Which statement about general adaptation syndrome (gas) is true? gas shows that stress is toxic to organisms. gas describes an individual’s response to a stressor. gas occurs in three stages: aversion, resistance, elation. gas describes how organisms respond to stress over time.

Which of the following processes within viral replication is the greatest source of genetic variation in rna virus populations? a) high mutation rate due to lack of proofreading of rna genome replication errors. b) transcription from the host cell rna polymerase introduces numerous mutations. c) capsid proteins from the host cell can replace the viral capsid. d) viral rna is translated by host cell ribosomes.