A is true, the others are not. I would assume they count the mRNA and tRNA in protein synthesis as 'double stranded'
Answer:
El tejido óseo sirve como depósito y fuente de calcio para estas necesidades metabólicas críticas a través del proceso de remodelación ósea. El metabolismo del calcio está regulado en gran parte por el sistema endocrino de la hormona paratiroidea (PTH) -vitamina D, que se caracteriza por una serie de circuitos de retroalimentación homeostática.
Explanation:
The answer is C. Hope this helps
<span>This would be an estimated average requirement, or EAR. This amount is considered what would be "average" for the predominant body type and person regarding the intake of a nutrient. This may be more or less than what will be later calculated as the recommended daily allowance for that nutrient.</span>