A person has been cured of malaria, after 2 months a malarial attack has developed, although the person was not bitten by a mosquito. What is the cause of relapse infection? O Schizont in liver cell O Hypnozoite in liver cell O Gametocytes in red blood cell O Merozoite in red blood cell
Q: Yeasts are classified as: Parasitic Worms Algae O Fungi Protozoa
A: yeast are classified as fungi .
Q: hich of the following is transmitted by sandflies? O Schistosoma mansoni O Entamoeba histolytica O…
A: Sand flies transmit diseases to animals and humans, including a parasitic disease called…
Q: Protozoan motility structures include O pseudopods. O flagella. cilia, flagella, and pseudopods. O…
A: Protozoa involve single-celled eukaryotes. These live in various habitats ranging from fresh or…
Q: Which of the following is mismatched?a) Plasmodium —malariab) Trypanosomes—dysenteryc)…
A: Step 1 Kingdom Protista or Protoctista is the kingdom of all unicellular and colonial eukaryotes…
Q: Protozoan reproduce by binary fission as well as by multiple fission. In your opinion which process…
A: In protozoans, binary fission is a process of asexual reproduction. By the process of binary fission…
Q: Toxoplasma gondii: a. Have both sexual & asexual phases in its life cycle. b. Releases oocysts by…
A: Toxoplasma gondii is a protozoan and an intracellular parasite which is obligate and infects mostly…
Q: B. Protozoan cysts C. Helminth eggs D. Entamoeba histolytica cysts E. Nematode egg
A: Parasites are the organisms that either stay on the surface of the human host or may enter into the…
Q: Cytochalasin D is a drug that inhibits the formation of microfilaments. One of the following…
A: Cytoskeleton in animals is mainly composed of three types of fibers - 1. Microtubules 2.…
Q: Which of these types of organisms produce cysts as a reproductive structure? bacteria…
A: Reproduction is the process by which an organism produce offsprings by transferring their genetic…
Q: Diatoms function to sequester a significant amount of global carbon dioxide because O Their silica…
A: The correct option is -(c) which is they are photoautotrophs.
Q: Cytolytic toxins of nematocysts O A. breakdown cells. B. participate in digestion of prey organisms.…
A: Nematodes capture the prey and repel the predators by injecting the venom into their target host.
Q: Toxoplasma gondi: Releases oocysts by gametogony in intestinal epithelium of dog. Oocyst is…
A: Toxoplasma gondii is an eukaryotic protozoan and is an obligate intracellular parasite which causes…
Q: Use the cnidarian life cycle diagram in Figure 33.8 to determine the ploidy of a feeding polyp and…
A: Ploidy refers to number of copies of an autosome present in a cell of an organism. If single copy of…
Q: Which of the following is a characteristic of an animal? Select ALL that apply. O Heterotrophs…
A: Animals are multicellular, eukaryotic heterotrophic organisms which feed on organic matter…
Q: Which toxin inhibits cilia movement? O Adenylate cyclase toxin O Tracheal toxin O Botulism toxin O…
A: Cilia are organelles that appear as minute hair-like projections on the outer surfaces of the cells…
Q: Which of the following is incorrect regarding the life cycle of Plasmodium? a. It can involve both…
A: Malaria is caused by Plasmodium parasites. The parasites are spread to people through the bites of…
Q: If human ingest the eggs of Taenia solium, which of the following may occur? An adult tapeworm would…
A: Taenia solium is a tape worm which is also called pork worm .
Q: Earthworms are known to consume which of the following materials except: O living plant tissues…
A: From above question Correct answer is living plant tissue(roots)
Q: Give examples of other medically important protozoans. State the reason/s why they are medically…
A: Protozoa is an informal word for a collection of single-celled eukaryotes that feed on organic…
Q: The hydatid cyst is typically spread by O contaminated meat O protozoan-laden mosquitoes O infected…
A: Hydatid cysts are most commonly found in the liver and lungs, although they may also occur in other…
Q: A palr of målé and female roundworms were observed in a stool sample. These parasitic worms would be…
A: Answer to question 2 is option B.) Nematodes.
