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| 1 | Describe four differences between prokaryotic and eukaryotic cells. |
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| 2 | The three taxonomic domains are: |
| A) | Protista, Bacteria, Archaea |
| B) | Protista, Bacteria, Archaebacteria1 |
| C) | Eurkarya, Bacteria, Archaebacteria |
| D) | Eukarya, Bacteria, Archaea |
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| 3 | List the four groups in the domain Eukarya and give an example of each. |
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| 4 | Bacteria in the kingdom Bacteria are the most abundant and most widely distributed group of organisms. |
| A) | True |
| B) | False |
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| 5 | Many Archaebacteria are ________ organisms that can live in extremely acidic, salty, hot, or anaerobic conditions. |
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| 6 | Draw and label the three common shapes of bacteria in the kingdom Bacteria. |
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| 7 | Most bacteria are ________, meaning that they derive their energy from orgaic molecules made by other organisms. |
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| 8 | Define binary fission. |
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| 9 | Gram-negative bacteria appear purple after they have been exposed to a Gram stain. |
| A) | True |
| B) | False |
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| 10 | Most bacteria are harmless to humans. |
| A) | True |
| B) | False |
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| 11 | The bacterium that causes the disease botulism can survive in anaerobic conditions by forming thick-walled resistant ________. |
| A) | botulospores |
| B) | endospores |
| C) | basidiospores |
| D) | exospores |
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| 12 | In a Gram stain, why do you counterstain with safranin? |
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| 13 | Define nitrogen fixation. |
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| 14 | Name three characteristics of bacteria colonies that can be used to classify bacteria. |
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| 15 | A ________ is used to determine the effectiveness of one or more antibiotics by comparing bacterial growth or inhibition around paper disks containing various antibiotics. |
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| 16 | All cyanobacteria are blue-green in color. |
| A) | True |
| B) | False |
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| 17 | What is the function of heterocysts in cyanobacteria? |
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| 18 | Are you a heterotroph or an autotroph? |
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