Which of the following is true of transmissible spongiform ...

[tfester]

Which of the following is true of transmissible spongiform encephalopathy (TSE)?
 
  a. Down syndrome is a form of TSE.
  b. In TSE, the ventricles are constricted.
  c. PKU is a form of TSE that involves eating human flesh.
  d. TSEs are caused by simple proteins termed prions.
  e. Parkinson's disease is caused by eating human flesh.

Question 2

The brain of an individual with Down syndrome would be expected to differ from that of a brain of a normal individual in that
 
  a. the superior temporal gyrus is larger in the left hemisphere of the Down syndrome brain.
  b. the frontal lobes are larger in the Down syndrome brain.
  c. the Down syndrome brain is 10 heavier than the normal brain.
  d. the Down syndrome brain has simpler and smaller gyri and sulci.
  e. the superior temporal gyrus is larger in the right hemisphere of the Down syndrome brain.

[lorealeza]

Answer to Question 1

Answer: d. TSEs are caused by simple proteins termed prions.

Answer to Question 2

Answer: d. the Down syndrome brain has simpler and smaller gyri and sulci.