To estimate the genome size of a newly discovered organism, you digest one copy of its...
To estimate the genome size of a newly discovered organism, you digest one copy of its genomic DNA with the restriction enzyme EcoRI, which has a 6 bp recognition site. The genome is cut into about 100,000 fragments. Which is your best estimate of the size of this organism’s genome?
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To estimate the genome size of a newly discovered organism, you
digest one copy of its...
8. You are studying a newly identified chromatin-remodeling complex, which you call NICRC. You decide to...
8. You are studying a newly identified chromatin-remodeling complex, which you call NICRC. You decide to run an in vitro experiment to characterize the activity of the purified complex. Your molecular toolbox includes: (1) a 400-base-pair DNA molecule that has a single recognition site for the restriction endonuclease EcoRI, an enzyme that cleaves internal sites on double-stranded DNA (dsDNA); (2) purified EcoRI enzyme; (3) purified DNase I, a DNA endonuclease that will cleave dsDNA at nonspecific sites if they are...
EcoRI is a common restriction enzyme used in cloning experiments. Its restriction sequence is G’AATTC. The...
EcoRI is a common restriction enzyme used in cloning experiments. Its restriction sequence is G’AATTC. The strand is cut at the position of the apostrophe. The 50 base pair sequence shown below contains one or more EcoRI sites. Find them and circle them. Then count the resulting size (in base pairs – bp) of the DNA fragments (pieces) left over after using EcoRI to cut this DNA sequence. Circle the EcoRI sites in the sequence below. 1- ggagaattcgctgtacgaggttaaccccgatgccATGGCATGAATTCGTG -50 List...
Suppose you digest the genomic DNA of a particular organism with the restriction enzyme SauA. Then...
Suppose you digest the genomic DNA of a particular organism with
the restriction enzyme SauA. Then you ligate the resulting fragment
into a unique BamHI cloning site of a plasmid. The sequence of the
restriction sites and position of cleavage is shown below
Note: X and Y and their complementary bases Z and Y’
respectively can be any base (A,C, G, or T)
1) As you can see, ligation is possible because the two restriction
enzymes produce compatible sticky ends....
please help me with these questions Lab 8 Extension Activity: Plasmid Mapping and Restriction Enzymes Mapping...
please help me with these questions
Lab 8 Extension Activity: Plasmid Mapping and Restriction Enzymes Mapping the Plasmid The first step in mapping a plasmid is to determine how many times a restriction site is found on that plasmid. Examine the results for plasmid 55 as an example. The data given in the following table are for the double digest using EcoRI and Pstl. Also, giving are the data for single digests by the individual enzymes. The numbers in the...
One copy of the human genome is 3 billion (3 X 109base pairs). Pretend that instead...
One copy of the human genome is 3 billion (3 X 109base pairs). Pretend that instead of 4 bases (AGCT) there are 5, and that the 5th base (called D) pairs with itself. Pretend also that all 5 bases are present at equal frequency in the human genome. Suppose you digested to completion one copy of the human genome with the enzyme Eco RI (recognition sequence 5'-GAATTC). A Given the information above about the 5thbase, what would be the average...
Questions 9-12 deal with SSR loci in Sam's genome. Remember that SSRs (simple sequence repeats) are...
Questions 9-12 deal with SSR loci in Sam's genome. Remember that SSRs (simple sequence repeats) are tandem (next to each other) repeats of short sequences (a few bp). Such tandem repeats are located at specific sites scattered throughout the genome. Individuals vary in the number of repeats at each site sites can have up to 100 repeats. Each locus with the same repeats is called an SSR ocus DNA was extracted from Sam's white blood cells and cut with a...
Unanswered Question 6 0/1 pts A restriction digest is performed on a plasmid. The table below...
Unanswered Question 6 0/1 pts A restriction digest is performed on a plasmid. The table below shows the sizes of the resulting DNA fragments. 3 enzyme(s) present in the DNA size fragments digest resulting Pstl 10,000 base pairs (bp) Sspl 7,000 bp, 3,000 bp double digest, Estland 4,000 bp, 3,000 bp Sspl Explain the double digest results, what happened to create pieces of these sizes? Your Answer: 4/4 pts Question 7 List the 5 components needed to perform a PCR...
9. On Worksheet 16.IIIB is a restriction map of bacteriophage lambda. You digest some lambda DNA...
9. On Worksheet 16.IIIB is a restriction map of bacteriophage lambda. You digest some lambda DNA with the enzymes BamHI and HindIII separately and then load the fragments into an agarose gel and perform electrophoresis. Next, you perform a Southern analysis using the 4,878-bp EcoRI lambda fragment as a probe. a. Draw a picture of the electrophoresis gel, using the outline of the stained electrophoresis gel in Worksheet 16.IIIB (the two smallest HindIII fragments will run off the gel.) b....
