Question

____ are vesicles that use oxygen to break down toxic substances in the cell.
a transport vesicles
b lysosomes
c peroxisomes
d none of the above

Explanation:

Peroxisomes are cell - organelles that use oxygen to break down toxic substances like hydrogen peroxide. Transport vesicles are for moving materials within the cell, and lysosomes use enzymes to break down waste but not specifically using oxygen for toxic - substance breakdown as peroxisomes do.

Answer:

c. Peroxisomes