at deal about what aspects of gene expression typical to all organisms? Options:   higher order changes in chromatin affect transcriptional efficiency   that general transcription factors must first bind directly to histone tails and only then can they interact with their cognate binding sites   that DNA methylation is involved in this silencing mechanism   that SIR2 is required for

Q: he Drosophila oocyte/embryos A-F show the expression patterns of various mRNAs.  Which is the…

A: Fruit flies, or Drosophila melanogaster, have led to significant research as model organisms in…

Q: complex process, you decide to draw for the class a typical eukaryotic gene/transcription unit with…

A: PPE stands for a promoter-proximal element which is an additional promoter that contains AT-rich…

Q: What would be the likely phenotypic effect of a mutation in HOTAIR and prevented it from binding to…

A: HOTAIR (HOX antisense intergenic RNA) is a long non-coding RNAs with 6 exons and 2158 nucleotides…

Q: You are studying how gene transcription gets started in eukaryotes. Which of the following…

A: Transcription factors are protein molecules which bind to specific DNA sequences to regulate gene…

Q: Consider the Rho-dependent terminator sequence 5’CCCAGCCCGCCUAAUGAGCGGCCUUUUUUUU-3’. What affect…

A: The mutation is the change in the nucleotide sequence of the DNA. The point mutation is the mutation…

Q: Typically, increased acetylation and decreased methylation of histone N-terminal tails in…

A: Histone acetylation and deacetylation are the processes by which the lysine deposits inside the…

Q: Replacement of histones with variant histones will cause an increase in the compaction of the gell…

A: Answer: Histone : These are the Octameric proteins around which DNA winds to form a structural unit…

Q: Transcriptional regulation relies on chromatin modifications that affect the physical state of…

A: Chromatin  It is a long tread like structure within the chromosomes. It contains DNA and protein.…

Q: name TWO mechanisms of control of gene expression that are only used by eukaryotes and discuss why…

A: The majority of gene expression is regulated at the transcriptional level, owing to protein binding…

Q: What event in eukaryotes serves as the "trigger" for entering the elongation phase of transcription…

A: Transcription occurs in the three steps—initiation, elongation, and termination. The elongation…

Q: Which of the following is NOT a property of general tra ripion O Each eukaryotic gene utilizes a…

A: Transcription factors are proteins that play a crucial role in regulating gene expression. They bind…

Q: Suppose you want to study the transcription in vitro of one particular gene in a DNA molecule that…

A: Transcription is the first step in gene expression during which the nucleotide sequence of DNA is…

Q: Most eukaryotic promoters have binding sites for several different transcription factors, and the…

A: In bioinformatics, incorporating preexisting route information into microarray data has become a…

Q: A loss of function mutation in the gene for the yeast regulatory protein GAL4 causes yeast to grow…

A: Regulatory protein GAL4 GAL4 regulatory protein in a positive regulatory protein. When it binds with…

Q: c) You use chromatin immunoprecipitation to measure the location and amount of transcription factors…

A: Transcription factors are protein molecules which bind to specific DNA sequences to regulate gene…

Q: According to the scenario shown, how many segments of DNA (one, two, or three) are removed during…

A: Genetics is the branch of biology which deals with genes, heredity, and genome in the organism.…

Q: Regulation of gene expression in eukaryotes can occur:

A: Transcription is the formation of mRNA from DNA.It occurs in nucleus. The translation is the…

Q: Which of the following are ways in which transcriptional repressors can function in eukaryotes?…

A: Enhancers are DNA regulatory elements that can enhance or increase the transcription of genes.…

Q: According to the Jacob-Monod model of regulation of gene transcription in bacteria, the DNA sequence…

A: Q.Explanation:- Lac operon is a concept that controls the transcription in prokaryotic cells such as…

Q: Which of the following mode of gene regulation CANNOT be regarded as "transcriptional regulation"…

A:

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: eukaryotic cells, which of the following is typical of how transcription is regulated? Group of…

A: A regulatory gene is a gene involved in controlling expression of one or more genes . It can…

Q: List and describe four mechanisms used during eukaryotic regulation of gene expression that are NOT…

A: Eukaryotes means those organisms which has true nucleus(true nuclear envelope)while prokaryotes have…

Q: Which of the following accurately describes the function of HOTAIR? O It is a long non-coding RNA…

A: Option 1 is the correct answer.

Q: A disease is caused by having no functional protein produced from the kip gene. An individual has…

A: Mutations are alterations in the DNA sequence of an organism. Small changes, such as adding or…

Q: A translocation mutation results in a silencer being inserted just upstream of the promoter of a…

A: When a repressor protein binds to the silencer region of DNA,  polymerase is prevented from…

Food Microbiology

The subdivision of microbiology that deals with the interaction between microbes and food particles are called food microbiology. This scientific study incorporates both beneficial and harmful microbes and their effect on the food production, food storage, and health of human beings.