The alveoli are lined with mucus and are surrounded by a network of blood capillaries. They have very thin walls for gases to be absorbed through. An individual air sac is called an alveolus. The layer of moisture in the alveoli allows gases to dissolve so that they can diffuse quickly.
The answer is a<span>ctivation because during this amino acid is activated by aminoacyl-trna synthetase enzyme and added to trna</span>
Most cells in the body are diploids, germ line diploid cells will undergo meiosis to produce gametes. Fertilization following, the gametophyte phase is haploid and the part of the life cycle in which gametes are produced by mitosis of haploid cells.
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Answer:
They are both celestial bodies orbiting our Sun, and they both can have unusual orbits, sometimes straying close to Earth or the other planets
