Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

Viral Host Range Determination Technologies

18 Questions

0 Views

Viral Host Range Determination Technologies

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the main purpose of attachment and entry in the infectious cycle of a virus?

To facilitate gene expression

To replicate the viral genome

To allow the virus to enter the host cell (correct)

To assemble and release new virus particles

What defines a susceptible cell in virology terms?

A cell that can support viral replication (correct)

A cell that is resistant to viral replication

A cell that is too large to uptake virus particles

A cell that has no receptor for the virus

What technology advancement allowed the determination of viral receptors?

Western blotting

Mass spectrometry

Flow cytometry (correct)

Polymerase chain reaction (PCR)

Why are viruses considered obligate intracellular parasites?

Because they require host cells to replicate Signup and view all the answers

Which of the following is a criteria for a genuine virus receptor?

Disruption of the receptor gene should enhance infection Signup and view all the answers

What is the first step in the attachment process of a virus to a host cell?

Random collisions and electrostatic interactions Signup and view all the answers

What role do virion cellular receptors play in the infectious cycle?

Bind the virus particle and assist in entry into the cell Signup and view all the answers

Which molecule is known as the receptor for SARS-CoV-2?

ACE2 Signup and view all the answers

What determines the host range of a virus?

Presence of host cell receptors Signup and view all the answers

What distinguishes a permissive cell from a susceptible cell in terms of virus infection?

Permissive cells can support viral replication Signup and view all the answers

Which two viruses share a common primary receptor?

Adenovirus and Coxsackievirus B3 Signup and view all the answers

How do viruses attach to receptors?

By fusing their envelope with the host cell membrane Signup and view all the answers

What specific protein does the viral fusion protein bind to in the endosome membrane?

Niemann-Pick C1 protein (NPC1-protein) Signup and view all the answers

In what condition must viral fusion not occur?

Neutral pH (plasma membrane) Signup and view all the answers

How are genomes released from non-enveloped viruses?

Uncoating at nuclear pore complex Signup and view all the answers

What is a common feature of viruses infecting plant cells?

Utilize plasmodesmata for intercellular movement Signup and view all the answers

What is the role of motor proteins in adenovirus infection?

Assist in virion transport within the host cell Signup and view all the answers

How do some viruses breach the strong cell wall of bacterial cells?

By exploiting specialized structures on the bacterial surface Signup and view all the answers