Influenza viruses are classified according to their hemagglutin and __________ proteins.

A. neuraminidase
B. amphiphilic
C. nucleic
D. arabinose
E. polymorphic


Ans: A. neuraminidase

Biology & Microbiology

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Which of the following plant adaptations is shared by seedless vascular plants, gymnosperms and angiosperms?

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Sedimentation of sludge occurs in

A) anaerobic sludge digestion. B) primary sewage treatment. C) secondary sewage treatment. D) tertiary sewage treatment. E) water treatment.

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Which part of your brain processes the information in this question and, you hope, retrieves the information necessary to answer it?

A) cerebellum B) cerebral cortex C) hypothalamus D) pons E) midbrain

Biology & Microbiology