Explain how the location of a small-scale mutation in thegenome can determine the effect it has on the functions ofa cell.

Q: What types of genetic activities occur during interphase? Explainwhy these activities cannot occur…

A: Interphase comprises of G1 phase (Gap 1), S phase(synthesis) and G2 phase(Gap 2). During this phase,…

Q: Summarize the sequence of events that occurs duringgene expression

A: Introduction:Two main stages are there at which gene is expressed: transcription and translation.…

Q: Explain how prophase I and metaphase I introduce variation.

A: Meiosis is a type of cell division in which in which number of chromosome is reduced to half. It is…

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: B. Does evervone have a copy of this gene? Explain vour answer.

A: Only b part of the question has been asked which is explained in the following step. APP: It is the…

Q: Describe how oocyte nuclear transfer can be used toprevent the transmission of mitochondrial…

A: The mitochondrial replacement therapy in short the MRT is used when the mother (female parent)…

Q: Explain how DNA methylation can regulate gene expression in a tissue-specific way. When and where…

A: Introduction  Expression of gene is highly under control by various mechanisms such as histone…

Q: Identify the various means of gene regulation, and tellwhy they are important to homeostasis.

A: Gene regulation is turning genes on and off to follow particular course of development. This also…

Q: Summarize the sequence of events that occur duringgene expression.

A: Genes are defined as the hereditary units which can be transmitted from one generation to the next…

Q: Define replicativesenescence.

A: The gradual degradation of functional characteristics of either cells or the whole organism is known…

Q: The process of cell modification from a generalized cell to one that performs a specific task is…

A: Recombinant DNA or rDNA is a technology used to cut and join two or more DNA sequences of interest…

Q: IS most suppressor gene that is often mutated in human cancers.

A: Tumor suppressor genes are also known as anti oncogenes because they regulate the cell cycle during…

Q: Positional information may provide a cue for a cell to a. divide. b. migrate. c. differentiate. d.…

A: Cell is a basic membrane-bound unit and it is often called as the basic building blocks of all…

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: State the concept of Isolation of the Repressor ?

A: Jacob and Monod propose a negative control strategy in which certain genes, called regulatory genes,…

Q: Would the relative position where a transcription factor or an activator/repressor binds DNA be the…

A: Transcription occurs inside the nucleus and it require the presence of enzyme rna polymerase and in…

Q: What would you expect to happen in a cell that had mutations in Mad/Bub proteins that prevented…

A:

Q: describe some ways that a gene can be turned on oroff;

A: Genes are DNA  sequences which forms the basic physical and functional unit of hereditary. Genes…

Q: How can environmental agents that do not cause gene mutationscontribute to cancer? Would these…

A: A gene is a particular sequence of nucleotides in RNA or DNA that is generally located on a…

Q: write a short paragrpah that summarizes the roles of protooncogens, oncogenes, and tumor suprresor…

A: Protooncogenes are the genes in which certain mutations make them oncogenic and causes cancer. Ras…

Q: Describe the process of cloning by somatic cell nuclear transfer?

A: Cloning by somatic cell nuclear transfer Cloning refers to the making of an identical copy. DNA…

Q: A chaperone comes into play ina. the folding of a new protein into itstertiary structure.b. keeping…

A: Chaperone:                In molecular biology, the proteins that assist the conformational folding…

Q: Explain the advantage of the systems biology approachto studying cancer versus the approach of…

A: System biology is used in the preparation of complex biological systems based on the interactions…

Q: With the aid of diagrams, and using specific examples, describe how gene expression is regulated in…

A: Transcription Is the process of formation of mRNA from DNA and this happens in the cytoplasm of the…

Q: During mammalian reproductive cloning, _________ is fusedwith __________.a. a somatic cell, a stem…

A: Cloning is the process of production of genetically identical organisms. The genetically identical…

Q: explain Mapping of  genes by generalized transduction

A: The mapping and the linkage of genes of the bacterial chromosomes are studied with the help of…

Q: Explain how two different cell types from the same organism will have identical genomes but may have…

A: The stable genome structure, the highly dynamic interactome represents a major challenge for…

Q: Describe what must happen for a cell type-specific gene to be transcribed in a cell of that type.

A: DNA is deoxyribonucleic acid, and it is the molecule that contains the genetic instructions housed…

Q: Explain whether a cancercausing mutation in a tumorsuppressor gene, such as p53,is more likely to be…

A: Tumor suppressor gene regulates a cell during the cell division and replication. If cells grows…

Q: How do the λ repressor and the cro protein affect the transcriptionfrom PR and PRM? Explain where…

A: Two major paths exist for viral life cycles: lytic and lysogenic. Infections that lead directly to…

Q: A. Describe the location of the following: Desonipe the location Chromosome 2 Depxynbonucieic Acid…

A: The study of the structure, function, and behaviour of cells is known as cell biology. Cells are the…

Q: what are implications of gene transfer from organellargenomes to the nucleus

A: Organellar genomes are the genomes of chloroplasts and mitochondria which have circular chromosomes.…

Q: Explain the impact spontaneous mutation of the gene minE in an Escherichia coli bacterium would have…

A: E. coli is a Gram-negative anaerobic rod-shaped bacteria. This bacterium is widespread in the lower…

Q: Discuss the reasons why scientists create artificialchromosomes.

A: Artificial chromosomes are synthetic chromosomes which are composed of DNA fragments integrated into…

Q: What kind(s) of cells can develop from totipotent stem cell?

A: In living organisms, the formation and the development of all the cells and tissues got initiated by…

Q: Describe different techniques that mightrestore p53 to a cell lacking it.

A: Introduction: Proteins are major macromolecules that perform various roles in the living body. p53…

Q: How would you distinguish a stem cell B at DNA level?

A: Stem cells are a type of cell that have the ability to self-renew or regenerate themselves. This…

Q: Describe one way of mapping the location of histones on the gencome.

A: The DNA in a eukaryotic cell's nucleus is bundled into chromatin, whose fundamental building block,…

Q: In the central principal of biology information flows from DNA to RNA to proteins. describe two…

A: DNA contains both coding and non-coding region where introns are non-coding regions and exons are…

Q: genes carry infromtion that determines

A: Nucleic acids are the hereditary material of the organisms. DNA and RNA are the two types of Nucleic…

Q: What types of behaviours or environmental circumstances can lead to changes in an individual’s…

A: Introduction :- The epigenome is a collection of chemical molecules that alter or mark the genome in…

Q: Distinguish between mutations in somatic cells versus in germ cells.

A: A mutation is a alteration in the sequence of DNA  of an organism. Mutations are caused by…

Q: The process involving signals being sent between a cell interacting with one or more cells close by,…

A: Cell signalling is the process in which cell catch up the stimulus from the external environment…

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…

Q: Do you think MinCDE functions in coccoid-shaped cells? Explain your answer

A: The Min System mechanism is based on composition of three proteins viz. MinC, MinD and MinE. This…

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.