Where is the PAM site (NGG) located? (1pt) A. In the gRNA spacer B. Downstream (towards...
Where is the PAM site (NGG) located? (1pt) A. In the gRNA spacer B. Downstream (towards the 3’ end) of the target genomic strand that is complementary to the gRNA spacer sequence C. Upstream (towards the 5’ end) of the target genomic strand that is homologous to the gRNA spacer sequence D. In the gRNA scaffold E. Downstream (towards the 3’ end) of the target genomic strand that is homologous to the gRNA spacer sequence F. In the pMD2-CAN1.Y-gRNA plasmid
Homework Answers
PAM site (NGG) is located on the downstream (towards 3' end) of the target genomic strand that is homologous to the gRNA spacer sequence .
Interaction between guanines of PAM and the Arginines of S. pyogenes Cas 9 , positions the phosphate of the DNA backbone 5' to the PAM to interact with a phosphate - lock loop in Cas9 and facilitate DNA strand unwinding.If DNA is complimentary to the gRNA ,an RNA: DNA hybrid forms, called an R loop and cleavage follows.
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Where is the PAM site (NGG) located? (1pt) A. In the gRNA spacer
B. Downstream (towards...
4. What is the function of each component of the CRISPR-Cas9 system? (1.5 pt) PAM site:...
4. What is the function of each component of the CRISPR-Cas9 system? (1.5 pt) PAM site: Guide RNA: Cas9: 5a. In the DNA below, the "I" line indicates where there is a mutation in a gene. Design a gRNA to find this mutation. Your gRNA will be 8 bases long and will not include the PAM sequence. Keep the following in mind: [2 pts total] i. Scan the top strand left to right and find the PAM site. ii. When...
3. The partial gene (DNA) sequence below contains multiple PAM sequences. Highlight six PAM sequences in...
3. The partial gene (DNA) sequence below contains multiple PAM sequences. Highlight six PAM sequences in the top (5' to 3) strand. 5'-GCACGGCGGAGCGGTTCTTGGCAGCGGCCGCACGATCTCGTTGCCGCCGG- 3' 3-CGTGCCGCCTCGCCAAGAACCGTCGCCGGCGTGCTAGAGCAACGGCGGCC- 5' Once Cas9 binds to a PAM sequence, it unwinds the DNA. If the guide RNA matches the DNA sequence next to the PAM, the guide RNA will bind to the complementary DNA strand. If not, the DNA will zip back together and Cas9 will keep binding to other PAM sequences until it finds the...
4. The CRISPR-Cas9 system is an important new technique in molecular biology. What is the natural...
4. The CRISPR-Cas9 system is an important new technique in
molecular biology. What is the natural function of this system?
Describe how you would use this system to generate a null mutation
in another organism (i.e. explain Figure 6-43). How does it work?
What is the modification of the method that allows for correction
of a mutation (e.g. the mouse crystalline gene)? And lastly, what
are the problems with the CRISPR system?
FIGURE 6-43 Single-nucleotide mutations
can be introduced into...
In prokaryotes the consensus sequence begins. is located about 10 bases upstream from the initiation site....
In prokaryotes the consensus sequence begins. is located about 10 bases upstream from the initiation site. It has the and is responsible for identifying the precise nucleotide at which TATA box, TATAAA, transcription Pribnow box, TATAAT, transcription 0 0 0 0 0 Pribnow box, TATAAT, translation Pribnow bow, TTGACA, translation None of the answers are correct Ribosomes are made of: 1. rRNA 2. proteins 3. URNA 3 2 Both 1 and 2 are correct All answers are correct 1 Once...
1) You have two human liver cells (A and B) and you hypothesize that the insulin...
1) You have two human liver cells (A and B) and you hypothesize that the insulin receptor gene in Cell A has a mutation in exon 1 and Cell B contains the wild type sequence. You extract genomic DNA from each of the cells. Of the following, what would be the most efficient (quick, precise and relatively cheap) way to test your hypothesis. a. Isolate protein from both cells, purify the insulin receptor, and determine the amino acid content. b. Sequence the...
11 Department of Biological Sciences BIOCHEMISTRY Test 2.2018 H. Nucleic Acid, Sequencing of DNA: Amino Acids...
11 Department of Biological Sciences BIOCHEMISTRY Test 2.2018 H. Nucleic Acid, Sequencing of DNA: Amino Acids Hydrolysis of salt Laboratory buffers, Polyprotie acids QUESTIONS 1. The DNA strand complementary to the strand 3-GTAGCGTAT-Y' would have the sequence a SLTACOCATAT-3 b.3.CATOXICATA-S c. 3-ATGCGTATA-S" ATATGCGTAS 2. When cytosine is treated with bisulfite, the amino group is replaced with a carbonyl group. Identify the resulting base a. adenine b. guanine c uracil d. thyminee. typoxanthine 3. How many amino acids would be in...
