Q: How do psychrotrophs help with the spoilage of refrigerated foods.
A: Psychotrophs are cold-tolerant bacteria or archae that have the ability to grow at low temperatures,…
Q: What are vectors ofparasites?
A: The most common vectors of the parasites are mosquito and ticks. mosquito transmit infection like…
Q: How many intermediate hosts are in the life cycle of the liver fluke?
A:
Q: Which groups of algae produce the following important products: (1) agar, (2) algin, (3) nerve…
A: Algae is a simple term used to describe a group of eukaryotic organisms that can photosynthesize.…
Q: group II and cannot be cultured in the lab,
A: Archae is the group of single-celled prokaryotic organisms. They lack a well-defined nucleus.
Q: Why does C. diphtheriae have such a high requirement for iron as the organism is aerobic?
A: The Diptheria toxin contains large amounts of amino nitrogen and catalyzes a chemical reaction in…
Q: How has an understanding of crown gall disease benefitedplant agriculture?
A: Agrobacterium tumefaciens is a rod-shaped gram-negative bacteria that leads to a type of…
Q: What features of a premise water distribution system mightencourage the growth of Legionella?…
A: Legionella is the bacterium that causes Legionnaries disease. It is the other form of pneumonia. It…
Q: List three types of natural products made by members of the genus Streptomyces.
A: BASIC INFORMATION STREPTOMYCES among the group actinobacteria, it is the largest genus there are…
Q: What are other organisms related to Brocadia anammoxidan?
A: Brocadia anammoxidans are bacteria belonging to the phylum Planctomycetes. These bacteria are…
Q: What are potential barriers candida albicans might encounter at a point of entry into the human…
A: * Albicans encounter a point of entry this is so because. *Candida albicans is a pathogen that…
Q: Why are Frankia spp. considered ecologically important?
A: Frankia is a genus of bacteria which, fix nitrogen and live in symbiosis with actinorhizal plants,…
Q: Which one(s) is/are more harmful to the host and why? A) Antifungal agents B) antiprotozoal agents…
A: Ani fungal drugs are the most harmful to human body even more than the anti protozoal agents and the…
Q: Give 5 species under Agrobacterium tumefaciens.
A: Agrobacterium It is a rod shaped plant pathogenic soil bacteria having two strains. Genus of gram…
Q: Complete the table: Organism Organization (unicellular, colonial, filamentous) Mode of nutrition…
A: Microorganisms are small organisms that are too small to be seen by the naked eye. They may be…
Q: Does Ascaris lumbricoidespresent an intermediate host?
A: Ascari lumbricoids it is an intestinal roundworm (Nematode) which lives in human intestine. And…
Q: What are the essential environmental requirements for cultivatingCampylobacter?
A: Campylobacter is a genus that includes gram-negative bacteria. The shape of these bacteria is…
Q: How do rusts and smuts attack their hosts?
A: Rusts and smuts are both fungal species, rust belongs to under order uredinial and smuts belongs to…
Q: Explain the ecological setting of Salmonella --- where does it live? Where does it like to live?
A: Salmonella is a genus of rod-shaped Gram-negative bacteria of the family Enterobacteriaceae. The two…
Q: How might climate change or increased global connectivity (such as international travel) affect the…
A: Shigella shigella bacteria causes shigellosis infection. It spread through contaminated food and…
Q: A product that contains benzovindiflupyr and azoxystrobin will kill which microorganism? O A.…
A: The kingdom in biology can be outlined as the system that is utilized by biologists for the…
Q: What is the term for the protective structure that Bacillus and Clostridium genera can produce when…
A: Endospores are reproductive structures produce by bacteria.
Q: What are the mainprophylactic measures againstmalaria?
A: Malaria is a tropical disease which is transmitted in humans by the infected anopheles’ mosquitoes.…
Q: hy is the Baermann-Moraes method suitable for a suspect strongyloidiasis? Why is it considered a…
A: Strongyloidiasis is a disease caused the nematode Strongyloides stercoralis. It is believed to…
Q: What is hirudinaria give example?
A: Hirudinaria is also known as a leech. It is mainly found in ponds, lakes, and other moist places…
Q: Which measures should we practice to prevent spread and infection of Schistosoma japonicum?
A: Schistosoma japonicum is a significant parasite and one of the main schistosomiasis infecting…
Q: What causes a strain of C. diphtheriae to bepathogenic? Describe how such a strain may cause deathin…
A: Corynebacterium diphtheria is a causative agent of diphtheria.
Q: How do the respiratory infections attributable to the two species ofChlamydophila differ?
