Its called a double helix and nucleotides i believe are in each chain
Formal Orginization is a large, complex secondary group that has been established to achieve specific goals.
Biological, nutritional, chemical, physical, and social are the five agents recognized today. As Germ theory provided a framework for understanding the causal agents of disease.
<h3>What is Germ theory?</h3>
The germ theory is a school of thought in medicine that holds that some diseases are caused by tiny, microscopic, body-invading organisms that can only be seen under a microscope.
The "one pathogen to one disease" paradigm was built on the germ concept of disease, which Robert Koch put forth in the late 19th century and had an impact on the development of diagnostic microbiology in medicine.
Thus, Biological, nutritional, chemical, physical, and social are the five agents recognized today.
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Japan agreed to Commodore Perry's trade treaty because of the military threat. Japan was well aware that they were faced by an adversary who had a stronger military than Japan and so they had to bow down to the wishes of Commodore Perry. It did not matter whether Japan liked it or not, they had no other alternative.