During puberty, begin growing after

Why would one lymph node in the neck be swollen and not the other? what causes them to swell?

What pharmacological agent serves to reduce the frequency and severity of seizures?

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.