Study Guide Test on Bacteria, viruses and Archaea
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Textbook : Lesson 1 – Bacteria, Archaea and Viruses
Edward Jenner Article and Questions
Mighty Microbe article and questions
Gizmo – Lytic cycle
Quiz on bacteria
Infectious Disease lesson
Immune system lesson
Questions:
Bacteria:
General characteristic –
1. _________________ one cell
2. _________________ - lack a nucleus and most organelles
3. Made of two different domains, _____________________ and
_____________________
4. First life forms to appear on earth, _________ billion years ago
5. Most numerous of all organisms on earth, and live in every environment
6. Bacteria come in many shapes and colors
a. _______________- cocci
b. _______________ - bacilli
c. _______________ spirilla
7. Bacteria live alone and in colonies
Basic structure1. _________________ - tough, rigid structure that supports, shapes and
protects
2. _________________ - protects the bacterium and makes it sticky
3. __________________ - whip-like tail for movement
Life functions –
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________________ uses oxygen
___________________ - uses a gas other an oxygen
___________________- make their own food
____________________ -breaks down dead organisms
_____________________ - “resting cell” protects the bacterium from
freezing, chemicals and can go dormant for hundreds of years.
Viruses
General characteristics 1. ____________________ What are the four shapes of viruses?
2. Viruses are not ____________________
3. Viruses can cause diseases such as __________________
4. Name three different types of organisms that can be affected by viruses
____________________________________________________
5. Viruses are made up of a ____________________ and
________________________
6. List three reasons viruses are considered not living
_________________________________________________________
Virus replication –
Discribe the four steps of the lytic cycle – use page 89 of textbook.