Which stage of animal virus replication may be blocked by a drug that binds with the viral spike?
A) assembly B) attachment C) replication D) penetration E) uncoating
Answer: B
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True or False: The fossil record reveals there are relatively few animal body plans maintained throughout Earth's history
A. true B. false
Movement is provided by contractions of ______ tissue.
A. epithelial B. connective C. muscle D. nervous E. All of the answer choices are correct.
Height in tobacco plants is controlled by _____ gene pair(s) while height in peas is controlled by _____ gene(s)
1.one / many
2.one / two
3.two / four or more
4.two or more / one
Which statement is true about prokaryotes?
A. They do not divide by mitosis. B. They contain a long, linear strand of DNA as the genetic material. C. They lack ribosomes. D. They contain a nucleus. E. They usually lack a cell wall.