Viruses differ from cells in that viruses
A) are alive.
B) contain DNA or RNA, but not both.
C) only reproduce asexually.
D) have more genes.
Answer: B) contain DNA or RNA, but not both.
Biology & Microbiology
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Topic 2.8 - Biosynthesis
What will be an ideal response?
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Which term refers to seedless vascular plants that are represented by only one living genus, Equisetum?
a. mosses b. ferns c. whisk ferns d. horsetails
Biology & Microbiology
Paired lungs are characteristic of ____.
A. spiders B. all birds C. all fishes D. all amphibian life stages E. all insects
Biology & Microbiology