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SS-Bio23 20
| Question | Answer |
|---|---|
| virus | A noncellular replicating entity that must invade a living cell to replicate itself. |
| prokaryote | A single-celled organism whose complement of DNA is not contained within a nucleus. |
| binary fission | The form of reproduction carried out by prokaryotic cells in which the chromosome replicates and the cell pinches between the attachment points of the two resulting chromosomes to form two new cells. In this type of simple cell-splitting each pair of dau |
| eukaryote | An organism composed of one or more cells whose primary complement of DNA is contained within a nucleus. All plants, animals, fungi, and protists are eukaryotes. Contrast with prokaryote: a single-celled organism whose complement of DNA is not contained |
| antibiotics | Chemical compounds produced by one microorganism that are toxic to another microorganism. |
| pathogenic | Disease-causing, viruses, bacteria, protists, and fungi are spoken of as being pathogenic or non-pathogenic. |
| algae | Protists that perform photosynthesis. |
| colonial multicellularity | A form of life in which individual cells form stable associations with one another but do not take on specialized roles. |
| true multicellularity | A form of life in which individual cells exist in stable groups, with different cells in a group specializing in different functions. |
| phytoplankton | Small photosynthesizing organisms that drift in the upper layers of oceans or bodies of freshwater, often forming the base of aquatic food webs. |
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