proposed for the origins of H. luzonensis? In your own words, describe the evidence that supports these explanations. (Minimum of 2 complete sentences.)
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What possible explanations have been proposed for the origins of H. luzonensis? In your own words, describe the evidence that supports these explanations. (Minimum of 2 complete sentences.)
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- CASE #2 A 25-year-old Peace Corps worker has just returned from service in Ethiopia. She experiences a sudden onset of asthma-like symptoms. She has no previous history of asthma. An O & P (ova and parasites) on her stool was part of the normal discharge physical, considering the area of assignment, before being released from the Peace Corps. The sample was processed according to standard laboratory procedures. Two suspicious structures were noted during the direct saline wet preparation. The first of the two structures is noted in form # 1; it measures 50 x 40 um. The second structure is depicted in form #2 and measures 18 um in diameter. Form 1 Form 2 1. Which of the structures is (are) considered a pathogenic parasite(s)? Do the presenting symptoms relate to the O & P findings? If so, explain. Look at the structure depicted in form #1. What key characteristics allow you to identify the organism? Name the organism and its stage. 2. 3.According to the recent malaria report of the Department of Health, Disease and Prevention Bureau (2022), there are 4, 251 confirmed cases of malaria in the Philippines and majority of the cases are due to Plasmodium falciparum. P. falciparum life cycle includes gametocytes that will aid the parasite to reproduce sexually in its anopheline vectors. Examine Figure 2 below. Provide three (3) qualitative descriptions of the P. falciparum gametocyte. Write your answers in a complete sentence. Fig. 2.. Plasmodium falciparum gametocyte in thin blood smear (CDC, 2022)3) Medicago polymorpha L. var. orbicularis L. was raised to the rank of species by Bartal. (an abbreviation for Biagio Bartalini).a) What must the new name be called (including author citation; use the abbreviated name)?b) Does Bartal. have to retain the name orbicularis by the rules of the ICBN?c) What is the term we use for the original name, Medicago polymorpha L. var. orbicularis L.? 4) Suppose, from above, that another species named Medicago orbicularis Smith had already existed.a) Is the name proposed above (3a) legitimate? Why or why not?b) What would the name proposed above (3a) by Bartal. be termed?c) What must Bartal. (or someone else) do now?
- Penicillin was first used in the 1940s to treat gonorrhea infections produced by the bacterium Neisseria gonorrhoeae. In 1984, according to the CDC, fewer than 1% of gonorrhea infections were caused by penicillin-resistant N. gonorrhoeae. By 1990, more than 10% of cases were penicillin resistant and a few years later the level of resistance was 95%. Explain the various ways this resistance could be spread among the cells. Could this resistance pass to other infectious bacteria from N. gonorrhoeae?Describe the life cycle of Paragonimus westermani and its method of transmission to humans with crayfish and snail as the intermediate hosts. Show in a diagram and an explanation.Which of the following summarizes the chronological sequence (earliest to latest) of discovery involving human malaria parasites? This is was in a lecture slide, but is also in the textbook. a) liver stages, blood stages, mosquito stages, experimental transmission by mosquito b) blood stages, mosquito stages, liver stages, experimental transmission by mosquito c) mosquito stages, blood stages, liver stages, experimental transmission by mosquito d) blood stages, mosquito stages, experimental transmission by mosquito, liver stages e) mosquito stages, liver stages, blood stages, experimental transmission by mosquito
- Approximately 50% of the world’s population is colonised by Helicobacter pylori (H. pylori), yet only a fraction of the population develops gastric ulcers. A. Why is there a discrepancy between the frequency of H. pylori colonization and the frequency of gastric ulceration? Is H. pylori colonization responsible for gastric ulcers? B. Should a vaccine against H. pylori be developed and administered for everyone? Justify your reasoning.Provide a paragraph or bulleted list to answer the following questions. Note that this question has multiple parts so be sure to answer each part. (a) Describe the coevolutionary pattern that systematists look for (b) Name the evolutionary mechanism that causes the phylogeny of hosts to be similar to the phylogeny of their symbionts. (c) Name 2 phenomena that cause a phylogeny of hosts and a phylogeny of their symbionts to come to differ. (d) Some tapeworm groups found in modern marine mammals evolved long before their hosts. Describe how the phenomenon of mass extinctions explains this.Define the following terms: a. fiddleheadb. annulusc. sorid. prothalliume. megaphyllous
- Look at each of the 2 pictures below (A & B ) and for each determine the total number of Ascii of each type listed below (a-c) THIS IS A TWO PART QUESTION! PLEASE COMPLETE EACH OF THE PARTS! For Picture A Below (darker picture) Determine the total number of Ascii of each ascus type listed below (a-c) : Type a) 4 dark spores 4 light spores.....in that order 4:4 (type 1) ---->. How Many? ___________ 4 light spores and 4 dark spores in that order...... 4:4 (type 2). ---->. How Many?___________ Total Sum of Parental Types____________ . Type b) 2 dark 2 light 2dark 2 light spores 2:2:2:2 (type 1). ---->. How Many? ____________ 2 light 2 dark 2 light 2dark spores 2:2:2:2 (type 2). ---->. How Many? ____________ Total Sum Recombinant Type A__________ . Type c) 2 light spores 4 dark spores 2 light spores 2:4:2 (type 1). ---->. How Many? __________ 2 dark spores. 4 light spores 2 dark spores. (type 2). ---->. How Many? __________ Total Sum Recombinant Type…Can you give a clear explanations of the introduction for this paper? Please explain as if your presenting a group presentation about this paper introduction.1) In 2005 a typhoid outbreak in Delmas, South Africa, prompted the widespread testing of food and water sources to ascertain the origin of the outbreak. However, the origin of the outbreak could not be definitely tracesd. What could have been the possible reasons for this state of affairs? 2) A hypothetical culture media is being developed for the isolation of Salmonella Typhimurium. How will these unique characteristics be used to produce a culture media that is both selective and differential for the isolation of presumptive Salmonella Typhimurium?