The ________ and ________ domains of the class II MHC protein interact to form a peptide-binding ...

The ________ and ________ domains of the class II MHC protein interact to form a peptide-binding site.
 
  A) B / T
  B) light / heavy
  C) C / V
  D) 1 / 1

---

The peptides bound by a single MHC protein share a common
 
  A) C domain.
  B) peptide motif.
  C) V domain.
  D) nucleotide sequence.

---

The major histocompatibility complex is also called the
 
  A) human leukocyte antigen (HLA).
  B) T cell receptor.
  C) toll-like receptor complex.
  D) T cell receptor or toll-like receptor.

---

The occurrence of multiple alleles at a specific locus is called
 
  A) signal transduction.
  B) the variable domain.
  C) polymorphism.
  D) allelic exclusion.

---

The ________ is a highly conserved amino acid sequence found in immunoglobulin, TCR, and MHC proteins.
 
  A) heavy chain
  B) V domain
  C) C domain
  D) light chain