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Lab Report Paper

Words: 540, Paragraphs: 5, Pages: 2

Paper type: Report, Subject: Lab Reports

Data/Results: (Attached) Conclusion: The student acquired the fundamental skills in which to properly handle lab equipment and execute an experiment. By examining the pond water with the XX lens, the student was able to distinguish and identify the protozoa with cilia: colliding, which was recognized by its unique oval shape, resembling a peanut, with small hair-like particles comprising the entire surface, and the vascular plant, which was discrete due to its array of composition of cells. Y examining the pond water with the I COX lens, the student was able to differentiate and lassies 1) the contractible: nonstop due to its distinctive S shape and beads with surrounding cells, 2) two nematodes (phylum nematode) parallel to one another (the nematodes appeared as slender forms, colorless, and encompassed of cells), and 3) the contractible: enable, Which was blue-green in its feature with long filaments of cells (resembling a seaweed structure).

By examining the yeast suspension With the XX lens, the student observed millions Of budding yeast cell structures. The student was able to discern between the various trustees of pond water microorganisms, such as cilia and algae, and the yeast suspension cellular material. Questions: 1. What is Brownian motion and why is it generally seen when bacteria are observed in liquid media? Some bacteria, perhaps many in your presentation did not display Brownian motion. Why is that?

Brownian motion is a non-directional movement triggered when cells are blasted by water molecules. Brownian motion is generally seen when bacteria are observed in liquid media primarily by the production of gas that bacteria yields, which is converted into liquid fluids. Thus, some bacteria, many in the experiment presentation, did not display Brownian motion because of the lack of energy of the system and the absence of flagella that impels bacteria to move voluntarily. 2.

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How can Brownian motion be distinguished from motility? As mentioned previously, Brownian motion is a non-coalitional movement triggered when cells are blasted by water molecules whereas motility is the capability of an organism to independently move either towards or away from a specific stimulus. Therefore, Brownian motion is distinguishable from motility uh to being a false movement while motility enables organisms to transfer by means Of flagellum, endothelial, or axial filaments. . What are flagella? What is the difference been bacterial flagella and eukaryotic flagella? Flagella are long protein structures responsible for most type of prokaryotic motility and also propel cells through liquid. Bacterial flagella, which are also referred to as prokaryotic flagella, are smaller than eukaryotic flagella and have a simple structure, are made up of protein flagella that provides a mechanism of motility, are proton driven, and have a oratory increment.

On the other hand, eukaryotic flagella have a larger and more complex configuration, are composed of tubing that delivers a mechanism to locomotion, are TAP driven, and have a bending movement. 4. In wet mount preparations, is it possible to see eukaryotic flagella? Prokaryotic flagella? In wet mount preparations, it is possible to see eukaryotic flagella, but it is not possible to see prokaryotic flagella. S. Does crystal clear pond water contain living bacteria? What about air? Your finger? All things that are not sterile do contain living bacteria such as pond water, air, and fingers,

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