When babies are born, their brains contain about a hundred billion of neurons. However, a few of these brain cells are connected. At age three, there are one thousand trillion connections formed. The brain starts to cut off unused connections at the age of eleven.
Answer:
ATP and dATP
Explanation:
In the R1 subunit of ribonucleotide reductase, molecules that binds the site regulating overall ribonucleotide reductase activity include both ATP and dATP. In addition, binding of ATP can activate ribonucleotide reductase and the binding of dATP deactivates ribonucleotide reductase.
Answer:
B
Explanation:
competing with stronger organisms makes it difficult for the squirrel to be invasive
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The brain is incorrect. Its the nucleus (the brain is an organ not a organelle)
hope that helps :)
