Q: Explain the role of mRNA, tRNA, and rRNA in geneexpression.
A: The transcription is the process in which the mRNA copied information from DNA for protein…
Q: Contrast gene paralogs with gene orthologs.
A: The functional and structural unit of inheritance is a gene. These are composed of DNA. There are…
Q: Describe genomic imprinting
A: Gene is a functional unit of heredity. A gene is a sequence of nucleotides in genome that codes for…
Q: Describe how reversible chemical changes to histones are linked to chromatin modification.
A: Histones are basic proteins associated with DNA in the nucleus and allow it to condense in chromatin…
Q: In what types of cells would you expect de novo methylation tooccur? In what cell types would it not…
A: DNA methylation is a biological process that involves addition of methyl groups to the Deoxy…
Q: Briefly describe a summary of the flow of genetic information in cells with diagram.
A: Gene expression is that the method the cell uses to provide the molecule it desires by reading the…
Q: Define about copy number variations (CNVs) ?
A: Genomics is the study of genomes through analysis, sequencing and mapping of genes and non-…
Q: What is the difference between maintenance methylation and de novo methylation? In what cell types…
A: Methylation denotes the addition of methyl groups on a substrate, or substitution of an atom by…
Q: During S phase, how are histonesand their modifying enzymescontrolled to replicate…
A: Cells reproduce by a cycle of growing and dividing called a cell cycle. The cell cycle is the…
Q: Define the Genomic Instability in cancer cells ? What is leads to ?
A: Genes are the elements that holds responsible for various vital functions in the body. Genes are…
Q: Explain how telomerase expression contributes to theimmortality of cancer cells
A: The tumor cells are said to be immortal due to the expression if telomerase enzyme. The telomerase…
Q: When DNA methylation takes place ?
A: Deoxyribonucleic acid (DNA) is a biomolecule found in nearly all living organisms. The structure of…
Q: Explain how genes within the same chromosome vary in theirdirection of transcription
A: When DNA changes into mRNA- known as Transcription, with the help of enzyme RNA polymerases. When…
Q: Explain Gene mapping using deletion chromosomes?
A: Genes are the structural and functional units of heredity that carry coded genetic information in…
Q: Define the Chromatin Remodeling ?
A: Genes are the hereditary unit of an organism. The genes have DNA (deoxyribonucleic acid) which code…
Q: Explain how the nuclear membrane affects geneexpression in eukaryotes.
A: Nuclear membrane, also known as nuclear envelope is the lipid bilayer in eukaryotes that envelopes…
Q: Define about Chromatin Remodeling ?
A: The DNA is packed into the nucleus by using the protein. The chromatin is a DNA- protein complex.…
Q: Differentiate between gene expression inheterochromatic and euchromatic regions
A: Gene expression involves the flow of information to form the target protein. It is the process that…
Q: Explain how changes in chromosome structure may affect gene expression.
A: Chromosomal aberrations are changes in the number and arrangement of genes in the chromosomes. They…
Q: Explain how DNA methylation could be used to regulate gene expression in a tissue-specific way. When…
A: The gene transcribes and translates for producing a protein. This mechanism is known as gene…
Q: Discuss the similarities and differences between X-chromosomeinactivation and genomic imprinting
A: X inactivation refers to the inactivation of all of the genes in one X chromosome in all the somatic…
Q: Explain how paralogs and orthologs are produced
A: Gene is known to be the basic unit of heredity of all life forms. Most animals contain…
Q: Explain the relationship between DNA methylation andgenomic imprinting.
A: There are several inheritance patterns which violate the law of segregation given by Mendel.…
Q: How is chromatin immunoprecipitation used to determine the locations of histone modifications in the…
A: Histone modifications occur through post-translational modifications of residues of amino acids like…
Q: Explain why a cell lineage diagram is necessary to determine if a mutation is heterochronic.
A: Cell lineage means the developmental history of progress of a tissue or any other organ of any…
Q: Explain how a gene in a multicellular organism may produce differentproducts in different types of…
A: Genes code for the amino acid sequence of polypeptides.
Q: Define DNA methylation?
A: The bases are arranged in the DNA (deoxyribonucleic acid) molecule, which carries the genetic…
Q: explain Gene relocation due to transposition
A: Transposition is defined as the phenomenon of the relocation of one gene from one loci to another.…
Q: Describe the function of the centromere. How are centromeres different from other regions of the…
A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…
Q: Describe two different ways that histone modifications may alter chromatin structure.
A: Chromosomes appear at the time of cell division in the form of thread like structures inside the…
Q: explain the statement Transposons can move genes to newchromosomal locations.
A: Transposons are referred to as chromosomal segments which can undergo transposition.
Q: Discuss histones and how methylation and acetylation of DNA and histones can affect the production…
A: Histone modifications are related to the structural changes that mainly happen during the time of…
Q: Which are General Tool for Characterizing Transcriptomes and Their Regulation?
A: The function of a gene can be studied through expression in a particular cell and its interactions…
Q: explain the Molecular Mechanisms That Alter DNASequence
A: DNA is a double-stranded polymer made up of sequence nucleotides that stores the genetic information…
Q: Explain the special mechanism used to replicate chromosome ends
A: End replication problem occurs in the linear eukaryotic chromosomes where the ends of chromosomes…
Q: Explain the fate of transferred chromosomal DNA ifrecombination does not occur in the recipient…
A: Conjugation, transformation, and transduction are the three processes through which a cell can…
Q: Describe how chromatin remodeling complexes allowgene expression to occur.
A: Chromatin remodeling is the reorganization of chromatin from a compressed state to a…
Q: Outline how histone methylation and acetylation affectchromatin structure and gene expression.
A: Gene expression may be done by the transcription of DNA into mRNA and formation of polypeptide…
Q: Explain how DNA methylation could be transmitted by a cis-epigenetic mechanism.
A: DNA methylation is defined as a biological process in which methyl groups will be added to the…
Q: Define copy number variants (CNVs)
A: The chromosomal alteration could be the structural or numerical abnormalities that exist in an…
Q: Outline how histone methylation and acetylation affectchromatin structure
A: Gene expression may be done by the transcription of DNA into mRNA and formation of polypeptide…
Q: Explain the terms "methylase," "methylates" and "methylation"
A: A methyl group contains one carbon atom attached to three hydrogen atoms (-CH3). It is derived from…
Q: Explain what plays a role in gene regulation in some eukaryotes ?
A: Different macromolecules such as carbohydrates, proteins, lipids, nucleic acids are present in the…
Q: Define about telomerase reverse transcriptase (TERT) gene ?
A: Gene is the basic unit of heredity and is the DNA region that codes for a specific protein. The…
Q: Describe how chromatin-remodeling complexes alter nucleosomes.
A: In order to control the gene expression, the regulatory transcription machinery proteins must access…
Q: Describe how reversible chemical changes to DNA and histones are linked to chromatin modification.
A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…
Briefly explain how patterns of DNA methylation are transmitted across
cell divisions.
Step by step
Solved in 2 steps
- Briefly explain how or why making a region of DNA heterochromatic results in little or no expression of genes encoded in that region of the DNA.explain the statement Transposons can move genes to newchromosomal locations.Describe three examples of errors in cellular processes that lead to DNA duplications.