How gene expression can be turned on oroff according to the functions of differentkinds of cells or physiological needs thatchange over time, such as a temporary needfor breast milk

Q: o what extend does environmental factors on proteins influence gene expression and using the notion…

A: Environmental factors play a crucial role in shaping gene expression, and their impact on human…

Q: For each element in the list that follows, indicate whatkind of molecule it is (DNA, RNA, protein,…

A: The genes CsrA and CsrB are known as the global regulators of suites of target genes that are…

Q: Which of the following is TRUE about eukaryotic gene expression?

A: Eukaryotic Gene Expression is one of the most complex processes because every cell in the body had…

Q: List steps in the process of gene expression thatpotentially could be regulated.

A: Gene expression denotes the process by which the coded genetic material in the double stranded DNA…

Q: Imagine you are a cell and you need to activate ("turn on") a gene as quickly as possible.  What…

A: Gene expression is a tightly regulated process that allows a cell to respond to its changing…

Q: Researchers have successfully used gene therapy toameliorate some human genetic diseases by adding…

A: Gene therapy is a process in which normal copies of genes are introduced into cells, where they can…

Q: Many aspects of gene function can be nicely explained with the one- gene-one-enzyme hypothesis,…

A: Genes are a set of instructions that determine what the organism is like, its appearance, how it…

Q: What is true about positive control of gene expression? O Under positive control, gene expression…

A: When the activity of particular factors has a positive impact on gene expression, this is referred…

Q: eukaryotes control transcription

A: Transcription in the eukaryotic cells is controlled by various ranges of regulation in which the…

Q: Which statement is correct about expression of a gene regulated by Gal4? O Galactose increases gene…

A: In yeast the transcriptional activator GAL4 binds to the upstream activating sequence of the gal…

Q: Which Is not one of the ways that a proto-oncogene can become converted into an oncogene? O…

A: A proto oncogene is a type of gene which is responsible for suppression of tumor example is p53  Its…

Q: Harry Potter speaks parseltongue(he can talk to snakes). Dumbledore explains that this is because…

A: Language is an example of a trait that is learned and developed throughout a lifetime. Language is a…

Q: A protein or RNA that regulates gene expressionin trans—either at the level of transcription,…

A: Trans-acting factors include proteins and RNAs that regulate gene expression in an organism. Their…

Q: (a) Did deletion of any of the possible control elements cause anincrease in reporter gene…

A: Insertion and deletion are naturally processes occurring within the DNA or mRNA sequence for…

Q: What factors called mitogens stim-ulate cultured mammalian cells to proliferate by inducing…

A: Mitogens are biologically active polypeptides that induce cells to start division or increase the…

Q: Let’s suppose an X-linked gene in mice exists as two alleles, whichwe will call B and b.…

A: The females contain two copies of X chromosomes. These copies are derived from the maternal and…

Q: Epigenetic marks regulate gene expression. Which epigenetic mark is NOT associated with positive…

A: Epigenetic marks are chemical modifications that occur on DNA and its associated proteins, known as…

Q: How stress, diet, behavior, toxins, and other factors regulate gene expression.

A: Introduction Gene expression is the process through which information from a gene is used to create…

Q: List the following steps of gene expression in eukaryotes in chronological order. Also indicate…

A: RNA processing refers to the series of events where the pre-mRNA is converted to mature RNA by…

Q: explain which controls over gene expression are likely to be very brief, which may be long lasting,…

A: DNA and RNA are the types of nucleic acids that carry genetic information. DNA is transcribed to…

Q: The method of Northern blotting is used to determine the amountand size of a particular RNA…

A: A gene is a stretch of nucleotides present on a chromosome. It is the region that encodes the…

Q: What region would provide cell type-specific expression of genes? region  What site would…

A: The mRNA is given in the figure. The mRNA undergoes the process of translation to produce protein.

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: 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: Let’s suppose a mutation removes the ICR next to the Igf2 gene. Ifthis mutation is inherited from…

A: Igf2 gene is the Insulin-like growth factor 2 resides on chromosome 11 and is a protein hormone.…

Q: Which level of gene expression regulation is used in eukaryotes, but not bacteria? transcription…

A: Regulation refers to the controlling of the gene expression.

Q: when a product built by the cell induces additional gene expression you have

A: Protein is the ultimate product of the gene expression process. It is a complex process involving…

Q: Which of the following is NOT a reason cells regulate gene expression at a level other than the…

A: Introduction :  A functional gene product is created through the process of gene expression…

Q: Many human cancers result when a normal gene mutates and leads to uncontrolled growth (a tumor).…

A: Introduction  Cancer is a popular disease now a day. In the US, 1 in 2 women and 1 in 3 men develop…

Q: Cells go to great length to correctmistakes in the processes of DNAreplication, transcription,…

A: When Errors in Replication Become Mutations After the next cell division, incorrectly coupled…

Q: a hormone receptor gene is deleted from the genome of a cell.in the absence of the hormone,what…

A: A hormone receptor is a receptor molecule that binds to a specific hormone. These receptors could be…

Q: At which of the following level(s) can gene expression be regulated in eukaryotes?

A: Introduction Gene expression is the process through which information from a gene is used to create…

Q: Which statement explains the result of the process shown in Figure 12 This process generates RNA…

A: Transcription is the process of formation of RNA using DNA as a template and DNA dependent RNA…

Q: How does controlling gene expression alter the overall protein level in the cell

A: The process of gene expression consists of transcription and translation. Transcription is the…

Q: Alternative splicing is a common mechanism for eukaryotes toexpand their repertoire of gene…

A: Eukaryotic genes are composed of exons and introns.

Q: What act in cis to regulate gene expression

A: The information that is present in the deoxyribonucleic acid (DNA) is transferred into the messenger…

Q: Expression of a homeotic gene in the wrong tissue inDrosophila results in the development of an…

A: Homeotic genes or homeobox genes or hox genes are the master regulator genes. They decide the what…