Describe how transcription would be affected in the Galactose metabolizing pathway in Yeast in the presence of the following mutations. 1. A mutation that resulted in an inability of Gal80 to enter the nucleus. 2. A mutation that resulted in a lack of ability of Gal3 to bind galactose.

Q: In prokaryotes, the promoter contains a -35 and -10 region upstream of the transcription start site.…

A: Promoter is the sequence in DNA where RNA polymerase is recruited. This is present before the…

Q: The following shows the genotype of a partial diploid bacterial cell - where one chromosomal region…

A: The lactose operon is a cluster of genes present in E. coli and other bacteria that are specifically…

Q: When an injury occurs to the skin, the epithelial cells near the wound are signaled to react (by…

A: Introduction:- Chromosomes are the most condensed and compact structures that are made up of DNA…

Q: sRNA acts as a marker, flagging the inhibitory protein for ubiquitination and allowing translation…

A: Proteins are synthesized by the process of translation and are modified after post-translational…

Q: A mutation occurred on the lacI (repressor) gene resulting in a constant production of…

A: Genes are the functional segments of DNA. The cluster of these functional segments called genes is…

Q: 3′-->5′ Exonuclease activity allows DNA polymerase III (Pol III) to back-up and fix a mismatched…

A: Since there are multiple questions in this particular question, I'll answer the first one for you.…

Q: Describe how mature messenger ribonucleic acids (MRNAS) are post-transcriptionally processed in the…

A: Post transcription modification occurs in eukaryotes. Transcription makes pre -mRNA that must be…

Q: 1) How many promoters control the expression of these genes? 2) How many locations does RNA…

A: An operon is a unit of genetic regulation found in prokaryotic organisms like bacteria and archaea.…

Q: Both attenuation of the trp operon in E. coli and riboswitches in B. subtilis rely on changes in the…

A: The trp operon, is a group of genes found in E. coli bacteria, encoding biosynthetic enzymes for…

Q: What are histone deacetylase inhibitors (HDACi)? Give example(s)

A: Histone deacetylase (HDAC) is an accelerator that removes the acetyl radical from histone proteins…

Q: one promoter can regulate the expression of different polypeptides (proteins) in both prokaryotes…

A: Promoter sequences are DNA sequences that define where transcription of a gene by RNA polymerase…

Q: The Dscam locus in Drosophila melanogaster has 24 exons. Four of these exons are able to undergo…

A: Alternative splicing results in several products being made from one chromosome. In higher…

Q: A which is involved in the silencing of the y-globin gene, is rendered inactive. CL11A is a Land a…

A: Gene silencing is a negative feedback process that controls gene expression and metabolism…

Q: Gal 4 is involved in the regulation of galactose metabolism. Describe how transcription would be…

A: Galactose is a common sugar in human diets. As a result, an epimerization reaction is needed for…

Q: What region would provide cell type-specific expression of genes? region  What site would…

A: The mRNA is given in the figure. The mRNA undergoes the process of translation to produce protein.

Q: Provide a detailed description of gene expression and control in prokaryotes. Provide a detailed…

A: Gene expression is the mechanism by which information from a gene is used to create a functioning…

Q: Compare the control of gene regulation in eukaryotes and prokaryotes at the level of initiation of…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: Imagine the same cells as above that has 20,000 molecules of estrogen receptor at the start of your…

A: Estrogen receptor belongs to a nuclear hormone receptor family that is essential for the regulation…

Q: You identify a new transcriptional regulator that binds a known sequence of DNA. You are able to…

A: Identify a new transcriptional regulator that binds a known sequence of DNA.Observe the behavior of…

Q: A loss of function mutation in the gene for the yeast regulatory protein GAL4 causes yeast to grow…

A: Regulatory protein GAL4 GAL4 regulatory protein in a positive regulatory protein. When it binds with…

Q: IPTG Absent IPTG Present B-Galactosidase Permease B- Permease Galactoßsidase + O+ z+ Y+ + IS ot z+…

A: Lac operon is the segment of DNA which consists of regulatory gene (I), promoter gene (P), operator…

Q: Which of the following is true for gene regulation in both bacteria and eukaryotes? Selected answer…

A: Gene regulation refers to the act of activating and deactivating genes. Cells start to perform…

Q: Consider a gene being transcribed at a constant rate k1 and being degraded with first  order…

A: The genetic information from protein synthesis is stored in DNA. This information is copied onto an…

Q: Tryptophan (Trp) attenuation is an extra mechanism of regulation of trp operon when trp level is too…

A: Attenuation is a mechanism of control of the tryptophan (Trp) operon that occurs when the level of…

Q: 15a) Most amino acid biosynthetic operons in prokaryotes have a structure similar to that observed…

A: The tryptophan operon consists of five structural genes: trpE, trpD, trpC, trpB, trpA that codes for…

Q: Termicin is a small antifungal protein in termites that is produced by cells and secreted into…

A: The DNA sequence containing the termicin-encoding gene is transcribed into mRNA in the nucleus of…

Q: enhancer promoter trans-regulatory factor III = III DNA sequences near a gene to regulate its…

A: Gene Regulation :  A crucial biological mechanism known as transcriptional regulation enables a…

Q: What analogies can you draw between transcriptionaltrans-acting factors that activate gene…

A: Introduction Bacteria are common, largely free-living organisms that are often made up of only one…

Q: What effect would inhibitors of histone deacetylases have upon transcription? Group of answer…

A: Introduction :  The protein histones is very alkaline. In eukaryotic cells, they are located in the…

Q: Please study the diagram above on eukaryotic gene expression. In order to provide instructions for…

A: EXPLANATION : Noncoding DNA is also found within most of the eukaryotic genes. Such genes have a…

Q: Trp operon of E. coli is an inducible sytem since it turns on in the presence of tryptophan. In most…

A: DNA codes for proteins, which occur in three stages: replication, transcription, and translation.…

Q: You are teaching a class on the regulation of eukaryotic gene expression. In order to demonstrate…

A:

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.