Multiple Choice
A virusʹs ability to infect an animal cell depends primarily upon the
A) presence of pili on the host cell wall.
B) enzymatic activity of a host cell.
C) host cellʹs ability to phagocytize viral particles.
D) presence of receptor sites on the cell membrane.
E) type of viral nucleic acid.
Correct Answer:
Verified
Correct Answer:
Verified
Q2: Bacteriophages are used as vectors in genetic
Q7: Viruses are the only known infectious agents
Q41: A viroid is a(n)<br>A) provirus.<br>B) infectious protein.<br>C)
Q42: Bacteriophages and animal viruses do NOT differ
Q43: A lytic virus has infected a patient.
Q44: Oncogenic viruses<br>A) have no effect on the
Q47: Assume you have isolated an unknown virus.
Q48: What contributes to antigenic shift in influenza
Q49: The most conclusive evidence that viruses cause
Q50: A persistent infection is one in which<br>A)