For each of the following determine if its: gram (+),gram(-), both or neither 1. contains teichoic acids 2....

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Biology

For each of the following determine if its: gram (+),gram(-),both or neither
1. contains teichoic acids
2. contains mitochondria for energy production
3. contain 70s ribosomes
4. loses color when decolorizer applied during gram stain
5. contains peptidoglycan
6. contains a lipopolyaccharide layer
7. contains interbridges (crosslinks)that hold tetrapeptidestogether

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4.1 Ratings (529 Votes)

1 Gram Positive Wall teichoic acids are found only in certain Grampositive bacteria such as staphylococci streptococci lactobacilli and Bacillus spp and appear to extend to the surface of the peptidoglycan layer so far they have not been found in gram negative organisms Wall teichoic acids and their attached substituents contribute to bacterial cell surface charge and hydrophobicity which in turn affects binding of extracellular molecules This plays a role in protecting bacteria from various threats and adverse conditions See Answer

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