Drosophila Melanogaster Lab Report Essay Samples and Topic Ideas
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report is to determine the environmental hazards that are caused by the invasive species. Introduction Native species have important roles to play in every ecosystem. Some invasive species such as Zebra and Quagga can sometimes destroy an established ecosystem. The damage caused by most of these species are considered multilayer (Richardson, 216). Hypothesis Invasive species are a threat to the native species. They have a negative effect on the ecosystem. Methods By studying the data, it is evident that an increase in the population of invasive species interferes with the nature of the ecosystem. The data indicates that the invasive species affect the vegetation. When analyzing the data, it is...
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report, potatoes were used to investigate the relationship between solute concentration and the movement of water through a selectively permeable membrane by the process of osmosis. When in different concentration, water moves from hypotonic to a hypertonic solution via a selectively semi-permeable membrane. Osmosis occurs due to the difference of osmolality (a measure of solute concentration) inside the cell as well as the solution surrounding the cell that results in the swelling of the cell (Chen, Wu, Zhang, GAO & Gai, 2018). Potato cells are hypertonic to the hypotonic water solution and with osmosis, water enters the cells making them swell. Hypothesis The experiment aimed at...
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Name Instructor Course Date Introduction Convex lens and diverging lens are some of the types of thin lenses. The two affect the behaviour of a ray of light as it passes through them, either diverging the ray or beam that passes through them, in the case of a concave lens or converging the ray or beam of light as it passes through them at a certain point, in the case of a convex lens. The position of the object corresponding to the mirror affect the locus of the image made as rays of light emerge through the given thin lens. Data Exercise 1 do di do+di 28 72 100 30.5 59.5 90 40 40 80 29.6 65.3 94 28.7 72.1 100 Results Exercise 1: Qualitative Investigation of Image Formation When I...
Report: reflection and Refraction Name Institution Affiliation Introduction Goals The goals of experiments were 1) To explore the reflection of a light ray from a shiny, smooth surface. 2) To understand and observe how a curved mirror focuses incoming parallel light rays to a single point. 3) To explore the behavior of a light ray as it passes from one transparent medium into another transparent medium. 4) To verify that “Snell’s Law” of refraction holds for light rays passing from air to Lucite (a plastic) and from Lucite to air. 5) To calculate the “index of refraction” for Lucite from the data. Introduction The propagation and behavior of light rays and wavefronts through...
REPORT Objective: To determine the loading effect of a voltmeter to a circuit Prerequisite Knowledge: Electric circuit principles Required Equipment: 2kΩ, 20kΩ, and 200 kΩ resistors. DC power supply (0-12V) VOM (DC sensitivity 20 kΩ/V) DMM (>10 MΩ input impedance). Theory: Making measurements in electrical circuits, and generally in science without affecting the result of the measurement is not very easy. This phenomenon is known as loading in electronics. In measuring current, for instance, the resistance of the ammeter contributes to the final reading shown, hence a lower value as shown by the deflection of the ammeter. In a voltmeter on the other hand, the contribution leads to...
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report seeks to determine the cause of death of the Victim and exactly try’s to establish who is responsible for Nina’s death. There are four identified suspects whose blood is being tested and compared with blood found at the murder scene. Moreover, the site of the accident has fluids samples. The kitchen floor formed the crime scene 1 while the fluid samples found on the victim formed the second crime scene. Through carefully lab report, the exact suspect responsible for the death of the victim will be identified. This will be determined by looking at the different DNA samples. The suspects have varying blood types A, AB, and B while the victim has blood type O which is a universal donor. The...
report of the mitosis and the mitotic cell cycle experiment. The experiment was aimed at determining the mitosis phase with the most number of cells as well as the quickest and fastest phases of mitotic cell division. The experiment was based on the hypothesis that interphase would consist of the most number of cells as much of the time taken during mitosis is at this phase. To achieve this, the experiment involved specimen from two actively dividing parts, that is, an onion root tip and a whitefish blastula. Each specimen was observed under a microscope, pictures taken and resulted tabulated for analysis. From the results, it could be concluded that the hypothesis was true as interphase constituted...