What are the major structures for a neuron? a. nucleus, myelin sheath, cell body b. dendrites, nucleus, axon c. myelin sheath, branched terminal ends, nucleus d. axon, cell body, dendrites

Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.