Some infections are diagnosed rapidly by detecting bacterial antigens. The dirct ELISA test and the latex agglutination test use antibodies to detect the presence of Streptococcus pyogenes on a throat swab, without having to wait 18 - 24 hours for the bacteria to grow in culture. Which approach to identification of bacteria is this an example of

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.