protists

  • 1 protists — (pro tist) Eucaryotes with unicellular organization, either in the form of solitary cells or colonies of cells lacking true tissues …

    Dictionary of microbiology

  • 2 protists — n. single celled organism from the kingdom Protista …

    English contemporary dictionary

  • 3 protist — protistan /proh tis teuhn/, adj., n. protistic, adj. /proh tist/, n. any of various one celled organisms, classified in the kingdom Protista, that are either free living or aggregated into simple colonies and that have diverse reproductive and… …

    Universalium

  • 4 Protist — Taxobox | color = khaki name = Protist fossil range = Neoproterozoic Recent image width = 250px image caption = domain=Eukarya domain authority=Whittaker Margulis, 1978 regnum = Protista* regnum authority = Haeckel, 1866 subdivision ranks =… …

    Wikipedia

  • 5 marine ecosystem — Introduction       complex of living organisms in the ocean environment.       Marine waters cover two thirds of the surface of the Earth. In some places the ocean is deeper than Mount Everest is high; for example, the Mariana Trench and the… …

    Universalium

  • 6 Origin and function of meiosis — Eukaryotes are organisms with a true nucleus in which the DNA genome is enclosed in a double membrane (e.g. fungi, protozoans, vertebrates, higher plants), in contrast to prokaryotes (bacteria and blue green algae) that lack a nuclear membrane.… …

    Wikipedia

  • 7 Microorganism — Microbe redirects here. For other uses, see Microbe (disambiguation). A cluster of Escherichia coli …

    Wikipedia

  • 8 Protozoa — Leishmania donovani, (a species of protozoa) in a bone marrow cell Protozoa are a diverse group of single cell eukaryotic organisms,[1] many of which are motile. Throughout history, protozoa have been defined as single cell protists …

    Wikipedia

  • 9 protozoan — /proh teuh zoh euhn/, n., pl. protozoans, (esp. collectively) protozoa / zoh euh/, adj. Biol. n. 1. any of a diverse group of eukaryotes, of the kingdom Protista, that are primarily unicellular, existing singly or aggregating into colonies, are… …

    Universalium

  • 10 Amoeboid — Foraminiferan (Ammonia tepida) Amoeboids are single celled life forms characterized by an irregular shape.[1] Amoeboid and amœba are often used interchangeably even by biologists,[2] and especially …

    Wikipedia

  • 11 Asexual reproduction — in liverworts: a caducous phylloid germinating Asexual reproduction is a mode of reproduction by which offspring arise from a single parent, and inherit the genes of that parent only, it is reproduction which does not involve meiosis, ploidy… …

    Wikipedia

  • 12 Endosymbiont — An endosymbiont is any organism that lives within the body or cells of another organism, i.e. forming an endosymbiosis (Greek: ἔνδον endon within , σύν syn together and βίωσις biosis living ). Examples are nitrogen fixing bacteria (called… …

    Wikipedia

  • 13 Organelle — A typical animal cell. Within the cytoplasm, the major organelles and cellular structures include: (1) nucleolus (2) nucleus (3) ribosome (4) vesicle (5) rough endoplasmic reticulum (6) Golgi apparatus …

    Wikipedia

  • 14 algae — algal, adj. /al jee/, n.pl., sing. alga / geuh/. any of numerous groups of chlorophyll containing, mainly aquatic eukaryotic organisms ranging from microscopic single celled forms to multicellular forms 100 ft. (30 m) or more long, distinguished… …

    Universalium

  • 15 bioluminescence — bioluminescent, adj. /buy oh looh meuh nes euhns/, n. the production of light by living organisms. [1915 20; BIO + LUMINESCENCE] * * * Emission of light by an organism or biochemical system (e.g., the glow of bacteria on decaying meat or fish,… …

    Universalium

  • 16 taxonomy — taxonomic /tak seuh nom ik/, taxonomical, adj. taxonomically, adv. taxonomist, taxonomer, n. /tak son euh mee/, n. 1. the science or technique of classification. 2. Biol. the science dealing with the description, identification, naming, and… …

    Universalium

  • 17 Model organism — Escherichia coli is a gram negative prokaryotic model organism …

    Wikipedia

  • 18 Homologous recombination — Figure 1. During meiosis, homologous recombination can produce new combinations of genes as shown here between similar but not identical copies of human chromosome 1. Homologous recombination is a type of genetic recombination in which nucleotide …

    Wikipedia

  • 19 Eukaryote — Eukaryotes Temporal range: Proterozoic – Recent Scientific classification Domain: Eukaryota Whittaker Margulis,1978 Kingdoms …

    Wikipedia

  • 20 fungus — fungic /fun jik/, adj. funguslike, adj. /fung geuhs/, n., pl. fungi /fun juy, fung guy/, funguses, adj. n. 1. any of a diverse group of eukaryotic single celled or multinucleate organisms that live by decomposing and absorbing the organic… …

    Universalium


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