regulation of gene expression.
Q: MAKE CONNECTIONS How is ligand binding similarto the process of allosteric regulation of…
A: Ligands are the molecules that bind to a receptor and change the confirmation of the receptor. It…
Q: Q.4. What is an operon? Explain an inducible operon.
A: An operon is a functional unit of DNA that contains a cluster of genes that are all controlled by a…
Q: Q.14.How is Biotechnology useful in developing food crops and in agriculture process
A: Agricultural biotechnology encompasses a variety of strategies, includes conventional breeding,…
Q: Q1. Considering how readily RNA folds to form secondary structure, why isn't it used to store…
A: RNA has several functions in biological operations, and our understanding of its significance is…
Q: Summarize how CAP, cAMP, and the lac repressor work together to cause diauxic growth as well as…
A: In genetics, an associate operon could be a functioning unit of polymer containing a group of genes…
Q: / There are similarities and differences during regulation of gene expression in both prokaryotes…
A: Gene regulation: It is the process in which the expression of gene are stop or represses by some…
Q: WHAT IF? The researchers needed further evidence, so they injectedbicoid mRNA into the anterior end…
A: Bicoid is a morphogen. It stimulates the development of anterior structures by binding to regulatory…
Q: Q.No.6 Northern blotting is used to determine the amount and size of a particular RNA transcribed in…
A: Among a mixture of diverse RNA, through the northern blot transfer technique, specific RNA sequences…
Q: Q.15. What are the different types of biotechnology?
A: Because of the broad scope of biotechnology, it has become necessary to categorise biotech products…
Q: Q.Consider this problem: You are working in the lab to study the pattern of paralysis and candidate…
A: 5'- GTA GCA TTT AAG CTT CAG TCC AAG - 3' met thr phe glu ile gln ser…
Q: Q1: What common mechanism is employed by the guide RNA to find its target DNA sequence? Q2: How many…
A: In molecular biology, DNA is called as Deoxyribonucleic acid and RNA is called as Ribonucleic acid.…
Q: Describe the main players involved in the process of translation. proper explanation and diagram
A: Translation is a process in which a single stranded RNA sequence formed at the end of transcription…
Q: WHAT IF? Suggest possible functions of the genes whose sequenceor expression was altered as the…
A: Divergent adaptation is a process that causes the divergence of an organism from its original form…
Q: Q21. What regulators of gene expression bind the lac promoter region if E. coli is grown in media…
A: In the absence of lactose the repressor binds to the operator sequence adjacent to the promoter and…
Q: 5 Describe the roles of GAP and GEF in activating GTPases?
A: GAP stands for GTPase activating proteins. GEF stands for Guanine nucleotide exchange factors .
Q: MAKE CONNECTIONS Compare the CRISPR-Cas systemto the miRNA system discussed in Concept 18.3,…
A: CRISPR proteins form an enzyme called Cas9 enzyme the function of which is on recognizing the target…
Q: VISUAL SKILLS Describe what happens to the trp operon as the cell usesup its store of tryptophan
A: An operon is a group of genes and the promoter, including some more regulatory sequences. These…
Q: Q.4. a) How are mutations beneficial for plant breeding? Discuss with an example b) Explain in brief…
A: a) It is possible to artificially induce mutations in plants through the use of radiation (gamma…
Q: List four key genetic features that a plasmid needs to be maintained in the bacterial cells and to…
A: Plasmids are small, usually circular molecules of DNA that are physically separated from chromosomal…
Q: ACTIVITY 3.2. Directions: Compare and Contrast Conventional Agriculture and Use of Genetic…
A: Conventional agriculture: It is the type of agricultural practice which has started from a long…
Q: QUESTI ON 6 Although observations and experimental results implicate nAG in salamander limb…
A: The adult salamander has limb cells that regenerate. The limb regeneration in the salamander depends…
Q: Research 3-5 examples of GMOs. Introduce these GMOs and cite their purpose and the reasons why they…
A: A genetically modified organism (GMO) is an animal, plant, or microbe whose DNA has been altered…
Q: Q5 /Early termination via premature transcriptional termination (PTT) provides another level of…
A: Introduction :- Transcription is the process in living cells in which the genetic information of DNA…
Q: transcription
A: As likeprokaryotic cells, the transcription of genes in eukaryotes requires the action of an RNA…
Q: Using the skills you learnt in the DNA Analysis tutorial, correctly identify the gene and species of…
A: In various fields of biology, DNA sequencing is performed. So to identify the organism from huge…
Q: Q1. (Shown below is the structure of a Drosophila gene, divided into 10 segments, designated A-J.…
A: The two steps of gene expression are transcription and translation. After transcription, the primary…
Q: Review 21.4. Match the term and its description. Each term can only be used once. collections of two…
A: The given question is match the following type where description related to a particular term has…
Q: Q.1) What is COVID - 19? Do a concise, but comprehensive write up on COVID-19, including its social…
A: A virus is a submicroscopic infectious particle that replicates only inside the living cells of an…
Q: What are specific proteins that might be targeted for up or down regulated adsorption when designing…
A: Introduction: Biological implantation can be simply described as the replacement of biological…
Q: Q6. The bacterium Rhizobium radiobacter is well known to biologists because it has the rather…
A: Genetic engineering is the process of altering an organism's genetic composition using recombinant…
Q: When dsRNA is treated with Dicer enzyme siRNA and miRNA’s are produced. What role they will play in…
A: siRNA is a type of double stranded short sequence rna which is non coding and take part in RNA…
Q: Q. Describe the different methods the cells use to restrict proteins to specific regions of the…
A: Biological membranes are divided into specific functional areas with distinct compositions that can…
Q: Measuring gene expression of a reporter gene (e.g. gfp) under the control of an unknown promoter…
A: A promoter is the gene sequence that serves as a site for the binding of RNA polymerase.
