Define epigenetics and discuss the role of modifications to DNA and histone proteins in controlling gene expression and determining cell type.

Q: Define epigenetic inheritance

A: Epignetic markers in the cell occurs in the form of DNA methylation, histone tail modifications like…

Q: Define histone variant, and explain why histone variants are functionally important.

A: A complex of macromolecules consisting of DNA (deoxyribonucleic acid), RNA (ribonucleic acid), and…

Q: Explain Phenotypes of mutations in genes encoding transcription factors.

A: Some genetic disorders caused by mutation in genes encoding components of the transcriptional…

Q: Explain how epigenetics demonstrates the influence of the environment on phenotype or gene…

A: Epigenetics: The study of how our behaviour and environment reflect changes in the genetic…

Q: Define epigenetics. Are all epigenetic changes passed from parentto offspring? Explain.

A: Genes carry coded genetic information in the form of specific nucleotide sequences. This specific…

Q: Describe epigenetic inheritance and provide an example.

A:

Q: Define epigenetic code.

A: Epigenetics is the study of heritable phenotype variations that do not include changes in the DNA…

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: List and briefly describe five types of molecular mechanisms thatmay underlie epigenetic gene…

A: A gene is a stretch of nucleotides present in the DNA. DNA or deoxyribonucleic acid is a polymer of…

Q: Distinguish between general and regulatory transcription factors.

A: The transcription factors are protein that controls the transcription rate of genetic information…

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: Define epigenetics. Write about epigenetic modification.

A: Epigenetics is the study of how behaviour and environment may influence gene function.

Q: describe Threshold effects in gene regulation

A: A gene is a short stretch of nucleotides present on a chromosome or DNA molecule, that codes for the…

Q: Epigenetics: Explain how two genetically identical twins are not really identical.

A: The monozygotic twins formed due to the splitting of a fertilized egg are also known as identical…

Q: Explain why cells need to control gene expression.

A: Gene expression is the process in which the functional gene is produced by the gene containing…

Q: Explain the importance of transcription factors.

A: Proteins that control gene transcription, i.e. their copying into RNA, are transcription factors on…

Q: Define an epigenetic phenomenon.

A: Epigenetic phenomena are those phenomena in which heritable phenotypic changes are observed but does…

Q: Describe the usual flow of genetic information in a cell.

A: Central dogma Describes the flow of genetic information from DNA to RNA to proteins. RNA…

Q: Define the following terms: a. epigenetics b. CpG island c. epimutation d. DNA methylation e.…

A: Definitions are explained.

Q: Explain the epigenetic mechanisms that underpin gene expression  provide detail examples

A: Asked : Epigenetic mechanisms that underpin gene expression  Epigenetic mechanisms are regulators of…

Q: Define the epigenetic mechanisms - regulation of gene expression by noncoding RNA molecules ?

A: Epigenetics is the study of inherited changes in phenotype (appearance) or gene expression that are…

Q: Distinguish between cis- and trans-epigenetic mechanismsthat maintain epigenetic changes.

A: Epigenetics is the study of heritable changes in gene expression (active versus inactive genes) that…

Q: Give an example of an epigenetic effect of diet on metabolism.

A: Epigenetics is the study involving the study of heritable changes that occur in gene expression…

Q: Briefly explain how different modifications of histone protein affects the epigenetics of a gene

A: Epigenetics is the study of the gene in which DNA sequence does not change. The epigenetic change…

Q: Explain circadian rhythms in terms of gene expression.

A: " ANSWER  Circadian rhythms Are powered with the aid of an intrinsic timing machine this is…

Q: Explain how regulation of gene expression can altergene function

A: Genes are the structural and functional units of heredity. Genes carry deoxy ribo nucleic acid…

Q: Differentiate epigenesis and preformation

A:

Q: Sequence the flow of genetic information in the cell

A: A cell is the basic unit of life. Most cells are complete in themselves such that they carry all the…

Q: Name six different levels at which gene expression might be controlled.

A: The encoding of proteins by a gene that regulates cellular functions is known as gene expression.…

Q: What is the relation between OR gene expression and the individual neuron?

A: Genes are responsible for encoding proteins which are essential for development and growth of neural…

Q: Explain how a transcription factor ultimately determines whether or not a protein will be present in…

A: There are different molecules in the cell. But DNA is the only molecule capable of transferring…

Q: Describe ways to achieve post-transcriptional control of gene expression

A: Transcription is the process in which RNA is transcribed with the help of the DNA template. In the…

Q: Define epigenetics

A: Biology is concerned with the study of life. It deals with the structure, function, growth, origin,…

Q: explain  DNA methylation in gene expression Provide examples

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

Q: Describe how genetic information is duplicated, transferred, and expressed.

A: The cell possesses genetic material,  which is in the form of DNA and RNA, which act in hereditary…

Q: Explain how epigenetics is related to the expression:phenotype = genotype + environment.

A: The phenotypic patterns observed in many organisms contradict what would normally be expected by…

Q: Explain the process of transcription, including the location, processes, and molecules involved.

A: Transcription is the first of several steps of DNA based gene expression in which a particular…

Q: Discuss the relationship between genes and phenotype in terms of gene expression and the symptoms…

A: Units of inheritance are called genes. Genes are the DNA regions that encode proteins. Each gene…

Q: Contrast histone and nonhistone proteins in terms ofstructure and function.

A:

Q: . Define reading frame and discuss its significance to thegenetic code.

A: DNA stands for deoxyribonucleic acid. It is a genetic material that passes from parents to…

Q: Explain about Regulation of gene expression.

A: Introduction There are two key components which help in gene regulation Activators Repressors The…

Q: Epigenetic phenomena involve DNA methylation and a) gene inversions Ob) chromosomal rearrangements…

A: DNA methylation and histone acetylation controls epigenetic modifications through a reciprocal…

Q: Explain the theory of epigenesis

A: Developmental biology is the branch of biology that deals with the processes involved in the growth…

Q: Explain the concept of Gene Expression Is Regulated by mRNA Stability and Degradation ?

A: Introduction: The control of Gene expression in a eukaryotic cell is done by various levels of…

Q: Define epigenetics and epigenetics inheritance.

A: The study of hereditary mechanisms is called genetics. The study of various changes caused by…

Q: Explain how epigenetic changes may be targeted to specific genes.

A: Epigenetics changes are the heritable changes in phenotype i.e. the gene expression without…