Which two cells in model 2 will have difficulty containing and getting rid of waste within the cell? why?

The correct answer is cell 4 and 7 as they are missing lysosomes.

Explanation:

A lysosome refers to a membrane-bound organelle, which comprises digestive enzymes. These organelles take part in different cellular procedures. They dissociate the cells that get worn out are in excess amounts. Lysosomes also help in a process of self-destruction known as apoptosis or programmed cell death.  

If cell lack lysosomes, then a cell would find it tough in getting rid of the wastes present within, eventually the cell would become irregular in shape, and would even result in bursting. The cell would lose the tendency to fight off disease and the invading pathogens.  

i believe the answer is c