Answer:
Oxygen enters the body in the mouth and nose, passes through the larynx and the trachea. The trachea splits into two bronchial tubes, which lead to smaller tubes that lead to 600 million alveoli, which are small sacs surrounded by capillaries. The capillaries take oxygen into the arteries, and the oxygen-rich blood is then pumped into every cell of your body. Once the oxygen has been absorbed, carbon dioxide and water are eliminated through the lungs.
Explanation:
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D. Universal Law of Gravitation.
The answer to this question is histidine. Histidine i<span>s an </span>α-amino acid<span> involved in the biosynthesis of </span>proteins. The structure of histidine includes<span> an </span>α-amino acid<span>, a </span>carboxylic acid group<span>, and an </span>imidazole<span> side chain. Histidine was initially thought to be </span>essential<span> only for infants; however, it has since been found to be essential for adults too.</span>
Answer:
Replication Forks
Explanation:
When replication starts, an origin of replication forms, consisting of two replication forks moving in opposite directions.
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