The enzyme BsteII recognizes the following sequence: GGTNACC, where N can be either A, C, T...
The enzyme BsteII recognizes the following sequence: GGTNACC, where N can be either A, C, T or G. How many cuts would be expected on average in a viral genome that is 57,344bp?
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The enzyme BsteII recognizes the following sequence: GGTNACC,
where N can be either A, C, T...
14. A restriction enzyme (for example BamH1): (2 points) a. Is a specific sequence of DNA...
14. A restriction enzyme (for example BamH1): (2 points) a. Is a specific sequence of DNA b. Can be used to ligate DNA ends C. Recognizes palindromic DNA sequences d. Cuts random sequences of DNA
Write true or false ______ 1. The DNA sequence of one human being is on average...
Write true or false ______ 1. The DNA sequence of one human being is on average 99.9% identical to another random human being. ______ 2. As of 2009, all living human beings have had their entire genome sequenced. ______ 3. The nucleotide bases present in a DNA sequence are A, U, G, C. ______ 4. Techniques that enabled scientists to clone genes were developed in the 1970s. ______ 5. A restriction enzyme is useful because it is a generic enzyme...
In a viral genome that is 10,000 bases long, C and G occure with a frequency...
In a viral genome that is 10,000 bases long, C and G occure with a frequency of 1/3 and A and T occure with a frequency of 1/6. What is the expected number of occurences of the sequence ACGT assuming multinomial.i.i.d model for genome?
3.13 pts) The restriction enzyme known as Notl recognizes the following sequence: 5-GCGGCCGC-3 3-CGCCGGCG-5 However, if...
3.13 pts) The restriction enzyme known as Notl recognizes the following sequence: 5-GCGGCCGC-3 3-CGCCGGCG-5 However, if the cytosines in this sequence have been methylated. NotI will not cleave the DNA at this site. For this reason, Net is commonly used to investigate the methylation state of CpG islands. A researcher has studied a gene, which we will call T. that is found in com, and encodes a transporter involved in the uptake of phosphate from the soil. A CpG island...
2. The following sequence is a wild-type gene that encodes a tRNA-his molecule that recognizes the...
2. The following sequence is a wild-type gene that encodes a tRNA-his molecule that recognizes the codon 5- CAU-3' on all mRNAs in the bacterial cell. The sequence given is from the point where transcription starts (called "+1") to the point where transcription ends (called the "terminator"). 5'-CCCGTTGCTCAGATCTGGATATCCTTCCTGCATAGAATCGCTTGCTGAAGCTGATACGCGCAACGGT-3' 3'-GGGCAACGAGTCTAGACCTATAGGAAGGACGTATCTTAGCGAACGACTTCGACTATGCGCGTTGCCA-5' a. Which strand (the upper or the lower) is used as the template in transcription? UNDERLINE THE CORRECT CHOICE b. Write out the amino acid sequence the protein, if any, that...
To estimate the number of cleavage sites in a particular piece of DNA with a known...
To estimate the number of cleavage sites in a particular piece of DNA with a known size, you can apply the formula, N/4 n where N is the number of base pairs in the target DNA and n is the number of bases in the recognition sequence of the restriction enzyme. If the recognition sequence for Sau3AI is GATC and the Haemophilus influenzae genome contains approximately 1,830,000 bp, how many cleavage sites would you expect?
Targeting a DNA sequence for editing by the CRISPR‑Cas9 system requires that a protospacer‑adjacent motif (PAM)...
Targeting a DNA sequence for editing by the CRISPR‑Cas9 system requires that a protospacer‑adjacent motif (PAM) sequence appear just downstream of the target sequence. For S. pyogenes Cas9 this PAM is the trinucleotide NGG, where N represents any nucleotide. Assuming a fragment of DNA includes equal amounts of A, C, G, and T bases, how many bases apart, on average, would one expect to find the NGG PAM? how many bases average PAM distance =
Which of the following restriction endonucleases produces 3' overhangs? (position where the enzyme cuts is indicated...
Which of the following restriction endonucleases produces 3' overhangs? (position where the enzyme cuts is indicated by an arrow) A. EcoRI (5'-G↓AATTC-3') B. HindIII (5'-A↓AGCTT-3') C. EcoRV (5'-GAT↓ATC-3') D. PstI (5'-CTGCA↓G-3')
6. Consider the enzyme HindIII cutting a DNA molecule of 40% GC a) What sequence does this...
6. Consider the enzyme HindIII cutting a DNA molecule of 40% GC a) What sequence does this enzyme recognise? b) What proportion of this DNA is made up of adenine bases? c) How often would HindIII cut this molecule (in bp)? d) If this DNA molecule was 21,000 bp in length, how many fragments would be produced on average? Could you please explain your reasoning for the answers so that i may actually understand it. so far I know HindIII enzyme recognises AAGCTT, but...
9. In many cases where a sequence of random variables converges in probability to some b,...
9. In many cases where a sequence of random variables converges in probability to some b, this b will be either the expected value or the limit of the expected values of the variables. However, this is not generally true. (a) Consider a sequence of random variables where for each n, xn comes from this distribution with P(Xn = n) = 1/n and P(Xn = 0) = 1 - 1/n. Find limn+ E(Xn). (b) Find the value b such that...
14. A restriction enzyme (for example BamH1): (2 points) a. Is a specific sequence of DNA b. Can be used to ligate DNA ends C. Recognizes palindromic DNA sequences d. Cuts random sequences of DNA
3.13 pts) The restriction enzyme known as Notl recognizes the following sequence: 5-GCGGCCGC-3 3-CGCCGGCG-5 However, if the cytosines in this sequence have been methylated. NotI will not cleave the DNA at this site. For this reason, Net is commonly used to investigate the methylation state of CpG islands. A researcher has studied a gene, which we will call T. that is found in com, and encodes a transporter involved in the uptake of phosphate from the soil. A CpG island...
2. The following sequence is a wild-type gene that encodes a tRNA-his molecule that recognizes the codon 5- CAU-3' on all mRNAs in the bacterial cell. The sequence given is from the point where transcription starts (called "+1") to the point where transcription ends (called the "terminator"). 5'-CCCGTTGCTCAGATCTGGATATCCTTCCTGCATAGAATCGCTTGCTGAAGCTGATACGCGCAACGGT-3' 3'-GGGCAACGAGTCTAGACCTATAGGAAGGACGTATCTTAGCGAACGACTTCGACTATGCGCGTTGCCA-5' a. Which strand (the upper or the lower) is used as the template in transcription? UNDERLINE THE CORRECT CHOICE b. Write out the amino acid sequence the protein, if any, that...
9. In many cases where a sequence of random variables converges in probability to some b, this b will be either the expected value or the limit of the expected values of the variables. However, this is not generally true. (a) Consider a sequence of random variables where for each n, xn comes from this distribution with P(Xn = n) = 1/n and P(Xn = 0) = 1 - 1/n. Find limn+ E(Xn). (b) Find the value b such that...
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