Explanation:
Cuando los niveles de testosterona están bajos, la hormona liberadora de gonadotrofina (GnRH) es liberada por el hipotálamo que a su vez estimula la glándula pituitaria para liberar LH. Esta última hormona estimula los testículos para sintetizar la testosterona.
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Organisms that derive their energy from the sun and carbon from carbon dioxide area photoautotrophs. These organisms carry out photosynthesis. Examples of photoautotrophic organisms are: algae, green plants etc.
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MRNA are used to convert genetic information from nucleus to cytoplasm. mRNA are also called messenger RNA.