Viroids
A) are naked (lacking a protein shell) pieces of RNA.
B) are naked (lacking a protein shell) pieces of DNA.
C) are known to cause neurodegenerative diseases in animals.
D) are composed of protein encasing DNA.
E) are known to cause neurodegenerative diseases in animals AND are composed of protein encasing DNA.
Correct Answer:
Verified
Q18: The opposite results obtained by scientists apparently
Q19: Smallpox
A)has been eliminated as a naturally occurring
Q20: Which of these scientist(s)was/were involved in,among other
Q21: The prokaryotic cell scheme is found in
A)bacteria.
B)archaea.
C)eucarya.
D)All
Q22: Outside a cell,viruses are
A)running a small number
Q24: Which is usually true of bacteria?
A)They are
Q25: Which group(s)below contain single-celled and multicellular organisms?
A)Algae
B)Fungi
C)Protozoa
D)All
Q26: Eucarya
A)consist of only multicellular organisms.
B)have a more
Q27: Which is usually true of archaea?
A)They are
Q28: The system by which organisms are named
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