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BruzzanoProtista
Bacteria and Protista
| Question | Answer |
|---|---|
| Prokaryotic | single celled with no nucleus or membrane bound organelle. |
| 2 major groups of prokaryotes: | Bacteria, archaea |
| Bacteria cells are protected by a cell wall that contains what unique molecule: | Peptidoglycan |
| How does the peptidoglycan vary in bacteria? | Either think or thin |
| Do gram negative bacteria have thin or thick peptidoglycan? | thin |
| What color does gram negative bacteria stain? | red-pink |
| Do gram positive bacteria have thin or thick peptidoglycan? | thick |
| What color does gram positive bacteria stain? | blue-purple |
| What are the 3 shapes of bacteria? | rod, sphere, spriral |
| What shape is bacillus? | rod |
| What shape is coccus? | sphere |
| What shape is spirillum? | spiral |
| What are the colony shapes of Cocci? | chains or grape bunches |
| Streptococcus is what shape? | chains |
| Staphylococcus is what shape? | grape bunch |
| What are colony shapes of Bacilli? | chains, flagellate rods, and single rods |
| Do bacteria reproduce sexually or asexually? | both |
| What is binary fission? | asexual reproduction. |
| What are the hair like structures on bacteria that can be sexual structures? | pili |
| How often does bacteria divide? | Every 20 minutes |
| Some bacteria produce _______________ that allow it to be dormant for long periods of time when conditions are bad and then reactivate when conditions improve. | Endospore. |
| List 3 cyanobacteria and what it looks like | Glaeocaspsa (groups of spheres), Oscillatoria (green grass), Anabaena (bead chains) |
| All photosynthetic protists contain green ______________ and do what? | chlorophyll, photosynthesize |
| Name some photosynthetic protists? | green, red, brown algae, diatoms, dinoflagellates |
| Are protista prokaryotic or eukaryotic? | eukaryotic |
| Green algae are ancestors of what? | Land plants |
| Is spirogyra (green algae) filamentous or colonial? | filamentous |
| Is volvox (green algae) filamentous or colonial? | colonial |
| This green algae looks like small tubes/ transparent cane grass filled with a yellow-green substance. | spirogyra |
| This green algae looks like a single green ball with darker green spots on it which are daughter colonies. | volvox |
| Brown and red algae are commonly called ____________ | seaweed |
| Which protists has silica in its cell walls? | Diatoms |
| Dinoflagellates have how many flagella? Are they free flowing? | 2. 1 is free, the other is not |
| Do heterotrophic protists photosynthesize? | no |
| How do heterotrophic protists gain energy? | ingesting food through vacuoles |
| What are ways that heterotrophic protists move? | pseudopodia, cilia, flagellum |
| Amoebas have pseudopodia, cilia, or flagellum? | pseudopodia |
| Paramecium have pseudopodia, cilia, or flagella? | cilia |
| Trypanosoma have pseudopodia, cilia, or flagellum? | flagellum |
| brown algae are called ___________ | kelp |
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mbruzzano