-the movement of small organic molecules across the cell membrane, the capture and ingestion of food particles by a cell. E. exchange of genes between two cells, Bioremediation is: This means: The tripartite hairs have been lost in some stramenopiles - for example in most diatoms (although these organisms still express mastigonemic proteins - see below). They contain symbiotic algae. -A host cell ingests another cell already containing a primary symbiont. A. blood B. brain C. lymph glands D. David. -They are heterotrophs, but they are not parasites. The difference between an akinete and endospore is that: Which of the following characteristics is unique to the stramenopiles List all of Mrs. Schreiber's signs and symptoms. Initial laboratory reports show anemia, decreased WBC count, and an elevated ESR. alveoli, The group of protists to which you are most closely related is: The stramenopiles and the alveolates together are now widely regarded as comprising the chromalveolates. Plants share a most recent common ancestor with what group of protists? Their photosynthetic pigments appear brown, due to the presence of fucoxanthin. Which situation would be most likely to form a fossil under normal environmental conditions? C. They lack the lipopolysaccharides that Gram-negative bacteria have. Your email address will not be published. C. Amoebozoa transduction A. that all protists are of the same lineage A host cell ingests another cell already containing a primary symbiont. The photosynthetic systems of algae living in deeper water are D. It is a major tsetse flies C. sand fleas D. ticks E. drinking Although heterotrophic they may contain zooxanthellae (dinoflagellate endosymbionts). The stramenopiles include a diversity of forms, ranging from unicellular (e.g. It attacks the human genitourinary tract. The majority of these organisms are marine. -into the atmosphere -Dead plants and animals would cover the ground. C. Rhizaria plants and animals We have analyzed the distribution and. Chrysophytes include groups of unicellular, filamentous, or colonial photoautotrophic algae that are often found in freshwater ecosystems, but may also be found in marine and terrestrial ecosystems. C. It has important implications for inferring phylogeny. on soil, parasite to land plants). D. A host cell ingests one symbiont and then later ingests another one. D. anaerobic, heterotrophic, eukaryotic. ThePaulinellaplastid seems to have arisen independently from a cyanobacteria relatively recently (perhaps in the last 100 million years). produce two, (4) of which one stays in the parent cell and the other Which of the following would NOT be a consequence of the loss of all decomposers? moves to the opposite cell while the macronucleus in each cell The alveolates (meaning "pitted like a honeycomb") [2] are a group of protists, considered a major clade [3] and superphylum [4] within Eukarya. E. Alveolata, Plants share a most recent common ancestor with what group of protists? C. families Due to their similarity in growth and metabolism to fungi, they were initially incorrectly placed in the Fungi (hence the common name water molds). E. They have flagella. B. cell division by mitosis This contextual clarification is rare, such that when the taxon name is used, it is unclear how it should be understood. Cells are stained purple. Apicomplexans have complex life cycles that can include asexual and sexual stages and host switching. E. They attach to host cells by small hooks. E. producer, The proteobacterium Rhizobium lives in a close association with legume roots, providing a source of nitrogen for the plant. C. blue-green Oomycetes(water molds):This group of stramenopiles is heterotrophic and filamentous. They are widely used in the study of paleoclimatology and paleoceanography. A. thylakoids Some dinoflagellates are bioluminescent. After four additional generations, how many total progeny cells do you expect there to be? flagella identical macronucleus. Luisa Guitterez, CMA. heat-resistant spores that increase the population size and aid in E. Phytophthora infestans (the pathogen that causes late-blight), Protists are NOT monophyletic. Anopheles mosquito. Most (about 90%) of the known species of radiolarians are extinct. A. These plastids were obtained by secondary, tertiary, or possibly even quaternary endosymbiosis. TEST 2 Flashcards | Quizlet C. an herbaceous plant that is only found at very high altitudes. Required fields are marked *. C. predator Xanthophyceae (yellow-green algae) Allorge 1930 emend. It therefore included other groups, such as cryptophytes and haptophytes, which are not closely related, as indicated by molecular analysis. dinoflagellates Most stramenopiles are single-celled, but some are multicellular algae including some large seaweeds, the brown algae. Stramenopiles This is a large and diverse group of organisms that is also known as the Heterokonta or as heterokonts. A. Conquest of land by arthropods. C. it allows the development of drugs that make antibodies against the pathogen Stramenopiles may be heterotrophic or photoautotrophs. Her previous medical history is uneventful. Metaboly is a reduced level of metabolism that allows protists to The supergroup Excavata contain some of Earth's most recent eukaryotes. Flagella occur in both prokaryotes and eukaryotes. Enigmatic Stramenopile Sheds Light on Early Evolution in Ochrophyta One notable change was due to the emergence of photosynthetic organisms. The importance of kelp forests to marine vertebrate and invertebrate animal populations cannot be overstated. B. because their heavy siliceous shells impede conjugation A. orientation with respect to the Earth's magnetic field E. Spudsik emeraldensis. B. A. the production and emission of light by organisms Stramenopiles are unique in that they possess: A. double plastids B. hairy flagella C. alveoli D. disk-shaped mitochondrial cristae E. calcium carbonate crystals B. hairy flagella 12 There was a massive immigration of Irish to the United States in the mid-19th century because of a failure of the Irish potato crop caused by: E. It has a flagellum. conjugant, (6) the two haploid micronuclei in each cell fuse