Answer:
The glucose and the oxygen travel out into the body through the circulatory system to reach cells that need energy. The cells use the glucose and oxygen from the circulatory system for energy production.
A central carbon atom bonded to an amino acid group and an R group.
James Watson is credited with the discovery is the stricture of DNA.
he gibe the 3D structure of DNA in 1962 ,
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Answer:
Mutations that occur in muscle and skin cells
Explanation: