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Definition
| the process by which the nuclear DNA undergoes repeated rounds of replication without intervening mitotic separation, yielding DNA levels higher than the haploid or diploid state |
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Definition
| living within an animal, usually as a parasite |
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Definition
| in dinoflagellates, the portion of the cell anterior to the cingulum |
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Definition
| living on the surface of rocks |
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Definition
| an organism that grows on the surfaces of plants or algae |
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Definition
| living on the surfaces of animals |
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Definition
| the hairlike medulla of Grateloupia, a Floridean from subclass Rhodymeniophycidae |
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Definition
| in red algae, a food reservoir that is different in chemical composition from starch produced in other algae... not a true starch |
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Definition
| a monophyletic group of rhodophyta; also the most divergent group of red algae |
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| storage product in red algae believed to play important roles in carbon storage, transport, and assimilation and in the regulation of osmotic balance |
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Definition
| in some brown algae, the appearance of claw like structures |
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Definition
| the uncalcified, flexible regions occurring as joints between calcified, non-flexible regions of the thalli of jointed coralline red algae |
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Definition
| in red algae, one or all of the filaments that produce carpospores |
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Definition
| spore producing filaments that develop directly or indirectly from repeated division of the zygote on the red algae |
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Definition
| in hapophytes, a flagellumlike structure arising from the cell apex, near the flagella, that contains several microtubules; may function in attachment, feeding or avoidance responses |
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Term
| Harmful Algal Blooms (HAB) |
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Definition
| an algal bloom that causes negative impacts to other organisms via production of natural toxins, mechanical damage to other organisms, or by other means |
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Definition
| morphologically different algae, i.e. the male and female gametes are of different size and or morphology (found in Bonnemaisonia and Palmaria) |
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Definition
| the portion of a dinoflagellate cell posterior to the cingulum |
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Definition
| in modern and fossil dinoflagellates, resting cysts commonly bearing distinctive projections and or markings and an excystment pore (archeophyte) |
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Definition
| section of a pit plug located underneath the plasmalema |
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Definition
| the space or section of a filament or of a thallus between nodes or joints |
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Definition
| sexual reproduction in which there are at least two multi-cellular stages that are morphologically similar i.e. male and female gametes are identical (found in Polysiphonia |
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Definition
| group of flagellate protozoa, found in the Englenoids, including a number of parasites responsible for serious diseases in humans and other animals, as well as various forms found in soil and aquatic environments |
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Definition
| a protective covering, often mineralized, that surrounds cells of various algae; a form of extracellular matrix that is usually more distant from the cell membrane than are the cell walls |
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Definition
| a generic term for the class of oxidative enzymes used in bioluminescence and is distinct from a photoprotein |
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Definition
| a class of light-emitting biological pigments found in organisms that causes bioluminescence |
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Definition
| a stage that can be seen with the naked eye (an algae you would find in the intertidal or subtidal zones maybe in the from of a seaweed) |
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Definition
| lateral bristles found on the anterior or tinsel flagellum of many heterokonts |
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Definition
| cells that contain an intermediate type of nucleus, partway between the primitive nucleoid region of the prokaryote and the complex true nuclei of eukaryotes |
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Definition
| in euglenoids, a form of motility that does not involve flagellar action; is their ability to change shape |
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Definition
| in certain marine dinoflagellates, the particulate location of bioluminescence |
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Definition
| a microscopic form of an algae |
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Definition
| algae consisting of only one life or generation cycle- no alternation of generations |
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Definition
| used to describe a group of organisms that have descended from a single common ancestor |
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Definition
| A simple or undivided nonmotile asexual spore; produced by the diploid generation of some algae |
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Definition
| a saclike structure within cells of dinoflagellates and euglenoids from which a thick, rod-shaped mucilage body can be extruded to the cell surface when the organisms are disturbed |
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Definition
| many apical cells composed of many similar axial filaments- result of a group of apical cells growth |
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Definition
| a method of feeding found in some heterotrophic organisms. It is also called "cellular vampirism" as the predatory cell pierces the cell wall and/or cell membrane of the prey cell with a feeding tube, sucks out the cellular content and digests it |
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Definition
| a class of plankton consisting of organisms that are between 2 and 20 micrometers in diameter |
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Definition
| in certain dinoflagellates, a harpoonlike ejectile structure that is morphologically distinct from the more common trichocyst |
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Definition
| part of thallus that bears branches |
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Definition
