Homework Answers
1) upper part= - (negative) (anode), lower part= + (cathode) (positive)
2) Higher the size, the lesser it runs.
The order of the bands from top to bottom is-
1500bp, 1000bp, 800bp, 600bp, 400bp, 200bp, 50bp
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3. There are two sets of primers: one set to amplify the white gene; another set...
amplify a 161 bp fragment of the vaca gene which is only found in H. pylori....
amplify a 161 bp fragment of the vaca gene which is only found in H. pylori. You culture bacteria from gastric biopsies, extract the DNA, run the PCR, and run the gel elctrophoresis according to standard techniques. An image of the gel electrophoresis is below. 161 bp 500 bp 400 bp 300 bp 200 bp 100 bp The lanes on your gel contain the following: . M) Mass Ladder to estimate size 1) Positive Control using DNA from a lab...
You are using a ChIP assay to study the positioning of a DNA-binding transcription factor (Dbp1p)...
You are using a ChIP assay to study the positioning of a
DNA-binding transcription factor
(Dbp1p) on transcribed genes. You fragment DNA from wild type
cells and immunoprecipitate
Dbp1p with an antibody to it. Then you PCR amplify the DNA
associated with Dbp1p using
different sets of primers for a particular gene (G3PD). One set
of primers was specific for the
TATA box region of this gene, (lane 1) another pair of primers
amplified the 3’ end of the open...
II. Amplify the gene of interest using the PCR, verify the PCR products on the gel...
II. Amplify the gene of interest using the PCR, verify the PCR products on the gel electrophoresis, analyze the gel. 4. By the next morning, the PCR amplification of all the samples is over, and you set up gel electrophoresis to check for the PCR products. Results: Lane 1 Alexandra - one band Lane 2 Olga - one band Lane 3 Tatiana - one band Lane 4 Maria - one band Lane 5 Anastasia - one band Lane 6 Alexey...
3) Image from Biotechnology Explorer Kit, BIO RAD Analysis of DNA Fragments The data you entered...
3) Image from Biotechnology Explorer Kit, BIO RAD Analysis of DNA Fragments The data you entered for the lambda Hindill digest were the relative positions of DNA bands of known size. Since the exact size and position of these fragments are known, they can be used as standard reference points to estimate the size of unknown fragment bands. A set of fragments of known sizes is called a molecular weight ruler or standards or marker (or sometimes a ladder because...
1. Create the primers to amplify the gene of interest. 1. Below is almost the full...
1. Create the primers to amplify the gene of interest. 1. Below is almost the full sequence of the coding strand of the F9 gene (exon 2-exon4) that you found in the online database (NCBI, Genomic sequence F9 gene). Some of the sequence is missing, but you know how many nucleotides are skipped. Design forward and reverse primers 18nt each for PCR that will isolate EXACTLY the sequence that is in bold typeface. Exon 2 = 164 nt Intron 2...
You have access to a polymerase that has a maximum extension of 3kb. Below is a...
You have access to a polymerase that has a maximum extension of 3kb. Below is a (not to scale) schematic from the paper depicting the location of the transposon within the cct8 gene. For our purposes, the 5' end of Primer 1 is at bp 170 of the WT allele, the 5' end of Primer 2 is at bp 2030 of the WT allele (not including the transposon). The GBT-P9 transposon is 6000 bp long, inserted at bp 300 of...
2. PCR amplification of the TAS2R38 gene a. The number of copies of the 303 bp sequence grows exp...
2. PCR amplification of the TAS2R38 gene a. The number of copies of the 303 bp sequence grows exponentially (1-2-4-8-etc) after each cycle. The number of cycles we used is on page 97. What is the number of copies of the 303 bp fragment that will theoretically be present at the end of our reaction? b. Denaturation of the 303 bp segment of the TAS2R38 gene is a critical first step in the PCR perties of a DNA segment that...
You are using PCR to amplify a 300 bp target sequence, a portion of Gene X,...
