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Ch 19 Test Bacteria
How are eubacteria and archaebacteria different
makeup of their cell walls
Are eubacteria or archaebacteria thought to be the ancestors of eukaryotes
Methanogens belong to which kingdom?
What shape is coccus?
What color do Gram-positive bacteria turn when treated with Gram Stain?
What are bacilli, cocci, and spirilla?
shapes of prokaryotes
Which characteristics are used to identify prokaryotes?
cell shape, way the prokaryote moves, and way prokaryotes obtain energy
Where are you likely to find a photoautotroph?
near the surface of lakes, streams, and oceans
How do chemoautotrophs obtain energy?
directly from inorganic molecules
How do most prokaryotes obtain energy?
What does Gram staining tell you about the cell?
what kind of cell wall a prokaryote has
Why are bacteria sometimes called "nature's recyclers"?
break down nutrients in dead matter
What type of roles deos bacteria have in the environment?
carrying out photosynthesis, fixing nitrogen, recycling nutrients
bacteria that break down nutrients in dead matter into simpler substances taht are taken up by plant roots are called
Soybeans, rhizobium, and nodules on roots are all involved in
Human uses of bacteria
clean up small oil spills, mine minerals from the ground, synthesize drugs
Which kingdom lives in extreme environments such as Utah's Great Salt Lake?
Which kingdom reacts to Gram staining?
Can bacteria be used to synthesize drugs through genetic-engineering techniques
Which group of bacteria can carry out photosynthesis in a manner similar to that of plants?
the process of converting nitrogen to a form plants can use is called
in the human intestines, bacteria help the body make what substance
list the four factors that are used to identify prokaryotes
their shape, the way they move, chemical nature of their cell walls, and the way they obtain energy
describe 3 ways in which humans use bacteria
produce food, mining minerals, clean up oil spills, clean up sewage, remove waste from water, synthesizing drugs and chemicals