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33 Cards in this Set
- Front
- Back
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A cell is the smallest unit capable of? |
carrying on all life processes |
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Two categories of cell? |
1. Prokaryotic 2. Eukaryotic |
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Which category of cells does have a nucleus and organelles? |
Eukaryotic cells. *(Pro=NO) |
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Subcategories of classifying living things are? |
Genus and species |
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In this lab we examined? (2 things) |
1. Prokaryotic cells (bacteria) 2. Members of the Kingdom Fungi (Eukaryotic) |
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Bacteria can be? (3 types of feeders) |
1. Autotrophs (self-feeders) 2. Heterotrophs (other feeders) 3. Pathogens (disease causing) |
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True or False Fungi are unicellular or multicellular organisms. |
TRUE |
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Fungi are what type of feeder? What do they serve as in the ecosystem? |
Fungi are Heterotrophs. Serve as Decomposers in the ecosystem. *(some of them are pathogens) |
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Prokaryotic is the name that means (translates)? |
"before the nucleus" |
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Prokaryotic cells are classified in which 2 domains? |
1. Bacteria 2. Archaea |
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Example of prokaryotic cell? |
Cyanobacteria |
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Eukaryotes are found under which domain? |
Eukarya Domain |
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Eukaryotes include four kingdoms, what are they? |
Kingdoms 1. Protista 2. Fungi 3. Plantae 4. Animalia |
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True or False Eukaryotes can be unicellular or multicellular? |
TRUE Unicellular = Yeast Multicellular = Plants and Animals |
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Both prokaryotic and eukaryotic cells have basic? (4 things) |
1. Metabolic functions 2. Ribosomes 3. Plasma Membranes 4. DNA |
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A Bacterial Cell commonly has one of three shapes, what are they? |
1. Coccus (Spherical) 2. Bacillus (Rod shaped) 3. Spirillum (Twisted Rod) |
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Many bacteria have what for locomotion? |
Flagella |
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Where is the DNA located in a Prokaryotic Cell? |
Nucleoid Region |
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Why do we incubate Petri Dishes upside down? (2 reasons why) |
To lessen risk of contamination of: 1. Airborne Particles 2. Water accumulation for condensation |
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In the bacteria "Anabaena" the Heterocyst functions as what? |
Heterocyst = Fixes Nitrogen |
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Every bacterial cell contains? (4 things) |
1. Nuclear Material 2. Cytoplasm 3. Cell Membrane 4. Cell Wall |
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Many bacteria are surrounded by? |
a Slime Capsule |
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Bacteria are the smallest cells visible under? |
Light Microscope |
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Reproduction of bacteria occurs through? |
Binary Fission (cell division occurs once every 20-30 min.) |
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One method used to produce germ free conditions is? |
Steam Sterilizing in an autoclave (large pressure cooker) |
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An Antibiotic is an organic compound that does what? |
inhibits the growth of or destroys other microorganisms |
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What is the oldest and best known Antibiotic? |
Penicillin (produced by the blue mold "Penicillium") |
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An Antiseptic is usually a? |
Inorganic Compound (inhibits or destroys microorganisms on surfaces) Ex: iodine, bleach, alcohol |
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Most Bacteria are aerobic or anaerobic? |
Aerobic; requires oxygen to live |
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Most Bacteria are HETEROTROPHIC, which means? |
Unable to synthesize their food molecules; must ingest organic molecules from their environment *some bacteria are autotrophs |
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Bacteria can be grown in nutrient liquids called? |
BROTHS. *can also be grown on solid surfaces |
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The most common solid medium used to grow bacteria is called AGAR, which is? |
an extract from red seaweed. |
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Agar is dissolved in? |
Hot Water * forms a gel when cooling. |