A: Respiratory infections by bacteria holds a wide spectrum of diseases of which few are fatal. They…
Q: Why don’t common methods of water treatment reliably excludeCryptosporidium from domestic water…
A: Cryptosporidiosis is a diarrheal disease that is caused by a microscopic parasite, Cryptosporidium,…
Q: What are the mainprophylactic measures againstschistosomiasis?
A: Schistosomiasis is a parasitic form of infection caused by commonly 3 species Schistosoma mansoni,…
Q: Of what value is the squid–Aliivibrio symbiosis to the squid?To the bacterium?
A: Symbiosis is any type of a close and long-term biological interaction between two different…
Q: What are the medicinal uses of A.Tectona philippinensis b. Cinnamomum cebuense c. Ziziphus…
A: Plants synthesis a lot of chemical compounds that has medicinal values. A large variety of plants…
Q: Gossypium spp. are the source of which of the following? O wool O jute O rayon cotton O linen
A: Various types of fibers are utilized for making clothing. These fibers can be obtained from plant or…
Q: Leptospira, Borrelia and Treponema have which of the following in common? Habitat…
A: Spirochetes are enormous motile bacteria with a spiral structure. They are members of the…
Q: Explain the occasional presence of Cryptosporidium in domesticwater sources.
A: Cryptosporidium is a microscopic parasite that causes the diarrheal disease cryptosporidiosis.
Q: . Where would you most likely find a member of the genus Propionibacterium in your home or…
A: The genus Propionibacterium are a type of anaerobic, non spore forming, Gram-positive microorganism.…
Q: What are the mainmanifestations ofleishmaniasis?
A: Parasite: An animal or plant lives on another organism to take nourishment. Due to protozoa,…
Q: Why are some mycotic diseases of humans called opportunistic mycoses?
A: Fungi, which can be found in numerous forms in the environment, cause mycotic diseases. Many fungi…
Q: what is the oxygen requirements for paracoccidioides brasiliensis
A: Paracoccidioides brasiliensis is a usually temperature-dependent dimorphic fungus that causes…
Q: What two microbes form a partnership in the lichen symbiosis?What are the benefits to both partners?
A: Animal relationships are the animal species associated to live with other animal species. The…
Q: What parasite is commonly mistaken as Entamoeba histolytica and why? Why is Entamoeba histolytica…
A: Entamoeba histolytica is essentially an anaerobic parasitic amoebozoan, which comes under the genus…
Q: Describe Hyalohyphomycosis, its symptoms, life cycle and control
A: Hyalohyphomycosis is a fungal infection caused by moulds with hyaline, light-colored, branched or…
Q: Significance of psychrotrophs in the spoilage of refrigerated food?
A: Psychrotrophs are the kind of bacteria that can grow at less than 70 C, temperature, that can…
Q: Compare the intracellular life cycle of Legionella spp. to that of Coxiella spp
A: 1. Intracellular life cycle of Coxiella spp. Coxiella spp also alternate between two…
Q: Outline the reaction by which some clostridia ferment amino acids, and relate this carbon substrate…
A: The fermentation of amino acids through the Stickland reaction is a remarkable metabolic feature of…
Why can it be said that N. equitans is both a carbon and an
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- Why do you suppose that Clostridium species are major causes of spoilage of canned foods?What are the factors affecting the pathogenicity of a parasitic amoeba? Explain.Why are Cryptosporidium parvum and cryptosporidium hominis associated with water-borne outbreaks of diseases?Why are water supplies infected in the first place ? thank you!
- What are the benefits and dangers of H. Pylori?What causes Chlorella variabilis to be inaccessible to its host or has a narrow range of hosts? Please provide reference. Why is C. variabilis rigid layer of polysaccharides seen to be a challenge with genetic engineering like transformation? Please provide reference..Why is the Baermann-Moraes method suitable for a suspect strongyloidiasis? Why is it considered a geohelminthosis? How could a person show an increase in their parasite load without re-contact with the soil? Please put references in the answer
- Why are Frankia spp. considered ecologically important?In terms of geographical distribution, are parasitic flagellates (e.g., Trypanosoma spp., Leishmania tropica, Giardia lamblia, Trichomonas) cosmopolitan or localized? Explain Discuss the relationship between vector distribution of some parasites and their vectors, if any? Do they exhibit vector specificity?How does the physiology of C. perfringens make it suitable forgrowing in puncture wounds?
- 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.what is the symbiotic relationship between aspergillus fumigatus and human skinFill in the table below with reproductive method/s employed for each given algal species. Vegetative: binary fission, fragmentation, etc. Asexual: specify type of spore Sexual: isogamy, anisogamy, oogamy Life cycle: diplontic, haplontic, diplohaplontic, triphasic Algal species Vegetative Asexual Sexual Life cycle Ulva Caulerpa Saccharina