| the algae Porphyra; the most common algae used for food sources |
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Term
| nuclear associated organelle (NAO) |
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Definition
| in red algae, a ring shaped structure that occurs at the spindle poles during cell division |
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Definition
| in some algae having plastids of secondary origin (cryptomonads and chlorarachinophytes) a plastid based, double membrane enclosed structure containing DNA arranged in small chromosomes and other features suggesting origin from a eukaryotic nucleus |
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Definition
| branching directly across from each other |
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Definition
| the group of structures within pyrocystis that concentrate together and do not produce light |
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Definition
| a small hole or opening through which algae release their mature spores |
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Definition
| section of a pit plug located outside the plasmalema (in corraline algae it is dome shaped) |
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Definition
| a sheetlike extension of cytoplasm, also known as a feeding veil, that is produces by some phagotrophic dinoflagellates for the purpose of capturing and digesting prey |
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Definition
| protein rod that gives more stiffness to the flagella of euglenoids in order to trap food and stab other organisms |
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Definition
| in euglenoids, a beta-1,3 glucose polymer that occurs as granules in the cytoplasm |
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Definition
| a form of body (or thallus) in which true tissues are produced |
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Definition
| rain containing acids that form in the atmosphere when industrial gas emissions (especially sulfur dioxide and nitrogen oxides) combine with water |
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Definition
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Definition
| gelatinous substance derived from seaweed. |
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| referring to a parasite that has no particular relationship to its host |
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Definition
| A xanthine oxidase inhibitor |
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Definition
| protistas pitted with cell-like cavities |
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Definition
| protists pitted with cavities |
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Definition
| hollow cavity structure in a cell |
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Definition
| large group of protists, most of which possess a unique organelle called apicoplast and an apical complex structure involved in penetrating a host's cell. They are unicellular, spore-forming, and exclusively parasites of animals |
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Definition
| of or relating to a plant that reproduces by apomixis - a seed set without fertilization |
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Definition
| a cell in the female gametophyte where the nucleus of a fertilized zygote is transferred. |
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Definition
| the inability of an organism to synthesize a particular organic compound required for its growth |
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Definition
| luminescence produced by physiological processes |
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Definition
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Definition
| a class of complex polycyclic polyethers that cause neurotoxic shellfish poisoning |
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Definition
| female sex organ in red algae |
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Definition
| produced by female gametophytes and bear the carpogonia (female gametes) |
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Definition
| sporangium in the red algae that is formed by the carposporophyte and that contains carpospores |
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Definition
| diploid spore produced by red algae. After fertilization, the alga's carpogonium subdivides into carpospores and its nonmotile! |
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Definition
| a minute plantlet or life history stage formed on the female gametophyte after fertilization, consisting of diploid gonimoblast filaments |
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Definition
| A food additive made from a purified extract of red seaweed, commonly used as a thickening agent |
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Definition
| are marine plants commonly known as red seaweeds (Rhodophyceae) that contain carrageenan |
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Definition
| A grouping of eukaryotes, of the taxon Chromalveolata, comprising the Chromista and the alveolates |
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Definition
| a linear polymer of β(1→3) and β(1→6) linked glucose units in a ratio of 11:1 |
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Definition
| Ciguatera is a foodborne illness caused by eating certain reef fishes whose flesh is contaminated with toxins |
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Definition
| usually a furrow (girdle) encircling the cell once or several times |
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Definition
| roughly 24-hour cycle in the biochemical, physiological or behavioural processes of living entities |
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Definition
| are single-celled algae, protists and phytoplankton belonging to the division haptophytes |
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Definition
| A microscopic skeletal plate of calcite on the surface of certain marine phytoplankton; it forms chalk and limestone when fossilized |
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Definition
| pecialised cavities of marine algae that contain the reproductive organs |
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Definition
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Definition
| a closed sac having a distinct membrane and division on the nearby tissue |
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Definition
| A dinoflagellate cell type in which two dissimilar flagella emerge from the anterior part of the cell |
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Definition
| divided or dividing into two sharply distinguished parts or classifications |
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Definition
| A dinoflagellate cell type in which two flagella are inserted ventrally |
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Definition
| A spore produced through multiple fission of a dinomastigote |
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Definition
| a cellular organelle responsible for ejecting their contents from the cell. |
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