Why are mitochondria arranged around the filament near the tail of the sperm

Because mitochondria provide necessary energy during the process of fertilization and help sperm to move forward.

Explanation: Mitochondria is known as the power house of cell. It provide energy where it needed.

Mitochondria areanged around the filament near the tail of sperm and help sperm to instigate and also sperm use the erergy from mitochondria in moving forward.

answer; a muscle cell, another neuron and a of the above

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme