Answer:
There is no mixing of oxygen-rich and oxygen-poor blood.
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The right atrium and right ventricle of the human heart pump oxygen-poor blood to the lungs and the left atrium receives oxygen-rich blood. They never mix.
It is intercepted first by the atmosphere, a small part of the sun's energy is directly absorbed, particularly by certain gases such as ozone and water vapor. during the day the sun shines through tha atmosphere <span>
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Answer:
I think it is the second option, maintaining a stable size and shape
Explanation:
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Answer:
anticodon sequence of three nucleotides on a tRNA molecule that bond to a complementary sequence on an mRNA molecule.
Answer:Through polymerization reactions.
Explanation:
This happens when monomers bond together to form a polymer.
