Viroids:
A) are infectious pieces of RNA.
B) are infectious pieces of DNA enclosed in a protein coat.
C) have a plasma membrane.
D) are infectious chains of amino acids.
E) attack bacteria.
Correct Answer:
Verified
Q40: Oil spills are sprayed with bacterial cultures
Q41: Herpes is caused by:
A)bacteria.
B)prions.
C)viruses.
D)viroids.
E)fungi.
Q42: Which of the follow is not alive?
A)bacterium
B)virus
C)cyanobacterium
D)protist
E)plant
Q43: Which is the correct sequence of viral
Q44: Rabies is caused by:
A)bacteria.
B)prions.
C)viruses.
D)viroids.
E)fungi.
Q46: AIDS is caused by:
A)bacteria.
B)prions.
C)viruses.
D)viroids.
E)fungi.
Q47: Which of the following causes infectious sores
Q48: Antibiotics can be effective only against a:
A)virus.
B)prion.
C)viroid.
D)bacterium.
Q49: Bacteria lack membrane-bound organelles. True or False?
Q50: Creutzfeldt-Jakob disease is caused by:
A)bacteria.
B)prions.
C)viruses.
D)viroids.
E)fungi.
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