Methods of handling microbial cultures, and patient specimens in a way that prevents infection of the handler and others who may be exposed.
Ex: Sanitization,Disinfectants, Antiseptics-growth-inhibiting agent used on tissues to prevent infection.
made of amino acids
-shape of protein determines function
-amino acids (aka peptides) are connected by peptide bonds which are formed by dehydration reactions
-the carboxyl group of an amino acid joins to the amino group of the other via a peptide bond
Gram positive: absorb crystal violet and turn blue
Gram negative: absorb safranin and appear red
flow of substances across membrane that does not consume ATP
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