You are using PCR to amplify a 300 bp target sequence, a portion of Gene X, from human genomic DNA isolated from patients' blood samples. The instructions for this procedure tell you to include Samples A and B, whose contents are listed below, with each batch of patient samples that you run. Ingredients Sample A Sample B 10x PCR Buffer (Tris,KCI,MgCl2,BSA) 5 mL 5 mL H2O 37.8mL 38.8mL dNTP's 3 mL 3 mL Taq DNA polymerase 0.2 mL 0.2 mL...
Below is a set of experiments for cloning the human growth hormone (HGH) gene and then...
Below is a set of experiments for cloning the human growth hormone (HGH) gene and then expressing the HGH protein in E. coli starting from human pituitary glands and a tube of plasmid vector DNA. The plasmid expression vector contains the arabinose inducible expression system. Specify the correct order for carrying out these experiments, using the letter codes in front of each procedure. Use all of the steps in your answer, except for one step that should NOT be included....
This is for an a 3 unknown I am doing in Microbiology. And I don't quite...
This is for an a 3 unknown I am doing in Microbiology. And I don't quite understand it, if you could please help thanks A. How did you prepare the template DNA? B. Name the gene that we will be sequencing in order to identify the unknown. C. Explain why this region is considered to be the target for identification instead of sequencing the entire genome? D. What is the size (in bp) of target DNA in E. coli? B....
amplify a 161 bp fragment of the vaca gene which is only found in H. pylori. You culture bacteria from gastric biopsies, extract the DNA, run the PCR, and run the gel elctrophoresis according to standard techniques. An image of the gel electrophoresis is below. 161 bp 500 bp 400 bp 300 bp 200 bp 100 bp The lanes on your gel contain the following: . M) Mass Ladder to estimate size 1) Positive Control using DNA from a lab...
You are using a ChIP assay to study the positioning of a
DNA-binding transcription factor
(Dbp1p) on transcribed genes. You fragment DNA from wild type
cells and immunoprecipitate
Dbp1p with an antibody to it. Then you PCR amplify the DNA
associated with Dbp1p using
different sets of primers for a particular gene (G3PD). One set
of primers was specific for the
TATA box region of this gene, (lane 1) another pair of primers
amplified the 3’ end of the open...
II. Amplify the gene of interest using the PCR, verify the PCR products on the gel electrophoresis, analyze the gel. 4. By the next morning, the PCR amplification of all the samples is over, and you set up gel electrophoresis to check for the PCR products. Results: Lane 1 Alexandra - one band Lane 2 Olga - one band Lane 3 Tatiana - one band Lane 4 Maria - one band Lane 5 Anastasia - one band Lane 6 Alexey...
3) Image from Biotechnology Explorer Kit, BIO RAD Analysis of DNA Fragments The data you entered for the lambda Hindill digest were the relative positions of DNA bands of known size. Since the exact size and position of these fragments are known, they can be used as standard reference points to estimate the size of unknown fragment bands. A set of fragments of known sizes is called a molecular weight ruler or standards or marker (or sometimes a ladder because...
1. Create the primers to amplify the gene of interest. 1. Below is almost the full sequence of the coding strand of the F9 gene (exon 2-exon4) that you found in the online database (NCBI, Genomic sequence F9 gene). Some of the sequence is missing, but you know how many nucleotides are skipped. Design forward and reverse primers 18nt each for PCR that will isolate EXACTLY the sequence that is in bold typeface. Exon 2 = 164 nt Intron 2...
You have access to a polymerase that has a maximum extension of 3kb. Below is a (not to scale) schematic from the paper depicting the location of the transposon within the cct8 gene. For our purposes, the 5' end of Primer 1 is at bp 170 of the WT allele, the 5' end of Primer 2 is at bp 2030 of the WT allele (not including the transposon). The GBT-P9 transposon is 6000 bp long, inserted at bp 300 of...
2. PCR amplification of the TAS2R38 gene a. The number of copies of the 303 bp sequence grows exponentially (1-2-4-8-etc) after each cycle. The number of cycles we used is on page 97. What is the number of copies of the 303 bp fragment that will theoretically be present at the end of our reaction? b. Denaturation of the 303 bp segment of the TAS2R38 gene is a critical first step in the PCR perties of a DNA segment that...
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