ATP looses one phosphate group and converts to ADP
Answer:
Nitrogen
Explanation:
the general form of carbohydrates is
CxH2xOx
but for protein there's a Nitrogen in the functional group
The answer is D, serving as a primary source of energy for the body.
The body systems that work together to protect the body from pathogens are the immune system and circulatory system.
<h3>What are body systems?</h3>
Body systems are groups of organs, tissues and cells that act to perform one or more specialized functions.
The immune system is an organ system that acts to protect the body against the entry of pathogenic organisms such as bacteria.
In conclusion, the body systems that work together to protect the body from pathogens are the immune system and circulatory system.
Learn more about the immune system here:
brainly.com/question/6612564
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