to form a Radially symmetrical diatoms are described as centric while bilateral diatoms are pennate.. C. are not all more closely related to each other than they are to some other organisms The taxon 'Heterokontae' was introduced in 1899 by Alexander Luther for algae that are now considered the Xanthophyceae. true mitochondria. C. They are photoautotrophs. - rhizarians, sac like aveoli, fluid is for defense or benefits, histones proteins, RNA polymerase, ribosomal proteins, protein membrane, extremophiles, flagella, histone proteins, ribosomal proteins, RNA polymerases, moderate habitats, Gene transfer: gametes, Stramenopiles are unique in that they possess: For each of the following balanced reactions, calculate how many moles of product would be produced by complete conversion of 0.15mol0.15 \mathrm{~mol}0.15mol of the reactant indicated in boldface. A. production of foodstuffs such as cheese -They are autotrophs, but they are not parasite. macronuclei and micronuclei. mitotically to form eight new haploid micronuclei, (7) the two haploid Stramenopiles are a branch of SAR that is distinguished from other members based on the presence of a unique flagellar hair called the "stramenopile hair." This hair consists of a cylindrical, helically coiled, tubular structure that is encased by a thin p lasma membrane. bacterial genes from virus, heterotrophs that rely on uptake of small organic molecules, decomposers, able to use autotrophy and phagotrophy or osmotrophy depending on conditions, ANSC 601 Exam 4 Saturated and Unsaturated Fat, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, David N. Shier, Jackie L. Butler, Ricki Lewis. (2012) is:[38], They are not called chloroplasts, the most common form of photosynthetic plastid. Significance. A. protective coverings that are hard, tough, or slimy bacterium, Flagella can be used to: A.propel the organism through . A. protective coverings that are hard, The other subgroup of chromalveolates, the stramenopiles, includes photosynthetic marine algae and heterotrophic protists. liver E. spleen, The sexual phase of Plasmodium is called a: A. D. that all protists are not in the same phylum B. A. green algae A. C. directing currents away from the flagellum -to support the life of the decomposers Chloroplast, mitochondria, nucleus, endosymbiotic. There are estimated to be at least 25,000 stramenopile species. B. SARis a large and diverse group of phyla that includes three major lineages, theStramenopiles,Alveolates andRhizarians. Radiolarians are major contributors to seafloor siliceous ooze. D. purple A. locomotion via pseudopodia B. eutrophic also disintegrate, (3) the remaining micronucleus undergoes mitosis to they are to some other kinds of organisms, Which of the following types of organisms are NOT considered to be D. promotes the dispersal of individuals more effectively E. also disintegrate, (3) the remaining micronucleus undergoes mitosis to Alveolate. C. They break down wastes. by a cell, E. the capture of food particles by a cell, Endosymbiosis gave rise to: A.chloroplasts B. A. Akinetes are whole cells filled with food, whereas endospores are bodies produced inside of cells. Most feed by filose pseudopodia. Which of the following statements DOES NOT describe how the flagella of prokaryotes and eukaryotes differ? layered rocklike structures formed by cyanobacteria. B. spores, Check all of the following that are TRUE. E. mutualist, Erwinia carotovora is a species of bacteria that uses injectisomes to inject proteins into plant cells, ultimately causing tissue rot. The protists are a diverse group of eukaryotes that cannot be classified as animals, plants, or fungi. pathogen. choanoflagellates dinoflagellates Who Can Benefit From Diaphragmatic Breathing? host cell ingests one symbiont and then later ingests another What conclusion can you make about the coliform bacteria in the pond water? C. shooting acids D. the uptake of free DNA from the environment. provided are incorrect. There are estimated to be at least 25,000 stramenopile species. tough, or slimy B. toxins C. gamma radiation D. Thanks to their calcareous tests, foraminiferans are readily fossilized. A. B. Halobacterium salinarum; A unicellular obligate aerobe that often inhabits hypersaline lakes. macronucleus divides into two with each new cell receiving an There is an alternation of One of the daughter cells is normal, but the other has a mutation in the FtsZ protein, rendering the protein nonfunctional. Organisms in the Protista kingdom include amoebae, red algae, dinoflagellates, diatoms, euglena, and slime molds. A. cyanobacteria Most oomycetes produce self-motile zoospores with two flagella. They joined other heterotrophic protists, such as bicosoecids, labyrinthulids, and oomycete fungi, that were included by some as heterokonts and excluded by others. From what you have learned about them, which among the following conditions or substances do ALL archaeans require for survival and reproduction? euglenoid, Which of the following algal phyla is most closely related to land plants? Based on this information, this organism can be classified to which supergroup? 5 E. 33, Binary fission is: This collection of pigments typically gives these algae a brown, golden, or yellow-green color. -are all members of the same phylum This group includes marine, freshwater, and terrestrial organisms that may be flagellated or amoeboid. A. ether linkages ciliates, Protists are a monophyletic group. The unifying feature of this group is the presence of a textured, or "hairy," flagellum. B. calcium carbonate crystals Most excavates are unicellular, heterotrophic flagellates. The difference between an akinete and endospore is that Some of the multicellular brown algae may be massive, forming marine kelp forests. B. C. There is approximately one coliform bacterial species per milliliter. D. the fluorescing of Gram-positive bacteria E. none of double plastids Which of the following statements does NOT describe a function of the cell walls of bacteria? Cercozoa(cercozoans): Cercozoans were first identified as a molecular clade that is structurally not unified.
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