A brain natriuretic peptide (BNP) test measures the amount of the BNP hormone in your blood. BNP is made by your heart and shows how well your heart is working.Normally, only a low amount of BNP is found in your blood.uide. A brain natriuretic peptide (BNP) test measures the amount of the BNP hormone in your blood. BNP is made by your heart and shows how well your heart is working. Normally, only a low amount of BNP is found in your blood.
Bacterial cultures can be preserved for long by suspending in glycerol broth and storing at -20 to -70 degree Celsius. The protocol as below: To 0.85 ml of bacterial culture, add 0.15 ml of sterile glycerol (sterilized by autoclave, final glycerol concentration : 15%, v/v).
How Do Bacteria Reproduce? Bacteria are microorganisms that have been around for billions of years. How have they survived all that time? Microorganisms are experts at reproducing, not only can they produce new bacteria fast, but easily too.ow Do Bacteria Reproduce? Bacteria are microorganisms that have been around for billions of years. How have they survived all that time? Microorganisms are experts at reproducing, not only can they produce new bacteria fast, but easily too.