The game officials' role in team sports includes all the following EXCEPT: A. enforcing the rules of the competition
B.
starting and ending the competition
C. choosing which players should be substituted
D. approving each team's score
Please select the best answer from the choices provided.
O A
OB
Ос
OD

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.