The human voice, or vocalization, results from vibration of the vocal cords. Air from the lungs is forced past the vocal cords and the resulting vibration of the vocal cords determines the fundamental pitch of the speaking voice a. True
b. False

Cartificial intelligence

Mitochondria produce atp, a high energy compound. atp is used for all sorts of enzyme-mediated reactions, such as making proteins/nucleotides/etc, certain compounds cross the cell membrane, muscles move, etc.  without this source of energy, a cell will die. it will not be able to repair itself, defend against pathogens, etc.

Enzyme. anything that ends in "ase" is usually an enzyme.

A  reaction  in which  energy  is  released  to the surroundings is called an exothermic  reaction. in this type of  reaction  the enthalpy, or stored  chemical energy, is lower for the products than the reactants. when ammonium nitrate is dissolved in water,  energyis  absorbed  and the water cools.