Answer all the questions. 1. What is the importance of bacterial staining in diagnosing a disease? 2. How do bacteria acquire new genetic information?
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Answer all the questions.
1. What is the importance of bacterial staining in diagnosing a disease?
2. How do bacteria acquire new genetic information?
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- Use the following information to answer the next question. Human genes were integrated into the chromosomes of pig sperm using the procedure of sperm-mediated gene transfer (SMGT). In the first successful SMGT procedure, scientists used an enzyme to integrate three human genes into the chromosomes of pig sperm. Approximately 90% of the resulting pig embryos carried all three human genes in very cell. The presence of the human genes in every cell of a pig embryo is evidence that the genes went through Select one: a. mRNA transcription b. DNA replication c. mRNA translation d. DNA transcription1. One of the following sentences is NOT correct A. P53 is an example of tumour suppressor gene B. Wright's stain is sued to visualize a peripheral blood smear C. leukotrienes are derived from arachidonic acid by cyclooxygenase D. effective bacteriocidal enzymes are contained in lysosome of the neutrophils E. H&E stain is the most commonly used tissue stain for routine histological examination F. proteoglycans are located in the ECM but not in the ground substance of connective tissue1. One of the following sentences is NOT correct A. P53 is an example of tumour suppressor gene B. Wright's stain is sued to visualize a peripheral blood smear C. leukotrienes are derived from arachidonic acid by cyclooxygenase D. effective bacteriocidal enzymes are contained in lysosome of the neutrophils E. H&E stain is the most commonly used tissue stain for routine histological examination F. proteoglycans are located in the ECM but not in the ground substance of connective tissue 2. Which of the following sentences is NOI correct? A Microvilli increase the surface area of the epithelial cells B. Desmosomes are an effective barrier to the diffusion of substances across an epithelium C. Epithelial tissues are classified by the shape of the epithelial cells in the basal layer D. Release of lipid droplets from cells is a type of merocrine secretion E. Epithelial tissues are classified by the number of cell layers F. None of the above G. Both A and E H B. C and D 3. Which of the…
- A. What are the 4 “Koch’s Postulates”? B. Are they still valid today? How would we use them to establish the relationship between a specific microbe and a disease? Can we substitute such things as finding antibodies or DNA traces for some steps? If so, why? C. How has microbiology contributed to the advancement in molecular biology?1. You take a sample with a concentration of 1,000,000 pfu/mL of bacteriophage and make a dilution by taking 1mL from the tube and add it to 9mL of fresh broth and mix. You and repeat this 4 more times, Then you plate 1mL of the sample with a few drops of E.coli on a TSA plate. How many plaques do you expect to see when you examine the plate the next day? m^^^? Tube A a) 1,000,000 plaques b) 1000 plaques c) 10 plaques d) 1 plaque e) No plaques E. coli TSAPLEASE ANSWER THE QUESTIONS 1. Why is it important to have knowledge of the correct method of translation? 2. Give situations in which it is necessary to use knowledge of translation.
- hi, can I please get help on a case study on nueroanatomy I have been struggling for a couple of hours now and can't seem to understand the study to answer the following questions. is there any way or format that i can get help. I would really appreciate it. thanks! 1. Based on the information in the case, what is the most likely neuroanatomic location for a single lesion that can explain all of the patient’s symptoms and signs? In your own words, explain how you arrived at that localization. 2.What are some possibilities for the nature of the lesion (e.g., stroke, tumor, trauma, etc.)? In your own words, explain your rationale for these options. 3. How does the laboratory data and neuroimaging demonstrate the actual lesion for the patient? Describe how you interpret the data in your own words. 4.How was the patient was treated, and how did they subsequently fare? Describe the treatment plan in your own words.Explain how PCR/OLA (polymerase chain reaction/oligonucleotide ligation assay) can be used in the diagnosis of sickle cell disorder . Would you recommend this method for routine diagnosis of sickle cell disorder? ExplainIII. Go to the NCBI home page. Answer the following questions using the keyword "Helicobacter pylori" to query the "genome" databases and link to "Genbank ". And illustrate how to get this result on the Internet. 1. What is the accession number of the reference sequence (refseq) of Helicobacter pylori genome? 2. What is the size of Helicobacter pylori genome? 3. What is the GC content of Helicobacter pylori genome? 4. How many genes contented in Helicobacter pylori genome? 5. How many proteins coded by Helicobacter pylori? 6. Describe the ORGANISM of Helicobacter pylori.
- 1.Explain the mechanism as to how the following can be used to visualize cells: Antibodies and Fluorescent dyes. Then aside from hematoxylin, what dyes are commonly used in preparing histological slides? List and indicate when the dyes can be used, or on what samples can the dyes be used.Please answer questions 1.a, 1.b, and 1.c Question 1.a Which of the following is a limitation of RTV gene therapy? a. It can only be used on somatic cells b. The virus can repackage its RNA genome and cause widespread infection c. Random insertion of DNA into the genome can affect existing necessary genes d. The RNA genome cannot be copied into DNA Question 1.b Please choose the TRUE statement: a. Somatic cell transformation is easier than germline cell transformation b. Just like changes to the germline, changes in somatic cells are also heritable so these changes would pass onto the next generation of offspring c. In AAV, transcription and translation of the dsDNA (therapeutic DNA) uses the host machinery d. Someone with an autosomal dominant genetic disease can receive AAV or RTV as a cure Question 1.c Which of the following is the only gene therapy that does not introduce novel DNA into cells? a. RTV gene therapy b. AAV…2. What accounts for the oral and vaginal pain in patients with megalohlastic anaemia? 3. What are the determinants of the fate of a pluripotent stem cell? 4. Why would an adult who has been vegetarian for 2 years and has had menorrhagia for 5 years have microcytic red cells in a peripheral smear? 5. Which parts of the spinal cord are affected in patients with Sub Acute Combined degeneration? 6. Ovalocytes and hypersegmented neutrophil nuclei are more likely to be associated with what type ofanaemla. T. What is the ditference between megaloblasts and macrocytes? 8What are the distinguishing laboratory foatures between intravascular and extravascular haemolysis? maemia