The immune system. It produces antibodies which fight the bacteria or virus that caused the infection
Answer:
coordinated regulation of a group of genes that encode proteins with a common function.
Scientific theories are often so powerful because they have been tested several time by different peoples and they have been found to be true. A scientific theory is a well substantiated explanation for a specific phenomenon which has undergone many observations and experiments and has stand the test of time. Thus, scientific theories always have to be reckon with because they have been severally tested.
