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capter 8 vocabulary
Microbiology
| Question | Answer |
|---|---|
| Acellular slime mold | mold that forms into a plasmodium |
| Algae | often unicellular--can grow in large groups--kelps and seaweeds--major part of phytoplankton--most are motile due to flagella--cell walls composed of cellulose |
| Amoebas | protazoans--pseudopodia--move by crawling-- |
| ATP | (adenosine triphosphate)--the cells energy storage chemical |
| Cellular slime mold | mold which grows as a group of individual cells |
| Chlorophyll | found in algea--uses energy from the sun to convert carbod dioxide and water into carbohydrates and oxygen--captures photons of light and transfers energy to mitochondria that produce ATP |
| Chloroplasts | organelles that contain chlorophyll-- |
| Ciliates | protazoans with cilia--cilia beat coordinately--cilia near the oral cvity propel food to the oral opening |
| Cyst | protazoans that are resting/dormant--more resistant to drying, low temps, or scarcity of food--reminiscent of bacterial endospores--not heat stable & do not survive for weeks/months |
| Diatoms | algae that produce a silicon structural matrix that settles to the bottom of the ocean when the organisms die--skeletons are tiny porous rocks |
| Flagellates | (flagella)--motility appendages of protozoans--use their organelles of motility for locomotion and food gathering-- |
| Photosynthesis | when energy from sunlight is used to convert carbon dioxide and water into carbohydrates |
| Phytoplankton | (phyto--plant--plankton--drifting)--algae are a major part of this--free-floating masses found in the worl's saline waters--produce more oxygen than all Earth's forests--form the basis for marine food chain |
| Plasmodium | a collection of cells that are fused together--each one grows larger as the nuclei divide |
| Protists | include a broad grouping of eukaryotes other than plants, animals, and fungi--includes algae, protozoa, and slime molds--all protist cells exhibit same functions--rigid cell walls made of polysaccharides or rock salts-- |
| Protozoans | unicellular protists that lack photosynthetic ability--identified microscopically by locomotion apparatus, general shape/size, # of nuclei, & presence of cyst forms--most in water--abundant in soil and in/on animals and plants |
| Slime mold | not considered fungi--produce spors and grow in fungi habitats--several have flagella/pseudopodia--fungi are nonmotile--reclassified as protists--molds form fruiting bodies/collections of cell material that rise above area of growth & form spores |
| Sporozoites | protozoans with no motility appendages--do not make spores--produce and infectious form called sporozoites-- |
| Trophozoite | vegetative/growing form of protozoan-- |
Created by:
heatherlvn
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