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Bio Bacteria
| Question | Answer |
|---|---|
| 3 domains in the tree of life | Bacteria Archaea Eukarya |
| Eukaryotes have a ____. | true nucleus |
| Examples of Eukaryotes | animal cells |
| Prokaryotes made up of ____ and _____. | Bacteria and Archaea |
| Similarities of Archaea and Bacteria | unicellular, prokaryotic, cell wall and plasma membrane |
| Obligate aerobe | poisoned by oxygen |
| Obligate Anaeroble | need oxygen |
| Facultative Aerobe | can live with or without oxygen |
| Examples of extreme environments that archaea can live in | Acidophiles, Thermophiles, Alkaliphiles, Halophiles |
| Bacteria are _____ celled organisms | single |
| Bacteria have no _______ bound __________s. | membrane bound organelles |
| Bacteria have _____ walls and ______ ___________. | cell walls, plasma membranes |
| Many bacteria have _______. | plasmids |
| Spherical shape | coccus/cocci |
| Rod-Shaped | baccilus/bacilli |
| Spiral | Spirillum/spirilla |
| Cluster of cells | staphylo |
| chain of cells | strepto |
| Two cells | Diplo |
| All bacteria have | cell wall, cell membrane, cytoplasm |
| Cell wall | made of peptidoglycan |
| Cell membrane | lipid bilayer; carry out respiration in membrane; some do photosynthesis |
| Cytoplasm | fluids that contain DNA and ribosomes; some have plasmids which can replicate sperately from in a chromosome |
| Gram + | THICK outer layer of peptidoglycan with an inner membrane; stains purple |
| Gram - | thinner Layer of peptidoglycan sandwiched between two thinner membranes; stains red |
| Flagellum | made of protein; used for movement |
| Pilus | made up of protein; used for sticking to other prokaryotes |
| Capsule | mdd of sugars; allows cells to stick to other cells |
| Endospores | Dormat- structure,which means"sleeping"; Only in gram positive bacteria; allows cells to live in harsh environments |
| Reproduce by | Binary Fission |
| 2 cells split in half creating 2 ________ identical _______ | genetically identical, daughter cells |
| They grow/reproduce ______; sometimes dividing every ____ minutes | exponentially; 20 |
| Things bacteria need to grow | Food, space, ASDFGHJKLKUHYGTFDEW |
| Can reproduce sexually using their _____ during the process of _____ | pili; conjugation |
| Autotrophic | can make their own food by preforming photosynthesis or chemosynthesis |
| Photosynthesis | using sunlight to make own food |
| Chemosynthesis | using chemicals to make own food |
| Heterotrophic | obtain food from another source |
| 3 types of heterotrophic bacteria | parasitic, mutualistic, decomposing |
| Parasitic | feed off a host and harm it |
| Mutualistic | feed off a host but benefit it |
| decomposing | feed off dead organism breaking them down |
| How can you slow the growth of bacteria | freezing or refrigeration |
| How can you kill bacteria | antibiotics, cooking, disinfectants |
Created by:
carolinek9998
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