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3 Cards in this Set
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What is the typical size of a prokaryotic cell? Learn to describe them!!! |
Average size is .2-2.0 in diameter and 2-8 micrometers in lenght -Monomorphic; Bacteria that only has a single shape, cannot alter its shape. -Pleomorphic; The abillity of certain bacteria to alter their shape and size in response to environmental conditions. |
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What are the basic cell morphology and arrangements of prokaryotic cells? learn to describe them!! |
Cocci; they are in round shaped -Diplococci; two cocci together -Streptococci; arranged in a que. ie ...... -Tetrad four round cocci stuck together in the same plane -Sarcinea 8 cocci arranged in a cube; -Staphylococci; a cluster of cocci
Bacilli; Bacteria shaped like a rod -Single bacillus looks like a rod -Diplobacilli; two bacilli -Streptobacilli; several bacilli stuck together at each end as to form one long rod -Coccobacillus;shaped like cocoa bean size 1micrometer
Spiral; -Vibrio shaped like a sausage -Spirillum; shaped like a thick wine cork remover -Spirochete; Shaped like a thin wine cork remover |
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What are the structural componets of a prokaryotic cell? |
Glycocalyx(capsule) -location; outside the cell wall -Composition; polysaccharides/polypeptides -Function; attachment, avoid phagocytosis, biofilms, controlling nutrients/ dehydration
Flagella; Flagella proteins are H antigens -indentify as serovars of bacteria (stains) -Function; Cellular movement
-Arrangements of flagella -peritrichous; has flagella all around the cell -Monotrichous and polar; has only one flagella -Lophotrichous and polar has several flagella coming out of just one part of the cell only -amphitrichous; has flagellas in both ends of the cell opposite to each other.
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