m&m pt 1
Terms
undefined, object
copy deck
- an organism that we need a microscope to see
- microbe
- true or false? u can see a microbe with the naked eye
- false
- 5 types of microbes?
- algae, bacteria, fungi, protozoans, virus
- this type of bacteria is a prokaryote (doesnt have a nucleus) and is 1 mm
- bacteria
- this type of microbe is not alive, 100th of a micron
- virus
- what 3 microbes are eukaryotes (have a nucleus)?
- algae, fungi, protozans
- how many microbes are on earth?
- 5 X 10^35
- what type of microscope is used to see a virus?
- electron microscope
-
in the microbial world the 3 living organisms are?
of these 3 which are prokaryotes and which are eukaryotes -
bacteria, archaea, eucarya
pro- bacteria, archaea
eukary- eucarya - in the microbial world which are the 3 infectious agents (non living)?
- virus, viroids, prions
-
t or f? algae, protzoa, and fungi are eukaryotes?
which are unicellular, multicelluar, or both -
true
algae- both
protzoa-unicellular
fingi- both - what are the 3 shapes of bacteria?
- rod shaped, cocci shaped, spiral shaped
-
what is the size of a virus?
t or f? they multiply only within cells. outside the cell they are metabolically inert. and have a protein coat and nucleic acid -
10-500 nm
true - virus's contain dna only. rna only, both or either but never both?
- either but never both
-
what is the size of a cell...
bacteria:
animal:
plant; -
1,000 nm
200,000 nm
400,000 nm - most cells are free living and multiply in the abscence of other cells? t or f?
- true
- cells contain both dna and rna?
- true
- virus or cells? contain ribosomes and enzymes for harvesting energy
- cells