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_________ are unicellular and multi-cellular with nucleus and membrane-bound organelles

Many diseases are caused by  

Microbes effectively help maintain the balance of ecosystem

Who developed pasteurization?  

Phenotypic traits were the basis for early classification

Bacteria and archaea have nuclear material that is free in the cytoplasm

Cell membrane of bacteria is  

Gram-positive bacterial cell wall is

Genetic engineering creates product/s like  

Porin proteins only allow relatively small molecules to penetrate and can be altered to block the entrance of harmful chemicals