Concentration (%)A researcher is studying environmental conditions that cause the expression ofgenes that ultimately affects the phenotype. The following schematic diagramdepicts the researcher's findings regarding the expression of gene Z (4 points):RegulatorygeneDNAlaclMRNA5PromoterOperatorGeneZRNApolymeraseProteinActiverepressorIn his research, the scientist determined that the active repressor expression wasdetermined by environmental pH levels. In his investigation, he obtained thefollowing data:Concentration of active repressor at specific pH12108164212Concentration (%)1 2 3 4 5 6 7 8 9 10 11 12 13 14pHAccording to the data obtained by the researcher, predict which of the followingenvironmental conditions is mostly likely to cause the expression of the gene Z?Strong acid (pH 2)Neutral (pH 7)Mild base (pH 8)○ Strong base (pH 12)

We analyze the correlation between pH values and active repressor concentration to identify the…

Answered: Concentration (%) A researcher is…

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter10: From Proteins To Phenotypes

Section: Chapter Questions

Problem 13QP: Suppose that in the formation of phenylalanine hydroxylase mRNA, the exons of the pre-mRNA fail to...

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This is the full question.. "Both the cytokinin receptor encoded by CRE1 and the ethylene receptor encoded by ETR1 are examples of" Both the cytokinin receptor encoded by CRE1 and the ethylene receptor encoded by ETR1 are examples of O Leucine-rich repeat receptor kinase • The response regulator component of a two-component sensor histidine kinase (i.e., the component that directly activates transcription (type B ARRS, in the case of cytokinin) or directly mediates a response (type A ARRS)) O Regulatory molecules that bind calcium O The sensor histidine kinase component of a two-component sensor histidine kinase (i.e., the part that receives the signal and passes it to other components of the signal transduction cascade) O Proteins that shuttle from the cytoplasm to the nucleus to alter gene expression
Some elongation factors are evolutionarily related to the G-proteins involved in signal transduction. Provide a possible reason why this is the case.
Expression of the muscle specific protein dystrophin is important in the functional formation of muscle tissue by integrating the internal cytoskeleton through a transmembrane complex with the extracellular matrix. aiding transcription factors in entry into the muscle cells nucleus degrading non-muscle cell proteins. none of these
Explain how catabolite repression depends on an activatorprotein
Attenuation affects anabolic pathways, whereas repression affects either anabolic or catabolic pathways. Provide an explanation for this
Wilms tumor 1, or nephroblastoma, is caused by mutations in the WT1 gene, which encodes a transcription factor. You have identified a novel variant in WT1: Arg422Pro. You have control cells and cells that have been engineered to carry the homozygous WT1 p.Arg422Pro mutation. You want to assess effects of this mutation on a variety of endpoints. For each endpoint listed below, choose the one technique is best suited to answer the question. Choose from: array CGH, qRT-PCR, qPCR, RNA-seq, FISH, in situ hybridization, western blot, immunostaining, WT1 ChIP-seq, WT1 ChIP-PCR, ATAC-seq, 3C Endpoint Technique? WT1 protein amount (quantitative) Western blot WT1 protein binding to all enhancers, genome-wide Chip-seq WT1 mRNA amount (quantitative) WT1 protein subcellular localization Quantitative assessment of all mRNAs in these cells (genome-wide) RNAseq Chromatin interactions between a specific WT1 chromatin binding site (identified above)…
Increased ROS levels are a hallmark for Alzheimer's Disease. This is accurately described by all but which of the following statements? ROS production is upregulated because of the activity of the enzyme NADPH oxidase Oxidative phosphorylation is increased, leading to enhanced ROS generation via the ETC Amyloid precursor protein is converted in higher amounts to the amyloid peptide facilitating greater amounts of aggregation BACE1 levels are transcriptionally increased via hypoxia inducible factor Mitochondrial pyruvate flux is reduced 00000
The PYK gene codes for the expression of pyruvate kinase, which is one of the enzymestargeted for anti-cancer drug design. You have identified an RNAi that targets the mRNAof PYK gene. To study the effect of the RNAi towards pyruvate kinase, the respected RNAiis expressed in Saccharomyces cerevisiae. The level of pyruvate kinase can be detectedwith a fluorescent antibody.(a). Predict the result that you will obtain in recombinant S. cerevisiae that expresses therespected RNAi.(b). Compare the result in Q3a(i) with the wild-type S. cerevisiae.
Enhancer RPA Gene A Use the diagram above, which depicts a chromosomal region less than 500,000 bp, to determine the expression of each gene under the scenarios specified in the table. Regulatory promoters are indicated by "RP". Genes A, B, and C have intermediate expression when no regulatory proteins are bound. Complete the table by choosing high, intermediate, or low to describe the expression level of each gene under each specified scenario (i and ii). No regulatory proteins bound (i) A repressor binds to RPA and an activator binds to RPC (ii) A regulatory protein binds at each of the activator, insulator, and silencer. Expression of A? Intermediate 1. [Select] 4. [Select] Insulator RPB Expression of B? 2. Gene B Intermediate 5. [Select] [Select] Silencer RPC Expression of C? 3. Gene C Intermediate 6. [Select] [Select]
What would you expect krox20 expression to look like in embryos treated with an RA inhibitor? Why? Strictly no plagiarism.
Polypeptides with the ER Signal Sequence (MMSFVSLLLVGILFTATEAEQLTKCEVFQ <- one-letter amino acid abbreviations) are targeted to the ER The ER Retrieval tag (KDEL) causes proteins to remain in the ER Protein Q has both an ER signal sequence and the ER retrieval tag.
High salt concentrations tend to cause protein aggregation. Suggest a way to identify proteins normally expressed in particular bacterial species that can retain their solubility despite high salt conditions.

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