Which of the following is an activity that a student can participate in at school and temporarily avoid vigorous aerobic activity

It is important to have a bowel movement every single day

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.

Which of the following statements is true?