Microscopic Organism Lab
In this lab, we used the light microscopes given by Mr. Orre to look at specific specimens under a microscope. After each cell, we took pictures of our findings and posted them on a google drive folder. As shown below, those are the results of our lab, and the different parts of the cells of the different specimens that were given.
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| Muscle Cell Identified: Nucleus, Muscle fiber, and Striations
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| Spirogyra Identified: Cytoplasm, Pyrenoid, Nucleus, Cell Wall, and Chloroplasts |
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| Bacteria Identified: Spirilum, Bacilus, Coccus |
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| Cyanobacteria Identified: Nucleus, Chloroplasts, Cytoplasm, (may have found) Flagellum |
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| Amoeba Identified: Pseudopods, Cell Membrane, Food Vacuoles, Nucleus, and Cytoplasm |
The characteristics of autotrophs are small, with relatively huge vacuoles, and, with the very small amount of space left, have really tiny chloroplasts. Some have cells, and the ones that are eukaryotes have a cell well and all the organelles eukaryotes normally have.
The characteristics of a heterotroph are in two categories. If they are eukaryotic, they have all the organelles as a normal eukaryotic cell has, including a nucleus, mitochondria, ribosomes, a golgi apparatus, a lysosome, endoplasmic reticulums, and a very tiny vacuole. Otherwise, if they aren't eukaryotic, they usually have a small vacuole, with basic ways to generate energy, as they essentially act as independent mitochondria.
The characteristics of eukaryotes are that they have a cell membrane, which includes all the organelles necessary for survival, whether it be an autotroph or a heterotroph.
The characteristics of prokaryotic cells are that most have a flagella or pseudopodia to move around. Most have cell walls with pili attached to them to interact with the environment around them. They also have a nucleoid that floats around in the center of the cytoplasm. They also sometimes have plasmids to transfer special mutations or resistances to other similar bacteria around them.
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