Which of the following statements correctly describes all – or – none principle?

A) A stimulus repolarizes all of the neurons in the body or not at all

B) A neuron produces a complete response to every stimulus

C) A neuron produces a complete response or no response to a stimulus

D) A stimulus depolarizes all of the neurons in the body or not at all

The condition in which joints are inflamed is bursitis select the best answer from the choices provided ot f

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.