Answers:
1.) D
2.) B
The pons plays a crucial role in REM sleep, which is the state of sleep in which dreaming occurs.
The correct answer is A, the "promoter" site is the RNA polymerase binding site on a typical gene. This is how the process of gene expression begins. The RNA polymerase (a protein that builds RNA) binds to the promoter site of the DNA strand. It then begins the process of 'transcribing' the DNA code into an RNA strand, which can then be 'translated' into an amino acid chain to form a protein, which is the expression of the gene.
This is called the nacreous layer, the pearly layer.
Answer:
El magma es una roca líquida y semilíquida extremadamente caliente ubicada debajo de la superficie de la Tierra. Este magma puede atravesar agujeros o grietas en la corteza, provocando una erupción volcánica. Cuando el magma fluye o entra en erupción en la superficie de la Tierra, se llama lava. Como la roca sólida, el magma es una mezcla de minerales.
Espero que esto ayude
