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21 Cards in this Set
- Front
- Back
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What are the most abundant organisms on earth? |
Bacteria |
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Bacteria are prokaryotes. What does that term mean about bacteria? |
No nucleus No membrane bound organelles |
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Describe the kingdoms into which bacteria are classified |
Archea bacteria and EU bacteria |
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What are salt lovers |
Halophile |
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What are heat lovers |
Thermophile |
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What are cold lovers |
Psychrophiles |
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Methane makers |
Methanogens |
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Are all bacteria microscopic? |
Yes |
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Are bacteria typically larger or smaller than eukaryotic cells |
Smaller |
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How do bacteria reproduce |
Asexual - binary fission |
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What are cyanobacteria and why are they important |
Blue-green-photosynthesis=make own food, release O2 |
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Describe viruses |
Not alive not cells do not grow cannot reproduce by themselves tiny protein and nucleic acid and made of DNA or RNA |
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How do viruses infect cells (the two cycles) |
Lytic - kill host / lysogenic - viral DNA hideout |
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What causes infectious disease |
Pathogens |
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What is a vector |
Animal that carries disease |
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Name three types of pathogens |
Parasites bacteria and viruses |
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What is the study of pathology |
Study of diseases |
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Name three non infectious diseases |
COPD diabetes cancer and heart disease |
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Can antibiotics be used to treat viral infections |
No |
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Are smaller viruses larger or smaller than bacterial cells |
Smaller |
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Vaccines |
Help body fight disease train immune system to produce antibodies |
