Associate to each letter indicated in the image below the name of the CRISPR/Cas molecular component

In the CRISPR/Cas9 system, the enzyme that acts as a molecular scissors to cut DNA is called:

What parts of the CRISPR locus are homologous to viral DNA sequences?

In what region of the bacterial DNA are CRISPR sequences located?

Select for each of the following molecules the correct pathway of secretion (constitutive or regulated exocytosis)