A. arteries and veins.
Just as tubes within the stems and leaves of plants transport water, arteries and veins within animals transport blood with the required nutrients for our bodies.
I think yes but im just answering to ask a question sorry
<span>In biochemical reactions, it is mostly triggered by enzymes. Enzymes are important components in the process that involves metabolism and digestive functions, further, most of these enzymes are proteins. </span>Proteins are biological macromolecule and mostly composed of enzymes.<span> Proteins play a role in the physical make-up of a cell or acts as a cytoskeleton –maintains cell shape and figure. These proteins plays different roles and works with nucleic acids and other macromolecules in the cells including cell cycle, cell adhesion, immune response and cell indicators. <span>
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En la reproducción sexual, los descendientes son distintos entre ellos y a sus progenitores. No se produce ninguna nueva variedad genética, pero sí nuevos genotipos (combinaciones de genes). Durante la meiosis se producen gametos, células sexuales con la mitad de cromosomas que las células somáticas.
