The portions of an antigen to which antibodies bind are the A) ...

[kamilo84]

The portions of an antigen to which antibodies bind are the
 A) active sites.
  B) reactive sites.
  C) antigenic determinant sites.
  D) antibody active sites.
  E) antigen activation segments.

Question 2

Preganglionic neurons of the autonomic nervous system are located in
 A) the brain.
  B) the lateral gray horns of the spinal cord.
  C) the posterior gray horns of the spinal cord.
  D) both the brainstem and the lateral gray horns of the spinal cord.
  E) the cerebrum.

[Mollythedog]

Answer to Question 1

C

Answer to Question 2

D

[kamilo84]

Excellent

[Mochi]

Gracias!