When glucose is needed by the cell, these organelles secrete enzymes in order to begin glucose breakdown.

a. lysosomes
b. vacuoles
c. falgella

I believe the correct response would be A. Lysosomes.

A. LYSOSOMES

When glucose is needed by the cell, the LYSOSOMES secrete enzymes in order to begin glucose breakdown.

Lysosome is defined as a cell organelle containing enzymes that digest particles and that disintegrate the cell after its death. 

D.) domain, kingdom, phylum, class, order, family, genus then species