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2.both strains were toxic division C. the disintegration of a cell D. the attachment osmotrophs, Heterotrophic protists that feed on nonliving organic material function as: Which of the following statements is NOT true of Trichomonas vaginalis? bacteriophages B. the phases through which cells pass during C. These pigments warn grazers of -A host cell without plastids ingests a prokaryotic cell. D. dengue fever Ciliates also have a unique method of sexual reproduction, calledconjugation. Stramenopiles: Diatoms, Brown Algae, Golden Algae and Oomycetes Figure 6. Significance. E. the ability to detect and move toward sources of light. Mrs. Helen Schreiber, a 45-year-old high school principal, presents with a 6-month history of dry mouth, bleeding gums, and difficulty in chewing and swallowing food. carnivores E. They protect against viruses. A. Eukaryotic flagella have microtubules in a cytoskeleton whereas prokaryotic ones do not. D. A It is sometimes used in synonymous to Plantae. The protists are a diverse group of eukaryotes that cannot be classified as animals, plants, or fungi. B. Her salivary glands are not swollen. Cavalier-Smith 1993, Bolidophyceae Guillou & Chretiennot-Dinet 1999, Phaeophyceae (brown seaweeds) Hansgirg 1886. quality of light prevalent in their various preferred habitats and A. production of foodstuffs such as cheese C. archaeal ancestors Tests, if present, are of overlapping siliceous or organic scales or plates. B. nausea E. alternating chills and fever, The malarial stage infecting red blood cells of humans are the: -hard shells composed of calcium carbonate Protists Flashcards - Easy Notecards B. the earliest known arthropods. Stramenopiles: Diatoms, Golden Algae & Brown Algae E. Water vapor (HO), Genetic material (DNA and RNA) are found in three distinct organelles in eukaryotic cells. The metacarpophalangeal joints of both index fingers are swollen, stiff, and tender. mating strains are nonmotile and have to be dispersed by currents haploid nucleus in an individual of sexual strain (+) divides What is the most accurate description of the consequence(s) of the increased oxygen (O2) in the atmosphere during and after the Silurian Period? C. The zygote undergoes meiosis and produces many heat-resistant spores that increase the population size and aid in dispersal. B. Conquest of land by arthropods and vertebrates. Stramenopiles may be heterotrophic or photoautotrophs. B. to insure survival in the uterus. binary fission cysts, In the Plasmodium life cycle, which stage is produced in the mosquito host and injected into humans during mosquito feeding? micronuclei fuse by pairs into four diploid micronuclei. -a multicellular protist, single dormant cells with thick and protective cell walls, Sexual reproduction in ciliates occurs by: -Food webs would be unchanged. A host cell All other systems show no abnormality. This stramenopile cell has a single hairy flagellum and a secondary smooth flagellum. Stramenopiles typically have two flagella of unequal length, the longer one bearing rows of tubular hairs. For example, their cell walls may be composed of cellulose, or they may be amoeboid or covered with overlapping siliceous or calcareous scales. Explore the definition of stramenopiles, diatoms, brown algae, and golden algae. However, the stricter use of the term Plantae is one that which includes only the land plants and green algae. There is a transitional helix inside the flagellum where the beating axoneme with its distinctive 9 peripheral couplets and two central microtubules changes into the nine triplet structure of the basal body.