Es un combustible fosil utilizado frecuentemente en las hornallas de nuestras cocinas para calentar los alimentos .
QUE ES?
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Empieza con G

Gas natural

Explanation:

the tricuspid valve is present between right atrium and right ventricle

the answer to the blank provided is “an autosomal gene that is required for the expression of genes on the x chromosome”.

testis-determining factor, abbreviated as td, which is more popularly known as sex-determining region y or sry protein, is a dna-binding protein or  gene-regulatory protein/transcription factor, encoded by the  sry gene. it is the gene responsible for the initiation of male gender determination in humans.