Q: WHAT IF? In Figure 18.17b, the lower cell is synthesizingsignaling molecules, whereas the upper cell…
A: Cytoplasmic determinants are crucial during the embryo development.
Q: Q1) What does the Bt gene do? Why would farmers want to add this gene to crops?
A: Bacillus thuringiensis (Bt) is a bacteria that lives in soil. When ingested, it creates proteins…
Q: Q How can quorum sensing be considered a regulatorymechanism for conserving cell resources?
A: Quorum sensing (QS) is the bacterial communication system that uses ‘inducers’ as the signalling…
Q: Q2. You would like to win an argument against your friend, who states that COVID is "just like the…
A: Covid 19 is caused by a RNA virus named corona virus. A virus causes disease by incorporating its…
Q: Reflect on this "Gene therapy is still in its infancy, but its believe that as it matures, it will…
A: Gene therapy is a technique that is used to modify a person’s genes in order to treat or cure…
Q: Provide the citation for the reference to the method used to measure DNA content of yeast cells in…
A: Ling M, Merante F, Robinson BH : A rapid and reliable DNA preparation method for screening…
Q: Summarize the roles of SH2 and SH3 domains, Ras, GTP, and protein kinasesin transmitting a signal…
A: Receptor tyrosine kinase: It is very important and high affinity cell surface receptor for…
Q3
Justify the importance of lac operon envisioned in the molecular regulation of gene expression.
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Solved in 2 steps
- Q1. Genome-wide RNAi screens target expression of > 16,000 genes. Explain how each of these 16,000+ bacterial strains would be engineered in order that they only cause gene silencing of the intended target.Explain how targeted gene silencing and knockout mutations can give insights into the functions of a gene.Q1 a) List four key genetic features that a plasmid needs to be maintained in the bacterial cells and to measure gene expression of an acid inducible promoter driving GFP expression. b)
- Q. Write down the importance of post transcriptional modifications? Write in 5 to 6 points with least plagirism in ur own wordsWHAT IF? Suppose X-rays caused a sequence changein the TATA box of a particular gene’s promoter. Howwould that affect transcription of the gene? (SeeFigure 17.9.)Q.4:Describe the main players involved in the process of translation. proper explanation and diagram
- Q Measuring gene expression of a reporter gene (e.g. gfp) under the control of an unknown promoter could be used to?Q. How expression systems can be developed to purify the protein of interest?Q1. Predict the effects (on translation of coat gene and replicase gene) of the following mutations on phage R17 coat gene and replicase gene translation and explain the logic of your answers: a. An amber mutation (premature stop codon) six codons downstream of the coat gene initiation codon. b. Mutations in the stem loop around the coat gene initiation codon that weakens the base-pairing in the stem loop. c. Mutations in the interior of the replicase gene that cause it to base-pair with the coat gene initiation codon.
- Q1 There are similarities and differences during regulation of gene expression in both prokaryotes and eukaryotes. Promoters, transcription factors and RNA polymerase are essential elements in transcription but their properties and function may differ. b) Hypothesize the transcription of eukaryotic genes using prokaryotic promoter with further explanation.Explain how you would compare the expression of a gene in a cancer cell and a normal cell using qPCR, a DNA chip, and RNA-seq analysis.Q1. Bioluminescence is emitted by the marine bacterium Vibrio fischeri in response to the concentration of a chemical signal. The luxCDABEG genes form part of an operon that encodes all of the structural components necessary for light production. At high cell density, the concentration of the inducer increases and can bind to LuxR protein which then activates transcription of the operon. What kind of operon is the Lux operon? [Positive Inducible, Positive Repressible, Negative Inducible, Negative Repressible?] Q2. A population of bacteria has a Lux operon that produces bioluminesence via an autoinducer that activates a transcription factor. You grow a flask of cells that have a loss-of-function mutation in the gene that encodes the enzyme that produces an autoinducer. What is the predicted bioluminesence in this population at high and low density?