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24 Cards in this Set
- Front
- Back
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all cells have what 3 basic components:
1. 2. 3. |
1. cell envelope (barrier)
2. genetic material 3. cytoplasm |
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what types of cells have cell walls:
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plant and most prokaryotic cells
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viruses are considered particles and not cells and have 2 of the basic components common to all cells, they are:
1. 2. |
cell envelope
genetic material |
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All organisms have been divided into two categories:
1. 2. |
prokaryotes
eukaryotes |
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prokaryotes have organelles:
(true/false) |
false
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prokaryotes do not have a nucleus but instead have a ... which is ...
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nucleoid
a region in the cell where the chromosomes are located |
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prokaryotic ribosomes are ...
Eukaryotic ribosomes are ... |
70s
80s |
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where would you find 70s ribosomes:
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mitochondria and chloroplasts in eukaryotes and prokaryotes
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what are the 3 microbial domains:
1. 2. 3. |
bacteria
archaea eukarya |
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classification of organisms on the basis of the evolutionary relatedness is called ...
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phylogeny
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Mitochondria appear to be related to the ...
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modern purple bacteria
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Many antibiotics that interfere with protein synthesis in bacteria will also affect what:
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mitochondria
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what are the names of the following bacterial shapes:
1. single cells 2. chains of two cells |
cocci
diplococci |
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what are the names of the following bacterial shapes:
1. irregular clusters of cells 2. long chains of cells 3. rod shaped cells |
1. staphylococci
2. streptococci 3. bacilli (singular-bacillus) |
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what are the names of the following bacterial shapes:
1. curved or spiral shaped rods 2. tightly coiled |
1. called spirilla (singular-spirillum)
2. spirochetes |
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identify the bacterial shapes:
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(see figure)
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what are the cocci shaped microorganisms:
1. 2. 3. 4. 5. 6. 7. |
1. Chlamydia
2. Chlamydophila 3. Enterococcus 4. Moraxella 5. Neisseria 6. Staphylococcus 7. Streptococcus |
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what are the curved or spiral shaped microorganisms:
1. 2. |
1. Campylobacter
2. Helicobacter |
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what are the spirochete shaped microorganisms:
1. 2. 3. |
1. Borrelia
2. Leptospira 3. Treponema |
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what are the filamentous shaped microorganisms:
1. 2. |
1. Actinomyces
2. Mycoplasma |
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what is the diameter of a typical
coccus: rod: red blood cell: |
1. 2μm
2. 1μm 3. 6μm |
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how many layers is the cell envelope in most bacteria:
identify the layer(s) |
at least 2
cytoplasmic membrane and cell wall |
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gram positive bacteria stain ... and grand negative bacteria stain ...
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purple/blue
pink/red |
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what is the difference between gram positive and gram negative cell walls:
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gram positive: cell wall has thick layer of peptidoglycan
gram negative: cell wall has thin layer of peptidoglycan and surrounded by second membrane called outer membrane |
