The amount<span> of guanine </span>always equals the amount of cytosine<span>.
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The DNA is involved in both the process of inheriting traits and making proteins. It is a material that can be passed on to the next generation and determines the traits of an individual. When the protein is made, the cells can now express the trait or carry out the function.
It refers to the different variations between individuals. I hope this helps
Answer:
The left atrium pumps blood into the lungs!
Explanation: