题目内容

The general steps in a viral multiplication cycle are

A. adsorption, penetration, synthesis, assembly, and release
B. endocytosis, replication, assembly, and budding
C. adsorption, duplication, assembly, and lysis
D. endocytosis, penetration, replication, maturation, and exocytosis

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Which phase of a fungal life cycle is best adapted to growing in a host's body?

A. yeast
B. hyphal
C. conidial
D. filamentous

What property of the retroviruses enables them to integrate into the host genome?

A. the RNA they carry
B. presence of glycoprotein receptors
C. presence of integrase
D. a positive-sense genome

Which of these happen(s) in the case of antigenic shift in influenza A?

A. single mutations in hemagglutinin
B. recombination of RNA segments between bird and human strains
C. change from influenza A to influenza B
D. both a and b

Viruses that persist in the cell and cause recurrent disease are considered _________.

A. oncogenic
B. latent
C. cytopathic
D. resistant

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