Q: Giardia lamblia enters a human or other host in what form? O a) trophozoite Ob) spore O c) endospore…
A: Protozoans are group of organisms that possess single cell and are eukaryotic . They are classified…
Q: Like Texas Red Water Red Cattle Fever (which we did not study) Lyme disease is spread by: O infected…
A: INTRODUCTION Lyme disease This is a bacterial disease caused by Borrelia burgdorferi. Transmitted by…
Q: If an earthworm were exposed to an acid and had damage to it's setae/chetae, then that earthworm;…
A: Setae of annelids are bristles that stiff on the body. In case of earthworms, they help in the…
Q: Trichinosis can only be spread from human to human bya. cannibalism b. flies c. raw pork d.…
A: Trichinosis is a parasitic disease, also known as trichinellosis. It is caused by the roundworms of…
Q: Trichinosis can only be spread from human to human by a. cannibalism c. raw pork b. fl ies d.…
A: Trichinosis is also known as trichinellosis. It is a parasitic disease. It is caused by roundworms…
Q: Bacterial cells reproduce by this process: Meisois O Mitosis O Binary Fission O Spawning
A: Bacteria through the processes of conjugation, transformation, or transduction exchange the genetic…
Q: A common feature of reproduction in Amoeba, spirogyra and yeast is that –a) They reproduce only…
A: Reproduction is the biological process by which new individual organism called offspring is produced…
Q: In the mosquito, Malaria goes to the salivary glands as during the infectious stage and then enter…
A: Plasmodium is a infectious Malarial parasite which is known to cause Malaria in humans . It involves…
Q: Streptococcus pyogens is th division would it use to repi O meiosis O binary fission O mitosis
A: Streptococcus pyogenes (Group A streptococcus) is a Gram-positive, nonmotile, nonsporeforming coccus…
Q: Cytolytic toxins of nematocysts O A. breakdown cells. O B. participate in digestion of prey…
A: Nematocysts are the stinging structures. They are not cells, but rather organelles within cells…
Q: People eat raw or undercooked pork containing cysts of tapeworm larvae (cysticerci) In the…
A: Tapeworm; Preventive stages are 1 Stage 1: you can prevent the infection by not eating uncooked…
Q: a. Name two parasites that are transmitted in the cyst form.b. How must a non-cyst-forming…
A: Most protozoa are recognized by their motile feeding stage called trophozoite. Many protozoa have a…
Q: During excystation (excysting) of Giardia which occurs in the lumen of 1. small intestine: * O…
A: Pathogens are the microbws which cause disease in host.
Q: In malaria, the form of plasmodia that is transmitted from mosquito to human is the O Gametocyte O…
A: The life cycle of the malaria parasite occurs in two hosts- one is a female anopheles mosquito while…
Q: Plasmodium reproduces sexually in the ________ and asexually inthe __________ .a. liver, red blood…
A: Plasmodium are apicomplexan protozoa that are responsible for causing malaria. There are five…
Q: Ascariasis is caused by Ascaris lumbricoides. Which type of organism causes this disease? O…
A: All the animals belongs to the kingdom Animalia. This kingdom consist of different phylums.…
Q: Bacteriophages are O a. cellular components. O b. protistans. O C. viruses. d. prions. O e.…
A: Bacteriophages These are infectious agents, and are also known as phages. These are composed of…
Q: To reproduce sexually, two ciliates join and_______ . a. infect cells c. emit light b. form spores…
A: Ciliates undergo both asexual reproduction and sexual reproduction.
