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sslong79 sslong79
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6 years ago
A small RNA unit without a protein coat is called a ________.
 
  a. prion
 b. vector
 c. pathogen
 d. viroid
 e. virus

Question 2

Which trait is not found in all chordates?
 
  a. a dorsal nerve cord
 b. a postanal tail
 c. an internal backbone
 d. a notochord
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wrote...
6 years ago
Answer to q. 1

d

Answer to q. 2

c
sslong79 Author
wrote...
6 years ago
SoOoOoOo very smart
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