Nucleic acids<span> are long polymers of repeating </span>subunits<span> called nucleotides. Each nucleotide is made </span>up<span> of three smaller building blocks (Figure 17): Figure 17 The structure of a nucleotide and the formation of </span>nucleic acid<span> chains.</span>
<em>Answer:</em>
<em>Ejemplos de seres vivos:
</em>
<u><em>Animales: puma, gato, ballena, cóndor, etc.
</em></u>
<u><em>Flores: rosa, maravilla, clavel, tulipán, etc.
</em></u>
<u><em>Plantas: helecho, filodendro, ficus, alga, etc.
</em></u>
<u><em>Árboles: manzano, palmera, pino, etc.
</em></u>
<u><em>Seres humanos: niño, mujer, abuelo, etc.</em></u>
<em>Explanation:</em>
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Answer:
Respiration occurs when glucose (sugar produced during photosynthesis) combines with oxygen to produce useable cellular energy. This energy is used to fuel growth and all of the normal cellular functions.