Q: Feline are final host of it (sexual reproduction). * Microsporidian spp O Sarcocystis suihominis O…
A:
Q: Which form of Plasmodium passes from mosquitoes to people and causes infection? a) Trophozoites b)…
A: The Genus Plasmodium are unicellular eukaryotes and are obligate parasites of vertebrates and…
Q: The following are characteristics of protozoa, except. O Unicellular Chemoheterotrphs O…
A: Protozoans are the eukaryotic heterotrophs which are motile. These protozoans are present in variety…
Q: Which of the following Eukaryotic groups contains the most dangerous (in terms of human deaths)…
A: The eukaryotic cells consist of a nucleus, cytoplasmic membrane, endoplasmic reticulum,…
Q: Apicomplexans are defined by the presence of the apical complex, which aids these organisms in…
A: Introduction :- The Apicomplexa are a phylum of parasitic alveolates with a vast number of species.…
Q: The feeding and growth portion of the protozoan life cycle is known as the stage. cellular O cyst…
A: Protozoans are eukaryotes with a single cell that either lead a free-living lifestyle or a parasitic…
Q: The protozoan trophozoite is thea. active feeding stageb. inactive dormant stagec. infective staged.…
A: A trophozoite is the growing stage of life cycle.It is the activated feeding stage in the life cycle…
Q: During excystation (excysting) of Giardia which occurs in the lumen of small intestine: * O…
A: Giardia lamblia It is also called by the name of G. Intestinalis. It is a flagellated microbe which…
Q: All protozoan pathogens have a _____________phase.a. cyst b. sexual c. trophozoited. blood
A: A pathogen is a term for an infectious biological agent that can cause a disease or an illness in a…
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- Plasmodium reproduces sexually in the ________ and asexually inthe __________ .a. liver, red blood cells b. mosquito, human c. human, mosquitod. red blood cell, liverWhich of the following is mismatched?a) Plasmodium —malariab) Trypanosomes—dysenteryc) Dinoflagellates—paralytic shellfish poisoningd) Nematode—trichinellosisAll are true of endotoxins except Are associated with Gram negative bacteria Cause fever and malaise Are part of the bacterial cell wall LPS released when cell dies Are associated with Gram positive bacteria.
- Which form of Plasmodium passes from mosquitoes to people and causes infection?a) Trophozoitesb) Merozoitesc) Sporozoitesd) Vegetative forme) Oocystamoebas Euglenozoa Ciliates of the phylum Ciliophora Apicomplexans For each of the groups listed above, provide one example of a pathogenic protozoan found in the U.S.AGiardia is a/an ___________ that invades the ___________ .a. flagellate, large intestine b. amoeba, small intestine c. ciliate, large intestined. flagellate, small intestine
- Protozoan Infections A 9-year old boy, was brought to the ER due to fever and complains of a constant, dull ache on the right upper portion of his abdomen especially when lying on his right side. His father reported that 2 months ago, the patient and one of his younger brothers had abdominal pain and dysentery after swimming in the sea What is his present and 2 months ago condition?Some protozoan pathogens form ________ to protect themselves from harsh conditions in the environment. ○ capsids○ cysts○ endospores○ myceliaWhich of the following statements is true? Multiple Choice Malaria produces minimal changes in tissue function. The Plasmodium falciparum species of Plasmodia does not infect humans. Protozoal infections readily respond to drug therapy. Americans are not exposed to protozoal infections.
- When a mosquito injects malaria protozoa into the bloodstream of a new victim, this route of infection is called ___. transfusion parenteral airborne fecal oralWhen environmental conditions do not favor protozoan growth, a method of survival includes encystment to create a durable cell with a protective cell wall. the production of trophozoites from cysts. (I know it's not this one) rapid multiplication and killing of the host. the shedding of the plasmalemma. an increase in overall metabolic activity.Hand draw (with a pen/pencil) a picture of salmonella typhi organism. Label and describe the following cell structures and include a brief summary of their functions: nuclei/organelles flagella/cilia segments outer covering (cuticle, tegument) attachment structures (suckers, hooks, etc.) cysts/oocysts (if your pathogen makes them)