Viruses and Bacteria

Virus Basics

100

1. Bacteriophages are viruses that attack and destroy…

Bacteria

200

2. A virus acts like a _______ which lives on or in a host and causes it harm.

parasite

300

3. Viruses are measured in…

Nanometers

400

4. Why are viruses considered non-living?

Because they don’t have cells and cannot grow or make energy

500

5. How do viruses multiply?

By using the hosts cell energy 

Virus Structure & Vaccines

100

1. Viruses have a ______ coat that protects an inner core of their genetic material.

Protein

200

What is an active virus

A virus that has invaded a host cell and starts reproducing immediately 

300

4. A substance introduced into the body to help produce chemicals that destroy a specific virus is a…

Vaccine

400

The naming system of a virus is a ______ naming system 

2-part

500

What type of genetic material can be found inside a virus

DNA or RNA

Bacterial Structure & Function

100

1. An organism that provides a source of energy for a virus or another organism is…

A host

200

2. Bacteria are classified as ______ because they lack a membrane-bound nucleus.

Prokaryotes

300

3. What is the region inside the cell membrane that contains gel-like fluid and moves structures throughout the cell?

Cytoplasm 

400

4. A bacterial cell may also have a ______, a whip-like structure that helps a cell to move.

Flagellum 

500

5. In bacteria, ribosomes are responsible for making ______.

Protein

Bacterial Processes & Environment

100

1. How do bacteria get food?

    

They make their own food or absorb food from their environment 

200

1. How do bacteria reproduce in binary fission?

They duplicate their dna then split into 2

300

1. How do bacteria reproduce in conjugation?

One bacterium transfers DNA to another in a tubelike structure 

400

1. What is the purpose of endospore formation 

To help bacteria survive extreme conditions 

500

1. How do bacteria help the environment? 

1. By breaking down dead organisms and recycling nutrients