What would be your experimental strategy and the lab materials required to clone the complementary human gene using a mammalian gene in conjunction with PCR
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What would be your experimental strategy and the lab materials required to clone the complementary human gene using a mammalian gene in conjunction with PCR?
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- There are many PCR techniques available to suit the needs of all researchers in their laboratory task. (i) (ii) What is the major difference in the functions performed by the conventional PCR and real time PCR? Shania is planning to study the gene expression of Escherichia coli after a drug- treatment. She needs to decide between two types of chemistries to detect her PCR products (TaqMan Chemistry vs. SYBR Chemistry) using real-time PCR instruments. Compare and contrast between TaqMan Chemistry and SYBR Chemistry.What are some important safety and ethical issues raised by this use of recombinant DNA technology?What are the advantages and disadvantages of microarraytechnology compared to sequencing PCR products?
- You just graduated from college and started working at a biotech startup called Scrofabulous. Your first job assignment is to clone the pig gene for the hormone prolactin. Assume that the pig gene for prolactin has not yet been isolated, sequenced, or mapped; What would be the most useful and economical first step to go about identifying and cloning the pig gene for prolactin? use the amino acid sequence of mouse prolactin to design a pair of degenerate oligonucleotide PCR primers to PCR-amplify the pig prolactin gene. RNAseq the pituitary gland of the pig, the most abundant gene is likely to to be prolactin Conduct a proteome search for peptides that match parts of mouse prolactin protein Sequence the pig genome, then translate the genome to find the gene predicted to encode for prolactin Crystalize the mouse prolactin protein and use Google's DeepMind Al to find the closest amino acid sequence in the pig proteomeYou are performing an experiment using CRISPR-cas9 to genetically modify the LacZ gene of a culture of E. coli. After you run the experiment, you decide to use gel electrophoresis to genotype the different bacterial cultures to determine if the gene editing was successful. How could your electrophoresis results confirm that the PCR was successful? And how could your electrophoresis results confirm that you successfully extracted genomic DNA from your bacterial samples?What ethical issues may be associated with human cloning?
- Which of the following best describes the process of DNA sequencing? a. DNA is separated on a gel, and the different bands are labeled with fluorescent nucleotides and scanned with a laser. b. A laser is used to fluorescently label the nucleotides present within the DNA, the DNA is run on a gel, and then the DNA is broken into fragments. c. Nucleotides are scanned with a laser and incorporated into the DNA that has been separated on a gel, and then the DNA is amplified with PCR. d. Fragments of DNA are produced in a reaction that labels them with any of four different fluorescent dyes, and the fragments then are run on a gel and scanned with a laser. e. DNA is broken down into its constituent nucleotides, and the nucleotides are then run on a gel and purified with a laser.You are preparing to amplify a DNA sample using PCR and add the following to your set-up: forward primers, no dNTPs, and Taq polymerase. What will be the end result of your PCR? a) PCR would proceed normally b) Non-specific PCR of random templates will occur c) The reaction will cease after a few cycles d) The PCR reaction will not occur.Today, it is easy to make transgenic plants and animals. What are some important safety and ethical issues raised by this use of recombinant DNA technology? Explain your answer.
- Choose the correct statements from the list below. There may be more than one correct statement. A) If you start with 2 DNA templates, after four rounds of PCR you'll have 32 copies B) PCR is useful in making millions or billions of copies of a gene so that it is present in a quantity large enough to study C) quantitative PCR is very similar to PCR, but fluorescent probes are added so that we can measure how much PCR product exists by examining how much the reaction fluoresces D) In real-time reverse transcriptase PCR, the RNA is used as a template to make a cDNA copy (through reverse transcriptase)What is real-time PCR?What are the disadvantages of doing DNA sequencing?