| Question |
Answer |
| microbes are also called? |
microorganisms |
| pathogenic are |
disease producing microorganisms |
| the ___ is the first name and is always capitalized in scientific nomenclature |
genus |
| living things too small to be seen with the unaided eye are called? |
microorganisms |
| in a ___ system each living organism is assigned two names |
nomenclature system |
| nomenclature system was designed by |
Carolus Linnaeus (1735) |
| Two names consist of a genus and a specific epithet are both |
underlined or italicized |
| bacterial cells with their genetic material no enclosed in a special nuclear membrane |
prokaryotes |
| unicellular organisms and are prokaryotic |
bacteria |
| 3 major basic shapes of bacteria are |
1. bacillus2. coccus3. spiral |
| cell walls that are composed of a carbohydrate and protein complex are called |
peptidoglycan |
| Bacteria generally reproduce by dividing into 2 equal cells, a process called |
binary fission |
| ___ can use a wide range of chemical substances for nutrition |
bacteria |
| ____ consist of prokaryotic cells and lack peptidoglycan |
archaea |
| 3 types of archaea |
1. methanogens 2. extreme halophiles 3. extreme thermophiles |
| ____ cells have a true nucleus |
eukaryotic cells |
| ___ have eukaryotic cells and are multicellular |
fungi |
| 3 types of fungi |
mushroomsmoldsyeasts |
| ___ obtain nutrients by absorbing organic material from their enviroment |
fungi |
| ___ are unicellular eukaryotes and obtain nourishment by absorption through specialized structures |
protozoa |
| ___ are unicellular or multicellular eukaryotes that obtain nourishment by photosynthesis |
algae |
| __ are noncellular enities that are parasites of cells |
viruses |
| organisms are classified into what 3 groups |
bacteriaarchaeaeukarya |
| eukarya include |
1. protists 2. fungi 3. plants/animals |
| who observed that a cork was composed of cells |
Robert Hooke (1665) |
| flatworms and roundworms are called |
helminths |
| cell theory |
all living things are composed of cells |
| who was the first to see microorganisms |
Anton van Leeuwenhoek (1673) |
| the idea that living organisms could arise from nonliving matter |
spontaneous generation |
| living cells can arise only from preexisting living cells |
biogenesis |
| techniques that prevent contamination by unwanted microorganisms |
aseptic techniques |