Entering animal cells

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13 Terms

1
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2 methods to enter animal cells

endocytosis, membrane fusion

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Step 1 of endocytosis of a non-enveloped virus

Virus attaches to cell receptor

<p>Virus attaches to cell receptor</p>
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Step 2 of endocytosis of a non-enveloped virus

Endocytosis initiated

<p>Endocytosis initiated</p>
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Step 3 of endocytosis of a non-enveloped virus

Endosome forms with virus inside

<p>Endosome forms with virus inside</p>
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Step 4 of endocytosis of a non-enveloped virus

Nucleocapsid escapes to cytoplasm and uncoats to release genome

<p>Nucleocapsid escapes to cytoplasm and uncoats to release genome</p>
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Step 1 of endocytosis of an enveloped virus

Virus attaches to cell receptor

<p>Virus attaches to cell receptor</p>
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Step 2 of endocytosis of an enveloped virus

Endocytosis initiated

<p>Endocytosis initiated </p>
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Step 3 of endocytosis of an enveloped virus

Endosome forms with virus inside

<p>Endosome forms with virus inside</p>
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Step 4 of endocytosis of an enveloped virus

Low pH of endosome initiates fusion of viral envelope with endosome membrane. Nucleocapsids are released.

<p>Low pH of endosome initiates fusion of viral envelope with endosome membrane. Nucleocapsids are released.</p>
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Step 1 of membrane fusion of an enveloped virus

Virus attaches to cell receptor

<p>Virus attaches to cell receptor</p>
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Step 2 of membrane fusion of an enveloped virus

conformational change in attachment protein and bound receptor initiates membrane fusion

<p>conformational change in attachment protein and bound receptor initiates membrane fusion</p>
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Step 3 of membrane fusion of an enveloped virus

viral envelope fuses with plasma membrane

<p>viral envelope fuses with plasma membrane</p>
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Step 4 of membrane fusion of an enveloped virus

nucleocapsid enters cytoplasm and uncoats to release genome

<p>nucleocapsid enters cytoplasm and uncoats to release genome</p>