Do all living cells respire?

All living organisms respire. Cells need and use the energy that is formed through this process to assist with life processes in order for organisms to survive and reproduce. Oxygen and carbon dioxide are the main gases involved in aerobic respiration. These conditions are called gas exchange surfaces.

Explanation:

Yes, all living cells respire.

Explanation:

The process releases the energy stored in glucose for life processes.

complete the square on the right side of the equation;

-5(x + 0)^2 + 15

answer: d. y = -x^2 + 15