题目内容

Which of the following statements is false?

A. Viruses contain DNA or RNA.
B. The nucleic acid of a virus is surrounded by a protein coat.
C. Viruses multiply inside living cells using viral mRNA, tRNA, and ribosomes.
D. Viruses cause the synthesis of specialized infectious elements.

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The envelope of an animal virus is derived from the ______ of its host cell.

A. cell wall
B. glycoproteins
C. membrane
D. receptors

Primary pathogenic fungi differ from opportunistic fungi in being ________.

A. more virulent
B. less virulent
C. more prevalent
D. more transmissible

The ability of a fungus to alternate between hyphal and yeast phases in response to temperature is a type of __________.

A. sporulation
B. conversion
C. dimorphism
D. binary fission

A hypha divided into compartments by solid walls is called ________.

A. nonseptate
B. imperfect
C. septate
D. perfect