Exam (elaborations)

Exam (elaborations) GIZMOS Student Exploration: Virus Lytic Cycle (BIO132)

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Course
GIZMOS Student Exploration: Virus Lytic Cycle (BIO132)

Institution
The Art Institute Of Atlanta

Exam (elaborations) GIZMOS Student Exploration: Virus Lytic Cycle (BIO132) Student Exploration: Virus Lytic Cycle Vocabulary: bacteriophage, capsid, host cell, lyse, lytic cycle, virus Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. A computer virus is a program tha...

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Uploaded on June 10, 2022
Number of pages 5
Written in 2021/2022
Type Exam (elaborations)
Contains Questions & answers

bio132
bio 132
nursing
gizmos
lyctic
virus

Institution
The Art Institute of Atlanta
Course
GIZMOS Student Exploration: Virus Lytic Cycle (BIO132)

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GIZMOS Student Exploration: Virus
Lytic Cycle

Name: Date:5/17/2021

Student Exploration: Virus Lytic
Cycle

Vocabulary: bacteriophage, capsid, host cell, lyse, lytic cycle, virus

Prior Knowledge Questions (Do these BEFORE using the Gizmo.)

1. A computer virus is a program that can copy itself and infect a computer without the
permission of the owner. How do you think a computer virus compares to a real
virus?

A computer virus infects a computer, and a real virus infects an organism. During an infection,
both types of viruses make copies of themselves so that more infections can occur. A computer
viruses disrupts the functions of a computer, while a real viruses destroys its host cells.

2. Have you ever been infected with a virus, such as the cold virus or flu virus? yes

3. If so, how did the virus affect you? The viruses affected me by giving me fevers
and congestions.

Gizmo Warm-up
A virus is a microscopic particle that can infect a cell.
Viruses are primarily composed of a protein coat,
called a capsid, and nucleic acid. In the Virus Lytic
Cycle Gizmo™, you will learn how a virus infects a
cell and uses the cell to produce more viruses.

1. Viruses are extremely small. A typical virus is
about 100 times smaller than a single cell, such
as a bacterium.

2. Bacteriophages are
viruses that infect
bacteria.

, Activity A: Get the Gizmo ready:
Lytic cycle If necessary, click Reset ().

Introduction: Unlike living organisms, viruses cannot reproduce on their own. Instead, viruses
infect host cells, taking over the cell’s machinery to produce more viruses. This process is
called the lytic cycle.

Question: What are the steps of the lytic cycle?

1. Observe: Use the navigation arrows on the DESCRIPTION tab to read about the stages
of the lytic cycle. Using your own words, summarize each step of the cycle.

Step Summary

A lytic bacteriophage virus attaches itself to a bacterial cell. The virus is
1 a very simple structure, composed of a protein capsid, nucleic acid, and
a tail section.

↓
The virus injects its nucleic acid into the cell. The nucleic acid uses the cell’s ribosome
2

↓
The virus capsid and tail, now useless, detach from the cell and disintegrate. Inside the
3

↓
4 The virus proteins and nucleic acid assemble into new viruses.

↓
Special proteins produced by the viral nucleic acid cause the host bacterial cell to lyse
5

(Activity A continued on next page)

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