Lactic acid produced by fermentation causes the sour taste.
Vaccines train our immune systems to create proteins that fight disease, known as antibodies’
<span>When an overwhelming body of observations and measurements supports a scientific hypothesis or group of related hypotheses, it becomes a scientific theory. A scientific theory is defined as an explanation of an facet of the natural world that one can test repeatedly using defined protocols of observation and experimentation.</span>
A lipid containing a phosphate group in it's molecule.
