Q: How is Gene Expression Regulated?
A: In the central dogma, the Ribonucleic acid (RNA) is formed from the template of Deoxyribonucleic…
Q: At which level of gene regulation does attenuation occur?
A: Attenuation in gene regulation refers to the control mechanism in the bacterial operon resulting in…
Q: Distinguish between proto-oncogenes and tumorsuppressor genes.
A: The proto-oncogenes are those genes, which promote cell cycle and inhibit apoptosis of the cells.…
Q: How do microRNAs regulate epigenetic mechanisms during development?
A: BASIC INFORMATION MicroRNA It is also written as miRNA These are RNA molecule which are non -…
Q: Describe epigenetic inheritance and provide an example.
A:
Q: Describe how controlling gene expression will alter the overall protein levels in the cell.
A: The cell controls which proteins are expressed and to what level each protein is expressed in the…
Q: Distinguish between proto-oncogenes and tumor suppressor genes?
A: The proto-oncogenes are those genes, which promote the cell cycle and inhibit apoptosis of the…
Q: Explain how epigenetic modifications are involved in developmentalchanges that lead to the formation…
A: Epigenetics can be defined as the study of heritable phenotype changes that do not involve any…
Q: Explain the Role of proto-oncogenes and tumorsuppressor genes ?
A: The inactivation of tumor suppressor genes induces cancers although the activation of the…
Q: How regulation of gene expression can alter gene function?
A: Genes are the structural and functional units of heredity. Genes carry deoxyribonucleic acid (DNA),…
Q: What are the causes affecting by regulation of gene expression?
A: The regulation of genetic expression is likely to influence the phenotypic expression. The…
Q: Explain how Epigenetics are related with Cancer ?
A: Answer- Epigenetics is the change in the gene expression without changing the sequence of the DNA.
Q: Explain the role of epigenetic alterations in cancer ?
A: Genes are the hereditary unit in an organism and are passed on from the parental generation to the…
Q: Why is cytokinesis important during the embryonic development?
A: A series of events that occurs in a cell to make it ready for the division is the cell cycle. There…
Q: gene expression
A: Gene expression is a process in which the genotype of an organism is responsible for producing a…
Q: Pluripotent stem cells (a) lose genetic material during development (b) give rise to many, but not…
A: Pluripotent stem cells are also referred as master stem cells. Such stem cells are able to make all…
Q: Can a fully differentiated human cell be“deprogrammed” to become a stem cell?
A: ANSWER; No... why because embryonic stemcells can be induced to differentiate into any cell type,but…
Q: Are all genes transcribed in differentiated cells?
A: Cellular differentiation is the mechanism by which a cell transformed from one cell type to another.…
Q: Define stem cells, distinguish between embryonic stem cells and pluripotent stem cells, and describe…
A: Answer- Stem cells are specialized cells that can be developed into any type of cell when provided…
Q: Discuss how oncogenes and tumor suppressor genes are related to genes involved in the control of…
A: Tumor suppressor genes are the regular genes present in the genome which are important for the…
Q: How Transcription factors can modulate gene expression ?
A: Transcription is the part of the central dogma which is required to make mRNA copies from the DNA.…
Q: Where are stem cells located in adult animals?
A: Stem cells are multipotent cells that have the ability to differentiate into different types of…
Q: Describe the differences among embryonic, adult, and inducedpluripotent stem cells.
A: Answer: Introduction: Hematopoietic stem cells (HSCs) are multipotent, self-renewing progenitor…
Q: D. In mice, the Igf2 gene inherited from the mother is never expressed in her offspring? Explain.…
A: Determine: How lgt2 Gene inherited from mother never expressed in her offspring. What gene deleted…
Q: What is gene expression? What processes are involved to express a gene in a cell?
A: Genes are known as unit of inheritance as it being component of genetic material. It controls the…
Q: How the gene is expressed in the cell ?
A: Gene - A gene is defined as a polynucleotide chain that consists of segments each controlling a…
Q: What are modifier genes?
A: Genes are the basic structural and functional units of heredity. They are composed of…
Q: How can an enhancer that regulates expression of a given gene be active in one tissue but inactive…
A: Enhancers, also known as transcription factors, are DNA regulatory elements that can be bound by…
Q: Define the Regulation of gene expression in bacteria ?
