional…

Q: Explain the different events under post transcriptional modification. A. 5'capping B.…

A: Post-transcriptional modification, also known as co-transcriptional modification, is a series of…

Q: Read the article to understand how gene expression is controlled.…

A: Histones are proteins that wrapped and packaged around eukaryotic DNA which protect and regulate…

Q: In terms of gene expression, the regulation of lac operon is an example of? A.…

A: In bacteria, an operon is a collection of genes that are transcribed as a single mRNA molecule by a…

Q: onsidering the 7 levels of gene regulation, which of the following mechanisms acts at first level?…

A: Gene expression is a tedious process involving several steps such as replication, transcription and…

Gene Interactions

When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.

Gene Expression

Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.