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Health Essay Examples

Enzyme-linked immunosorbent assay (elisa)

Enzyme-Linked Immunosorbent Assay ( abbreviated as ELISA ) , is a sort of immunochemical assay technique to observe the presence of a specific antibody or antigen in the trial samples. This method chiefly make usage of both immunological reaction ( the antibody-antigen reaction ) to observe the nowadays of specific antibody or antigen ) and…

Does Caffeine Affect the Heart Rate

Aim: The aim of this investigation is to investigate the affect of caffeine on the heart rate of Daphnia (Water Fleas). Hypothesis: The heart rate of the Daphnia will increase when exposed to caffeine. Caffeine acts as a stimulant, which causes stimulatory neurotransmitters to be released in excess amounts. This makes the brain feel more…

Osmosis Lab Report

Osmosis Lab Report Hypothesis: Osmosis will occur when there is an uneven distribution of solute in a solvent. The higher the solute in solvent, then there will be a higher rate of osmosis through the diffusion gradient forming a hypertonic or hypotonic solution. Solvent with equal or no solute forms an isotonic solution. Materials: Distilled…



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Identifying Organic Compounds Lab Report

Materials: 9 test tubes Test tube rack Test tube holder Grease pencil Hot plate 20 ml honey solution 20 ml egg white and water mixture 20 ml corn oil Oats and water 20 ml gelatin and water solution 20 ml potato and water mixture 20 ml apple juice and water mixture 20 ml unknown substance…

Daphnia Lab Report

A pipette was used to place the Daphnia with water on a glass slide. The slide was then placed under a glass microscope to be observed for the experiment. A tally counter was used to count the heart rates of the Daphnia when it was placed in warm water, under ice and in epinephrine. RESULTS…

Milk & Food Coloring Lab Report (Importance of Surfactant)

For this experiment, we will be using milk and food coloring to represent the water (milk) and gas (food coloring) in the respiratory system, as seen in the liquid-gas boundary of the alveolar wall (water) and its volume (gas). We will place the milk in a shallow dish so that it completely covers the bottom…

Lab Report on Respiratory Physiology

Timer (with a second hand) Glass Urinary and Salivary pH (litmus) paper Drinking straw Procedures: 1. Measure 2 ounces of water in a glass. Obtain the pH of the water in the glass. Record the water pH prior to experiment. Have the subject blow air through the straw into the water and keep blowing into…

Light microscope lab report

Then we observed under different magnification powers a certain number of specimens such as, Letter “e”, threads, and Hay infusion. The results were observed and recorded for the different specimens and it came out to be the higher the magnification the lesser the microscopic field. Introduction: One of the most important instruments in anatomy and…

Thin Lenses Lab Report

As reaction is reversible, removal of water or the addition of an excess of one of the reactants (cheaper one) drives the reaction towards formation of ester. Excess carboxylic acid is used) ј Adding excess arbitrarily acid is preferred as it is easier to separate carboxylic acid and ester compared to removing water t] solvent…

Biological molecules lab report

This does not mean to just restate what was in your sample. Think about it. Analyze it. Does the result make sense, based on the label and on what is known about the food. Do the results make sense to you. If they do not, think about, and research, what might be going on. Do…

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