Many of the enzymes found in virus particles are ________.

A. involved in the replication of viral nucleic acid
B. required for viral attachment to host cells
C. involved in viral entry into host cells
D. All of the choices are correct.


Answer: A

Biology & Microbiology

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Reproductive cloning is used to produce large amounts of mammalian proteins from transgenic agricultural animals such as cattle

Indicate whether the statement is true or false

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Amorphophallus titanum has the largest unbranched inflorescence in the world, reaching over 10 feet in height. One would normally celebrate the existence of such an enormous flower. Regretfully, the scent of the flower has been compared to a “herd of rotting water buffalos.” Which of the following is most likely the pollinator for such a plant?

a. bees b. butterflies c. flies d. birds

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The melon of dolphins and other toothed whales is used for:

a. storage of food. b. protecting the brain. c. focusing sound pulses. d. receiving sound pulses. e. producing sounds.

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