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15 Cards in this Set
- Front
- Back
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Name the 4 shapes of Cell mophology?
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Cocci:- Round or spheres
Bacillus:- Rods Spirillum:- Spiral/wavy Spirochele:- Corkscrew |
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The shape of cell morphology is maintained by what?
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Peptidoglycan cell wall
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Cell is covered by what?
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Cell or plasma membrane
Cell wall |
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What is cell wall composed of?
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Peptidoglycan
Outer membrane in some bacteria |
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Name the stuctures inside the cell covering?
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Cytoplasm
Ribosomes Nucleoid region Plasmid Mesosomes Cesicles or inclusions |
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What is the functions of ribosome?
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IT is the site for protein synthesis.
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What are the 70s ribosomes composed of?
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30s and 50s subunits.
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What does the "S" in "30s,50s,70s ribosomes" stand for?
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The "S" stands for sedimentation coefficient or Svediberg Unit.
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What is the functions of Nucleoid regions?
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It is the area containing the bacteria chromosome.
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What is bacteria chromosome?
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IT is a circular DNA containing most genes for the bacteria structure and function.
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What is Plasmid?
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It is a small circular extrachromosomal DNA capable of independent replications & carries gene for resistance & or fertility.
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What are the 2 types of Plasmid?
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R-plasmid
F-Plasmid |
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What is the funtions of R-plasmid?
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It carries gene for resistance against chemicals & drugs.
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What are the functions of F-plasmid?
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It contain genes that enhance fertility & gen transfer in conjugation or suxductions. (passing information from one DNA to another.
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What does F-Plasmid encode?
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Pili:-a bridge used to transfer DNA from F+ to F-.
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