What type of molecule are viroids composed of?
A) protein
B) DNA
C) carbohydrate
D) RNA
Correct Answer:
Verified
Q23: Viral genomes are difficult to sequence.
Q24: Creutzfeldt-Jakob disease (CJD) is a fatal prion
Q31: Some viruses can cause cancer.
Q33: Which prion disease affects sheep?
A)kuru
B)scrapie
C)muru
D)bovine spongiform encephalopathy
Q33: Who is credited with the discovery of
Q34: In which viruses are envelopes most commonly
Q34: Polio virus is often used in genetic
Q36: Evidence suggests that viruses evolved only after
Q37: Viral infections in plants are spread from
Q39: Which protein or enzyme would be a
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