When a catalyst is added to a reaction mixture, it Group of answer choices increases the rate of collisions between reactant molecules. None of these choices are correct. provides reactant molecules with more energy. provides a new pathway (mechanism) for the reaction. slows down the rate of the back reaction.

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later

Wagons/motorized vehicles

Theoretical temperature at which molecules stop moving and no more heat can be removed from the object. kelvin: absolute zero degrees. none of the above.

It can be classified based on its