Weight loss would result from which of the following combinations of changes in food intake and physical activity?
a) decreasing food intake and decreasing physical activity

b) decreasing food intake and increasing physical activity

c) increasing food intake and decreasing physical activity

d) increasing food intake and increasing physical activity

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.