Mindful meditation encourages practitioners to a. empty their minds of any thoughts b. focus on one particular image or thought c. imagine being more emotionally happy d. fall in and out of sleep during meditation select the best answer from the choices provided a b c d

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.