Michael is looking for fitness opportunities that would provide plenty of guided, one-on-one attention customized to meet his needs. His best option will likely be... a home gym

a personal trainer

a fitness app

a gym membership

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.