An abnormal cell would be identified by the immune system because ...

[tuffie]

An abnormal cell would be identified by the immune system because it showed
 A) Class I MHC proteins.
  B) Class II MHC proteins.
  C) Class I MHC proteins with an antigen bound.
  D) Class II MHC proteins with an antigen bound.
  E) a CD3 receptor complex in the membrane.

Question 2

The pyramids on the ventral surface of the medulla oblongata are formed by fibers of the ________ tracts.
 A) corticospinal
  B) corticobulbar
  C) reticulospinal
  D) vestibulospinal
  E) tectospinal

[Perkypinki]

Answer to Question 1

C

Answer to Question 2

A

[tuffie]

Wow, this really help

[ricroger]

Thanks for the timely response, appreciate it