Science cards for Chapter 9A Flashcards
What are Microorganisms
are living things so small they can’t be seen clearly without the aid of a microscope
What is the study of microorganisms
it ‘s called microbiology
What are Bacteria
Bacteria are microscopic , unicellular , prokaryotic organisms
How many bacteria kingdoms are there
6
What two kingdoms have bacteria
Archebacteria and Eubacteria
Where is Archaebacteria found ?
They are found in extreme environments
What are the 2 things to know about Eubacteria
One : Most bacteria belong in this kingdom
Two : Most of these are responsible for causing diseases
What are the 3 names to know for the Structure of Bacteria
1 : Spherical ( coccus )
2 : Rod - shaped ( bacillus )
3 : Spiral ( spirillum )
Where can bacteria appear
Bacteria can appear alone or may group together in different patterns
What are the 2 things to know about the Reproduction of Bacteria
1 : Bacteria can reproduce asexually by binary fission
2 : Bacteria can reproduce very rapidly
So why haven’t bacteria taken over the earth ?
Bacteria needed
1 : Food
2 : Oxygen
3 : Get rid of waste
4 : A certain temperature range
What is a Virus
a virus is a nucleic acid core with a protein coat
3 things to note about viruses
1 : No cell membrane , cytoplasm , or organelles
2 : They are not cells
3 : Cannot reproduce on their own
What are the 4 things to note about the Lytic Cycle
1 : Destroys the cell and releases viruses
2 : The cell is forced to make virus parts
3 : Virus infects a cell
4 : Parts assembled into new viruses
What are Vaccinations
they are interferons are chemical produced by your cells when a virus attacks
