The correct answer is option A. Carrying the genetic code and determining an organism's structure and function are the functions of DNA. It is the hereditary material in almost all other organisms. The information in a DNA is stored as codes that is composed of chemical bases.
Answer:Sleep helps keep your heart healthy
A regular sleep pattern can help to lower the levels of stress and inflammation to your cardiovascular system, which in turn can reduce your chances of a heart condition.
Explanation:
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Genetic engineering is a big part of agriculture. that would be your answer
Natural system is former when various components get grouped together for a particular function