Which one of the following steps does NOT occur during multiplication of a picornavirus?
A) synthesis of + strands of RNA
B) synthesis of - strands of RNA
C) synthesis of viral proteins
D) synthesis of DNA
E) None of the answers is correct.
D
Biology & Microbiology
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A. iris B. pupil C. cornea D. lens
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What type of thinking is required?
What will be an ideal response?
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Chemicals detected by the nose must
A) stimulate the cones. B) cause bending of hair cells in the upper nasal cavity. C) dissolve in mucus in the nasal cavity. D) bind to taste buds. E) first enter the mouth.
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________ possess accessory photosynthetic pigment phycoerythrin, which gives them their characteristic red color.
A. Brown algae B. Green algae C. Red algae D. Diatoms
Biology & Microbiology