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Entry of Virus into Host Cell

View the animation below, then complete the quiz to test your knowledge of the concept.

1Viral spikes
A)attach non-specifically to host cell receptors
B)attach specifically to host cell receptors
C)are made of carbohydrate
D)are present in all viruses

2In viral entry by endocytosis
A)host plasma membrane surrounds whole virion and forms a vesicle
B)host plasma membrane surrounds only viral protein coat and forms a vesicle
C)host plasma membrane surrounds only viral nucleic acid and forms a vesicle
D)host spikes fuse with host plasma membrane

3After the virus nucleocapsid is released from the vesicle into the host cell cytoplasm
A)the viral nucleic acid is destroyed
B)it remains intact
C)the capsid protein is removed
D)the capsid protein becomes thicker

4A naked virus fuses with host cell membrane.

5Viruses with spikes usually enter host cells by endocytosis.

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