Help HElP idk whats happening

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.

Stasis of blood flow from immobility injury to a vessel or predisposition to clot formation increase the risk of

High blood pressure is best described as