Term
| Compare the size of viruses and cells. |
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Definition
| virus particles are tiny compared tot he smallest cells |
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Term
| Explain what nitrogen fixing bacteria do? |
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Definition
| They convert nitrogen gas into nitrogen compunds that plants need to grow |
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Term
| How are viral diseases most commonly treated? |
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Definition
| by over the counter medications and rest |
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Term
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Definition
| a vaccine is a substance that stimulates the body to produce chemicals that destroy viruses or bacteria. |
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Term
| How is botulism transmitted? |
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Definition
| eating improperly processed canned foods. |
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Term
| How is encephalitis transmitted? |
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Definition
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Term
| How is lyme diease transmitted? |
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Definition
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Term
| How is rabies transmitted? |
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Definition
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Term
| List and describe the three basic shapes of bacteria. |
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Definition
| cocci-->spherical; bacilli-->rodlike; spirilli-->spiral shaped |
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Term
| List and describe the two ways bacteria reproduce. |
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Definition
asexual reproduction - once cell divides to form 2 identical cells
sexual reproduction - two parents combine their genetic material to produce a new organism, which differs from both parents |
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Term
| List the characteristics of archaebacteria. |
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Definition
| prokaryotes, unicellular, can live in extreme environments |
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Term
| list the characteristics of eubacteria. |
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Definition
| unicellular, prokaryotes and are common bacteria. |
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Term
| List thefunctions of a viruses protein coat. |
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Definition
| encloses and protects genetic material and the shape of the proteins allwas the virus coat to attach to certain cells in the host. |
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Term
| list the structures that are always found in bacteria cells and describe the function of each... |
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Definition
| cell wall - protection; cell membrance - what passes in and out of the cell; cytoplasm - jelly stuff; ribosomes - protein producers; genetic material - instructions for the cells function |
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Term
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Definition
| break down large chemicals in dead organisms into small chemicals |
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Term
| what does the prefix staphylo mean? |
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Definition
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Term
| wjat does the prefix strepto mean? |
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Definition
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Term
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Definition
| protective casting on the outside of some bacteria |
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Term
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Definition
| an organism with cells that contain nuclei and other cell sturctures. |
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Term
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Definition
| a long whiplike structure that extends out through thte cell membrane and cell wall; used for movement |
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Term
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Definition
| an organism whose cells lack a nubleus and some other cell sturctures |
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Term
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Definition
| a substance that stimulates the body to produce chemcicals that destryoy viruses bacteria or other disease causing orgnaisms |
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Term
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Definition
| a chemical that can kill bacteria without harming a persons cells |
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Term
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Definition
| chemical that destroys bacteria and viruses |
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Term
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Definition
| a small. rounded thichwalled resting cells that forms inside a bacterial cell |
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Term
| waht is the main defference between a hidden virus and an active virus |
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Definition
| in hidden viruses, its genetic material becomes part of the cells genetic material unlike active viruses |
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Term
| waht is the main defference between a hidden virus and an active virus |
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Definition
active viruses start infection immeadeately unlike hidden viruses.
in hidden viruses, its genetic material becomes part of the cells genetic material unlike active viruses |
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Term
| if you were looking at an infected cell how would you determine if the vireus infecting it was an active or hidden virus? |
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Definition
| in hidden viruses, its genetic material becomes part of the cells genetic material unlike active viruses |
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Term
| what is the main difference between bacterial cells and other cells? |
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Definition
| bacteria are prokaryotes and the genetic material in their cells is not contained in a nucleus. |
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Term
| hwat part of a virus takes over cell functions? |
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Definition
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Term
| which of the bacteria do scientists think is the closetst realtives to earths earliest life? |
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Definition
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Term
| why are their 2 kingdoms of bacteria? |
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Definition
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Term
| why are viruses considered to be nonliving? |
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Definition
| because viruses are/do not contain cells |
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Term
| why is a virus consided to be a parasite? |
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Definition
| they destroy the cells in which they multiply |
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