Question Lecture 11

Question 1

1. The difference between viroids and prions is _____.
   (A) Prions are proteins and viroids are RNA
   (B) Viroids are found in plants and animals
   (C) Prions are infectious RNA molecules
   (D) Viroids are misfolded protein molecules
   (E) None of the above

Answer 1

a

Question 2

2. The effects of misfolded confirmation of prions are ______.
   (A) Resistance to proteases
   (B) Becoming insoluble
   (C) Inducing the misfolding of native proteins
   (D) Both A and B
   (E) All of the above

Answer 2

e

Question 3

3. Subviral entities are _____.
   (A) Only found in plants.
   (B) Infectious agents that resemble a virus.
   (C) Infectious agents that have no cure.
   (D) Difficult to get under control.
   (E) None of the above

Answer 3

b

Question 4

4. Prions spread, or replicate, by which method of action?
   (A) Misfolded proteins induce misfolding in normal prion proteins
   (B) Misfolded proteins are translated
   (C) Normal prion protein sequence is mutated
   (D) They don’t grow, only the original prion is needed to cause the disease
   (E) None of the above

Answer 4

a

Question 5

5. Viroids differ from viruses in that they are only made up of ____.
   (A) mRNA
   (B) Proteins
   (C) RNA
   (D) DNA
   (E) None of the above

Answer 5

c