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Chapter 1 Bio1570
Ch 1 - Living in a microbial world
| Question | Answer |
|---|---|
| Applied Science | The use of basic science to solve a specific practical problem |
| Archaea | -One of the 2 domains of prokaryotic microorganisms; - the other is bacteria |
| Bacteria | -One of the 2 domains of prokaryotic microorganisms - the other is archaea |
| Basic Science | Scientific inquiry focused on revealing the manner in which fundamental processes in nature proceed |
| Cell Theory | The theory stating that all living things are composes of one or more cells |
| Cell | -The functional unit of life -A highly organized,typically microscopic structure. -Always surrounded by a cell membrane -Containing genetic material in the form of DNA |
| Control Group | A group of treatments in an experiment in which the experimental variable is not manipulated |
| Control Variable | -A factor that is maintained the same in both the experimental and control groups -variables not being tested in the testing of a specific hypothesis |
| Deoxyribonucleic Acid (DNA) | The principal genetic material of all living things, with the exception of some viruses |
| Eukaryotic Cells | -A cell in which the DNA is enclosed in a membrane-enclosed organelle known as the nucleus -Animals, plants, fungi, protazoa,and algea have eukaryotic cells and are often referred to as Eukaryotes. |
| Evolution | the genetically based development of new properties in organisms over successive generations |
| Experimental group | -A group of treatments in an experiment in which the experimental variable is manipulated -the experimental group is compared with the control group |
| Hypothesis | -A tentative explanation for a particular question about the natural world -Must be used to generate predictions about future events, which can be tested |
| Metabolism | The biochemical reactions carried out by a cell or organism |
| Microbe | - A living thing too small to be seen by the unaided eye. 1.Bacteria 2.Archaea 3.Fungi 4.Protazoa 5.Algea 6.Viruses |
| Microorganism | - A living thing too small to be seen by the unaided eye. 1.Bacteria 2.Archaea 3.Fungi 4.Protazoa 5.Algea 6.Viruses |
| Model Organism | -A species that has been intensively studied in the laboratory. Biological principals revealed though the study of model organisms may then be extrapolated to other living things. |
| Multicellular | Consisting of many cells |
| Organelle | General term for a membrane-enclosed structure within an eukaryotic cell that carries out a distinct function |
| Prion | -An infectious protein, though to lack all nucleic acid -Are produced by forcing normal proteins to take on the shape of the aberrant prion protein |
| Prokaryotic Cell | -A cell in which DNA is not enclosed within a membrane-enclosed nucleus -Bacteria & Archaea have prokaryotic cells and are often collectively referred to as prokaryotes. |
| Science | A process of learning about nature through observation and experiment |
| Scientific Method | -A defined series of steps in which the scientists learns about nature. The scientific method requires the construction and testing of a proper hypothesis |
| Unicellular | Consisting of a single cell |
| Virus | -A cellular life form, which is an obligate parasite and can only replicate itself inside a living cell -Viruses are the cause of many diseases. |
Created by:
dmferriter
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