Question

15 questions on cellular anatomy : question 13 : number 7 is point to ... a mitochondria a nucleus a vacuole

Explanation:

In cellular anatomy, mitochondria are double - membrane bound organelles often depicted as oval - shaped structures in cell diagrams. The nucleus is usually the large, central, dark - colored structure. Vacuoles are storage organelles and can vary in size. By comparing with typical cell structures' appearance, number 7 points to a mitochondria.

Answer:

A. a mitochondria