A: All the cells contain genes in them. Genes carry the information on hereditary material. Genes are…
Q: What is a disadvantage of adult stem cells over embryonic stem cells?
A: Special human cells that have the capability to develop into wide-ranging types of cells in the…
Q: How can three transcription regulators during development create eight different cell types?
A: The expression of genes is regulated mostly at the promoter of the genes by the transcription…
Q: WHAT IS THE IMPORTANCE OF GENE EXPRESSION DURING DIFFERENTIATION?
A:
Q: How do stem cells retain this capacity, and can we harness it to cure debilitating diseases?
A: Stem cells: Stem cells are the cells that have the potential to develop into different types in the…
Q: Explain how does the hnRNA becomes the Mrna?
A: DNA contains the instructions for protein synthesis. Proteins in turn determine structure and…
Q: How are tissue-specific transcription factors regulated? Identify three different ways
A: Transcription factors are the type of proteins that bind to the specific sites in the DNA and…
Q: How is genetic expression regulated?
A: Genetic expression is also known as gene expression. It is the process of the transfer of…
Q: Describe the construction of knockout mice?
A: A knockout mice is a special type of mouse which is genetically modified in which scientists have…
Q: "Transcriptome Analysis Reveals Profiles of Expressed Genes in Cellsand Tissues". Define this ?
A: Transcriptome analysis is the study of the transcriptome using high-throughput methods, such as…
Q: Is it moral to do stem cell research on embryos? Cite moral and ethical reasons, can you give an…
A: Stem cells are a mass of undifferentiated cells. Undifferentiated means that they have not yet…
Q: Explain how epigenetic changes can contribute to tumorigenesis.
A: Tumors are clumps of cells formed by uncontrollable cell division. Tumorigenesis is the uncontrolled…
Q: Distinguish between genetic and epigenetic influences on development.
A: Various environmental factors also affect genes, their study is known as Epigenetics. Environment…
Q: What Control ElementsRegulate Expression ofthe mPGES-1 Gene?
A: The mPGES-1 gene in humans is responsible for encoding an enzyme involved in the synthesis of…
Q: What is gene targeting in embryonic stem cells?
A: Introduction Gene targeting in the embryonic stem cells through homologous recombination techniques…
Q: What advantage do iPS cells have over traditional embryonic stem cells?
A: Induced pluripotent cells (iPS) are somatic cells that have been reconstructed to act like an ES…
Q: Do mutations that cause cancer in an individual pass down to his/her offspring? What is the role of…
A: Cancer is the umbrella term for a group of diseases. Any of the body's cells begin to divide without…
Q: Explain Mutations in tumor-suppressor genes are recessive at the cellular level but dominant at the…
A: Cancer is a group of diseases involving abnormal growth of cells, which tend to proliferate in an…
explain gene targeting in embryonic stem cells?
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- Please explain the role of gene expression in the process of a stem cell differentiating into a neuron rather than a liver cell. Hint: use the terms "serial activation of a subset of genes" and "master regulatory gene".Could you please describe the general appearance, distribution, and abundance of stem cells in an adult mammal? Thank youName three potential sources of stem cells.
- How are tissue-specific transcription factors regulated? Identify three different waysexamine the process of gene expression. Include the following: Explain the regulation of gene expression in eukaryotic cells. Discuss mechanisms by which gene expression may be altered. How do these alterations induce cancer-causing mutations in cell DNA? Explain how cancer is formed. Describe genetic changes found in cancer cells and how these changes lead to alterations in cell behavior. Determine whether proteome data can be utilized in genetic disorder diagnosis. Relate the Human Genome Project data to the analysis of cancer genes. Relates the Human Genome Project's utility in pharmacogenomics and personalized medicine to diagnose and treat cancerWhat are stem cells, and what safety mechanism protects them from mutation?
- Regulation of gene expression is necessary because: A) all cells do not need to express all genes B) all genes must be expressed in all cells C) some cells express all genes D) some genes must be expressed in all cellsWhat is gene expression? What processes are involved to express a gene in a cell?What kind(s) of cells can develop from totipotent stem cell?