In the picture, the organelle depicted is ..

a) chloroplast
b) leucoplast
c) mitochondrion
d) stroma

a) Chloroplast

Explanation:

Since the figure shows an organism by an envelope formed by two concentric membranes containing vesicles called thylakoids, where they are organized pigments and other molecules that convert light energy into chemical energy, such as chlorophyll.

i am positive it is c. condensing but i may be wrong

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.