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Chapter 26 Bio Terms
Protozoa
| Question | Answer |
|---|---|
| where food vacuoles are formed that then circulate throughout the cell's cytoplasm | gullet |
| digestive disorder that causes pain & becomes more serious if amoebas are carried by the blood to the liver/other organs | amebic dysentery |
| participates in the exchange of GM between idvs during conjugation | micronucleus |
| disorder transmitted by the tsetse fly. (only in Africa) Symptoms are fever, extreme lethargy, mental retardation, & coma. Also called the "sleeping sickness: | trypanosomiasis |
| form of cell devision that results in a number of identical idvs | multiple fission |
| oggl that rids the cell of excess water that diffuses into the cell | contractile vacuole |
| shell that protects sarcodine cell membranes | test |
| emerge from sporozoites that are with liver cells. These then go affect RBC,where they reproduce asexually. Every so often they burst out of RBC & release toxins into blood that causes malaria symptoms | merozoite |
| pop of orgs that is the primary source of energy in aquatic ecosystems | zooplankton |
| clear, elastic layer of protien that surrounds the cell membrane | pellicle |
| diseased characterized by severe chills, fever, sweating, fatigue, & great thirst. Victims die of anemia (too much blood lost) kidney failure, and brain damage | malaria |
| way pzoa reproduce sexually, where idvs from opposite mating strands pair & exchange GM. | conjugation |
| inner portion of the cytoplasm | endoplasm |
| funnel-like depression lined with cilia that create water currnets that sweep food into the cell | oral groove |
| when pseudopodia is thrusted outward and the cell's cytoplasm flows in the direction of the new pseudopodium | ameboid movement |
| when mosquito bites a person, it enters the blood stream, and travels to the liver cells to divide rapidly | sporozoite |
| localized region of pigment that many free-living species of pzoa have. It detects changes in quantity and quality of light | eyespot |
| outer layer of the cytoplasm | ectoplasm |
| illness characterized by severe diarrhea and intestinal cramps - usually isnt fatal | giardiasis |
| specialized cell that merozoites in blood may develope into. when mosquito bites a person, these enter mosquito's digestive system & form zygotes that divide to produce sporozoites, thus completing the the cycle | gametocyte |
| dormant form characterzed by a hardened external covering | cyst |
| internal flowing of a cell's cytoplsm | cytoplasmic streaming |
| where molecules that are not digested move to. They exit the cell via this | anal pore |
| contains multiple copies of DNA & is responsible for metabolic & developmental functions. Also necessary for asexual rpn | macronucleus |
| single celled euk orgs that are noted for moving independently | protozoa |
| transmitted by the insect called the "kissing bug". Causes fever and severe heart damage | Chagas' disease |
| large rounded cytoplasmic extensions that function in movement | pseudopodium |
| eukaryotic orgs that all lack tissue differentiation and can be described as animal-like, plant-like, and fungus-like | protist |
| oldest group of sarcodinians that live in shallow, open water. Thier tests contain silicon dioxide, & usually have an arrangement of spines that extend through the shell | radiolarian |
| oral groove leads to this, so food is swept down this from the oral groove | mouth pore |
| membrane-bound chamber containing digestive enzymes that pzoa ise to break down their "food" | food vacuole |
| disease in humans that is almsot harmless to healthy (might get flu-like symptoms) but dangerous to developing fetuses or newborns | toxoplasmosis |
| ancient group of shelled sarcodinians with their tests made of calcium carbonate and are found primarily in oceans | foraminiferan |
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DaMasta6018
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