The interrelationships between the endocrine and the nervous systems are especially apparent in question 5 options: a. a steroid-producing cell in the adrenal cortex. b. a digestive enzyme-producing cell in the pancreas. c. a neurosecretory cell in the hypothalamus. d. a brain cell in the cerebral cortex. e. a neuron in the spinal cord.

C. Neurosecretory cell in the ehypothalamus

Mitochondria is the cell organelle that produced the energy that is needed in the body system in form of atp, that is why it is called the power house of the cell. energy is needed by the living organisms to carry out the activities which sustain life.  if the mitochondria is destroyed atp will not be produced. if the mitochondria is destroyed, energy production will stop and the affected living organism will not have the energy to carry out the necessary life processes; this will lead to the death of the organism.

Single strand binding protein by peptide bond