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Choose the one answer that fits best. Which of the following statements regarding DNA Fingerprinting is NOT correct (videos)?
| a. |
Fingerprinting is a technique that allows us to sequence an entire genome |
|
| b. |
Forensic DNA profiling uses 13 different regions of DNA (according to the video) |
|
| c. |
STRs allow us to tell individuals apart |
|
| d. |
Short tandem repeats are in the non-coding regions |
|
| e. |
DNA Fingerprinting is used in |
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- Choose the one answer that fits best. Which statement regarding PCR is NOT correct (videos)? a. PCR requires a copy of RNA that serves as a template b. Taq polymerase adds nucleotides to the primers and creates a complementary strand of DNA c. Annealing requires cooler temperatures than denaturation d. Repeated cycles of denaturation, annealing and extending DNA strands creates many identical copies of DNA e. PCR is a quick way of using minute quantities of DNA to create millions of copiesDNA fragments that are 500 bp, 1000 bp, and 2000 bp in length are separated by gel electrophoresis. Which fragment will migrate farthest in the gel? a. The 2000-bp fragment b. The 1000-bp fragment c. The 500-bp fragment d. All will migrate equal distances.In 1950, using “blender” experiment, Hershey and Chase demonstrated that DNA, not protein, is the genetic material. They labeled proteins with radioactive phosphorus and nucleic acids with radioactive sulfur. A. Both statement is correct B. Both statement is incorrect C. Statement 1 is correct. Statement 2 is incorrect D. Statement 2 is correct. Statement 1 is incorrect
- Look at the amino acid chart below that the proctor placed on a board at the front of the classroom before asking the students questions. Help Arcel characterize the DNA mutation (HbS) according to its amino acid and position. a The disease is caused by GAG20→GTG20. b The disease is caused by val6→gln6. c The disease is caused by glu6→ val6. d The disease is caused by glu20→ val20.Which type of cells were used to extract the DNA that was sequenced? a. red blood cells c. white blood cells b. intestinal epithelium d. cheek swab What type of mutation caused Nicholas’s disease? a. frameshift c. nonsense b. missense d. insertionPlease answer all of these questions in details Answer all of the following questions a) Define the following terms: biotechnology, Plasmid,Genetic engineering and Transformation b) List two types of medical products that can be produced using DNA tech- nology c) Relate bioethics to the continued development of genetic engineering techniques. d) Describe two major goals of the Human Genome Project. e) Distinguish between proteomics and genomics. f) Outline the different applications of biotechnology g) List some techniques of genetic engineering. h) Delineate the transgenic organisms and their significance. i) Explain the procedure for the following PCR, Gel electrophpresis and Gene therapy j) Describe human genome project and its main goals. k) Discuss the drastic environmental impacts of oil spills and how the mi- crobes like bacteria can help mitigate the problem. l) Give an account of significance of transgenic organisms in food industry. m) Describe the uses of DNA finger…
- A student wants to observe how the environment of bacteria affects gene expression. How should the experiment be designed? A. exposing the same species of bacteria to the same carbohydrates in each sample B. exposing the same species of bacteria to different carbohydrates in each sample C. exposing different species of bacteria to the same carbohydrates in each sample D. exposing different species of bacteria to different carbohydrates in each sampleWhen you collect your cheek cells and prepare the DNA, is it really a problem that bacteria and food bits are in the sample too? A Yes, it is contamination, and any kind of contamination is a problem. B No, because food bits and bacteria do not contain human chromosome 16. Only contamination with human DNA of another individual would confuse the results.DNA dragnets have been so successful that some people have suggested that DNA samples of everyone should be stored at birth, so a profile could be made for anyone at any time. A. Do you think this is a good idea or not? And, B. do you think it useful or ethical for the FBI to store DNA samples from people who have been arrested but not yet convicted of a crime? Answer both questions,
- Please answer these two questions regarding PCR: a) Why do you need to perform PCR on DNA obtained from a crime scene? b) Why so forensic labs analyze non-coding DNA rather than genes?Choose the one answer that fits best. Which statement regarding Molecular Biology is NOT correct (videos)? a. Taq Polymerase was isolated from an organism found in Yellowstone Park b. Restriction enzymes leave sticky ends c. DNA sequencing allows us to read DNA sequences d. Restriction enzymes cut DNA at specific sites e. EcoRI and HindII are commonly used polymerasesPlease use information from the text below and your knowledge of biology to answer the final two (2) questions. In 2003, as a result of the Human Genome Project, the complete sequence of all the bases in human DNA was released to the public. Although knowing the entire sequence of bases has proven valuable, scientists are currently working to map genes. Mapping genes involves determining the exact location of each gene. Since much of human DNA does not code for a protein, it is challenging to figure out which segments are actual genes. Often, scientists look at the percent composition of bases in a segment of DNA. If the segment of DNA has a large percentage of C and G bases (together over 50%), it is likely that it is a gene and codes for a protein. 10. Is it likely this segment of DNA codes for a protein? State 'yes' or 'no' AND support your answer using information from the text.