Luestion 3 1 pts Review: You have the DNA that is radioactively labeled at the S'ends...
Luestion 3 1 pts Review: You have the DNA that is radioactively labeled at the S'ends of DNA as shown below. But you want DNA that is labeled only at one end of the DNA, not both ends. One of the other undergraduate students in the lab suggests that you use a restriction enzyme to cut the DNA, then electrophorese the DNA in an agarose gel, then cut out the region of the gel with radioactive DNA fragment you want,...
A. Your lab To see if you understand what you did in our lab, answer the...
A. Your lab To see if you understand what you did in our lab, answer the following based in the procedures for the restriction digest and the gel electrophoresis. 1. Using the PGLO map on p7 of the gel electrophoresis procedure, predict the size of the fragments generated by each enzyme EcoRI Hindill, and Pst! (the sizes you would expect to see on the gel.) (6 pts) Hindill -8 fragments were produced by the restriction enzyme. 2. Answer the calculation...
8. You are studying a newly identified chromatin-remodeling complex, which you call NICRC. You decide to run an in vitro experiment to characterize the activity of the purified complex. Your molecular toolbox includes: (1) a 400-base-pair DNA molecule that has a single recognition site for the restriction endonuclease EcoRI, an enzyme that cleaves internal sites on double-stranded DNA (dsDNA); (2) purified EcoRI enzyme; (3) purified DNase I, a DNA endonuclease that will cleave dsDNA at nonspecific sites if they are...
Suppose you digest the genomic DNA of a particular organism with
the restriction enzyme SauA. Then you ligate the resulting fragment
into a unique BamHI cloning site of a plasmid. The sequence of the
restriction sites and position of cleavage is shown below
Note: X and Y and their complementary bases Z and Y’
respectively can be any base (A,C, G, or T)
1) As you can see, ligation is possible because the two restriction
enzymes produce compatible sticky ends....
please help me with these questions
Lab 8 Extension Activity: Plasmid Mapping and Restriction Enzymes Mapping the Plasmid The first step in mapping a plasmid is to determine how many times a restriction site is found on that plasmid. Examine the results for plasmid 55 as an example. The data given in the following table are for the double digest using EcoRI and Pstl. Also, giving are the data for single digests by the individual enzymes. The numbers in the...
Questions 9-12 deal with SSR loci in Sam's genome. Remember that SSRs (simple sequence repeats) are tandem (next to each other) repeats of short sequences (a few bp). Such tandem repeats are located at specific sites scattered throughout the genome. Individuals vary in the number of repeats at each site sites can have up to 100 repeats. Each locus with the same repeats is called an SSR ocus DNA was extracted from Sam's white blood cells and cut with a...
Unanswered Question 6 0/1 pts A restriction digest is performed on a plasmid. The table below shows the sizes of the resulting DNA fragments. 3 enzyme(s) present in the DNA size fragments digest resulting Pstl 10,000 base pairs (bp) Sspl 7,000 bp, 3,000 bp double digest, Estland 4,000 bp, 3,000 bp Sspl Explain the double digest results, what happened to create pieces of these sizes? Your Answer: 4/4 pts Question 7 List the 5 components needed to perform a PCR...
9. On Worksheet 16.IIIB is a restriction map of bacteriophage lambda. You digest some lambda DNA with the enzymes BamHI and HindIII separately and then load the fragments into an agarose gel and perform electrophoresis. Next, you perform a Southern analysis using the 4,878-bp EcoRI lambda fragment as a probe. a. Draw a picture of the electrophoresis gel, using the outline of the stained electrophoresis gel in Worksheet 16.IIIB (the two smallest HindIII fragments will run off the gel.) b....
Luestion 3 1 pts Review: You have the DNA that is radioactively labeled at the S'ends of DNA as shown below. But you want DNA that is labeled only at one end of the DNA, not both ends. One of the other undergraduate students in the lab suggests that you use a restriction enzyme to cut the DNA, then electrophorese the DNA in an agarose gel, then cut out the region of the gel with radioactive DNA fragment you want,...
A. Your lab To see if you understand what you did in our lab, answer the following based in the procedures for the restriction digest and the gel electrophoresis. 1. Using the PGLO map on p7 of the gel electrophoresis procedure, predict the size of the fragments generated by each enzyme EcoRI Hindill, and Pst! (the sizes you would expect to see on the gel.) (6 pts) Hindill -8 fragments were produced by the restriction enzyme. 2. Answer the calculation...
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