Many governmental agencies have great effects on how one lives his or her life, including the food eaten and the proper amount of intake. However, many of the media-based nutritional information have not been reviewed by the USDA (United States Department of Agriculture) and FDA (Food and Drug Administration). So, the answer is false.
The white blood cell identifies the toxin produced by the pathogen and creates antibodies to fight the pathogen
I think A is the answer its hard to explain but i hope this helped.
Amino acid differs at the glutamine, which is converted to valine in hemoglobin S. the body produced hemoglobin S due to a point mutation in the DNA sequence which results in different amino acid to be formed during translation of DNA sequence codons.