2. A dominant allele H reduces the number of body bristles that Drosophila flies have, giving...
2. A dominant allele H reduces the number of body bristles that Drosophila flies have, giving rise to a “hairless” phenotype. In the homozygous condition, H is lethal. An independently assorting dominant allele S has no effect on bristle number except in the presence of H, in which case a single dose of S suppresses the hairless phenotype, thus restoring the "hairy" phenotype. However, S also is lethal in the homozygous (S/S) condition. What ratio of hairy to hairless flies...
Should World Kitchen outsource Pyrex production and close the Charleroi plant? If so, how many suppliers should the company employ and where should they be located? We were una...
Should World Kitchen outsource Pyrex production and
close the Charleroi plant? If so, how many suppliers should the
company employ and where should they be located?
We were unable to transcribe this imagedishwas resulted from a process that pressed together yers of thin, strengthened opaque glass. products if they were moved overseas and simply source the lower-cost private-label versions directly sales and marketing functions. THE MARKET Givsn its extensive experience with outsourcing the Giobal Sourcing Department at World Kitchen had...
4. What is the function of each component of the CRISPR-Cas9 system? (1.5 pt) PAM site: Guide RNA: Cas9: 5a. In the DNA below, the "I" line indicates where there is a mutation in a gene. Design a gRNA to find this mutation. Your gRNA will be 8 bases long and will not include the PAM sequence. Keep the following in mind: [2 pts total] i. Scan the top strand left to right and find the PAM site. ii. When...
3. The partial gene (DNA) sequence below contains multiple PAM sequences. Highlight six PAM sequences in the top (5' to 3) strand. 5'-GCACGGCGGAGCGGTTCTTGGCAGCGGCCGCACGATCTCGTTGCCGCCGG- 3' 3-CGTGCCGCCTCGCCAAGAACCGTCGCCGGCGTGCTAGAGCAACGGCGGCC- 5' Once Cas9 binds to a PAM sequence, it unwinds the DNA. If the guide RNA matches the DNA sequence next to the PAM, the guide RNA will bind to the complementary DNA strand. If not, the DNA will zip back together and Cas9 will keep binding to other PAM sequences until it finds the...
4. The CRISPR-Cas9 system is an important new technique in
molecular biology. What is the natural function of this system?
Describe how you would use this system to generate a null mutation
in another organism (i.e. explain Figure 6-43). How does it work?
What is the modification of the method that allows for correction
of a mutation (e.g. the mouse crystalline gene)? And lastly, what
are the problems with the CRISPR system?
FIGURE 6-43 Single-nucleotide mutations
can be introduced into...
In prokaryotes the consensus sequence begins. is located about 10 bases upstream from the initiation site. It has the and is responsible for identifying the precise nucleotide at which TATA box, TATAAA, transcription Pribnow box, TATAAT, transcription 0 0 0 0 0 Pribnow box, TATAAT, translation Pribnow bow, TTGACA, translation None of the answers are correct Ribosomes are made of: 1. rRNA 2. proteins 3. URNA 3 2 Both 1 and 2 are correct All answers are correct 1 Once...
11 Department of Biological Sciences BIOCHEMISTRY Test 2.2018 H. Nucleic Acid, Sequencing of DNA: Amino Acids Hydrolysis of salt Laboratory buffers, Polyprotie acids QUESTIONS 1. The DNA strand complementary to the strand 3-GTAGCGTAT-Y' would have the sequence a SLTACOCATAT-3 b.3.CATOXICATA-S c. 3-ATGCGTATA-S" ATATGCGTAS 2. When cytosine is treated with bisulfite, the amino group is replaced with a carbonyl group. Identify the resulting base a. adenine b. guanine c uracil d. thyminee. typoxanthine 3. How many amino acids would be in...
Should World Kitchen outsource Pyrex production and
close the Charleroi plant? If so, how many suppliers should the
company employ and where should they be located?
We were unable to transcribe this imagedishwas resulted from a process that pressed together yers of thin, strengthened opaque glass. products if they were moved overseas and simply source the lower-cost private-label versions directly sales and marketing functions. THE MARKET Givsn its extensive experience with outsourcing the Giobal Sourcing Department at World Kitchen had...
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