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For many viruses to penetrate the cell membrane and complete their replication inside the cell, the virus must attach to their host cells. Describe how a virus attaches to a host cell. a. A virus uses its cellular structure to attach to a host cell. b. A virus uses a plasma membrane to connect to a host cell. c. A virus uses matrix proteins to attach to a host cell. d. Viruses use viral receptors to attach to a host cell.

Name: Problem 6, Chapter 21: Biology for AP Courses
Uploaded: 2019-08-10T16:24:53-08:00
Duration: 1 min 30 s
Channel: Grant Castaneda

   For many viruses to penetrate the cell membrane and complete their replication inside the cell, the virus must attach to their host cells. Describe how a virus attaches to a host cell.
a. A virus uses its cellular structure to attach to a host cell.
b. A virus uses a plasma membrane to connect to a host cell.
c. A virus uses matrix proteins to attach to a host cell.
d. Viruses use viral receptors to attach to a host cell.

Biology for AP Courses

Julianne Zedalis,…

Chapter 21, Problem 6

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Solved by Expert Grant Castaneda

08/10/2019

Step 1

Viruses use a type of glycoprotein to attach to the host cells using viral receptors. The host cell has some type of receptor on the end, and the virus has a similar structure that fits into this receptor, much like a lock and key. Show more…

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For many viruses to penetrate the cell membrane and complete their replication inside the cell, the virus must attach to their host cells. Describe how a virus attaches to a host cell. a. A virus uses its cellular structure to attach to a host cell. b. A virus uses a plasma membrane to connect to a host cell. c. A virus uses matrix proteins to attach to a host cell. d. Viruses use viral receptors to attach to a host cell.

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Key Concepts

Viral Attachment Proteins

Viral attachment proteins are molecules found on the surface of viruses that facilitate the initial binding process necessary for infection. By specifically interacting with molecules on the host cell's surface, these proteins allow the virus to 'dock' onto the cell, setting the stage for entry and subsequent replication.

Host Cell Receptors

Host cell receptors are specific molecules, usually proteins or glycoproteins, embedded in the cell membrane that serve as binding sites for viral attachment proteins. This interaction not only determines which cells a virus can infect (tropism) but also triggers processes that enable viral entry, such as endocytosis or membrane fusion.

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