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Medical Microbiology
Medical Microbiology
10
Medical
Undergraduate 2
04/11/2008

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Term
teichoic Acid. Where? Does?
Definition
gram positive cell wall. acts as an antigenic determinant
Term
peptidoglycan layer
Definition
or cell wall. Made up of repeating disaccharides with 4 amino acids in a side chain extending from each diaccharides
Term
Porin proteins
Definition
only in gram- neg. Allow passage for nutrients
Term
Pleomorphic
Definition
Lack a distinct shape
Term
Bacterial DNA
Definition
Single circle of double stranded DNA
Term
Plasmid
Definition
Smaller adjacent circles of double stranded DNA. often contains antibotic resistance
Term
Obligated aerobes
Definition
need oxgen to produce energy. is final electron accepter
Term
Facultatative anaerobes
Definition
They are aerobes! oxygen is there final accepter. But can grow in the absance of oxygen by fermination.
Term
Microaerophilic bacteria or aerotolerant anaerobes
Definition
use fermination. Have no electron transport chain. Can tolerate low amounts of oxygen. Superoxide dismutase
Term
Obligate anaerobes
Definition
hate oxygen. can grow in its presance
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