Bacteria Characteristics
More Bacteria Stuff
Virus Characteristics
Virus Life
Random Facts
100
Microscopic, single-celled organisms that are prokaryotes.
Bacteria
100
What determines the shape of a bacteria?
The thickness of the cell wall.
100
Can be shaped like a polyhedron, sphere, cylinder or spacecraft.
What is a virus.
100
The cycle of viral reproduction that occurs when a virus invades a host cell but lies dormant and completes the cycle at a later time.
lytic cycle
100
What do you need to see bacteria?
Microscope
200
Organisms that are producers that live in water.
cyanobacteria
200
What are the three shapes of most bacteria?
Rod Spherical Spiral
200
Caused by a virus, may have a fever, body aches and upset stomach.
What is the flu.
200
The outer shell which helps it invade healthy cells without being noticed.
envelope
200
What is the most unique shape of a virus?
spacecraft
300
Tiny hairlike organelles that sweep back and forth to help some microscopic organisms move.
flagella
300
Three things good bacteria do in your body.
process food break down food absorb food disperse food and nutrients
300
How many strands of nucleic acid (DNA) does a virus have?
A single strand.
300
This is not a cell, but has similar structures. Invades a cell to reproduce itself.
What is a virus?
300
Bacteria that are helpful by breaking down plant and animal remains.
Beneficial Bacteria
400
What type of bacteria can cause diseases?
pathogenic
400
Bacteria reproduce through what process?
Binary Fission
400
What is a living cell that a virus lives on or in and usually kills it?
host cell
400
A virus's outer protein coat which protect the nucleic acid and helps the virus invade other cells.
capsid
400
What Kingdom has Methane-makers, Salt-lovers and Heat-lovers.
Archaebacteria
500
Three characteristics similar to all bacteria.
Movement Size Shape
500
Bacteria are divided into two groups Eubacteria and Archaebacteria. What are the groups called?
Kingdoms
500
Three things that viruses do not do.
eat break down food use oxygen
500
A virus that does not complete the reproductive cycle right away, is called __________?
dormant
500
Approximately how many species of bacteria are in your mouth. 200-300 400-500 700-1000
400-500
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