Chemistry Essays

Step 1: Determine which GPCRs are associated with the peach scent. (3.5 pts) Insert the cDNA of all the olfactory GPCRs into E. coli and purify out all the olfactory GPCR proteins. For each GPCR protein, have one control reaction with just the GPCR, and one experimental reaction where the …

The types of experiments that may take place in colleges and schools around the world, differ in many aspects to experiments that although produce the same end product, are done on a much larger scale in industry. The aspects they may differ in are equipment, time taken, and many other …

On May 7, 2011, I went to the Timken Museum of art located at the southeast side of Balboa Park, San Diego. I chose a painting named “The Piazzetta at Venice” by artist Luca Carlevarijs (1663-1730 Venice). I t was very interesting painting that grabbed my attention at first. The …

Introduction In the banana oil lab we began with isopentyl alcohol + acetic acid  isopentyl acetate + Water. We needed for this experiment a hot plate, clamps, pipette, 5mL vial, caps, hoses and a thermometer. Upon starting, our group set up an open system experiment that allowed gases to …

Goal(s): To separate a mixture of sand and salt and to find the percent of each component by mass of each mixture Background Theory: A mixture is a combination of two or more pure substances in which each pure substance retains its individual chemical properties. Mixtures can be separated by …

Objectives 1. To understand the importance of choosing suitable indicators for detecting the end points of acid-base titrations. 2. To obtain titration curves for some acid-base titrations. Introduction Indicator is usually a weak organic acid or base that has distinctly different colours in its protonated and deprotonated forms. There are …

1. Create a data table to record your data from the procedure. Be sure that the data table is neat and organized and that all measurements have the correct significant figures and units. (3 points) Table of Masses Empty Dish NaHCO HCl+NaCO3 Final (Dish and Salt Product 24.35 (grams) 10.06 …

Respiratory acidosis is a condition that occurs when the lungs cannot remove all the carbon dioxide the body produces. This causes body fluids, especially the blood, to become too acidic. Chronic respiratory acidosis occurs over a long period of time, this leads to a stable situation, because the kidneys increase …

In this experiment, the objective was to observe the effects of some of the colligative properties of solutions. The freezing points of distilled water and saltwater were measured, and found to both be about 0 °C. The osmotic effects of different solutions on a dialysis bag and an egg membrane …

Methane red is an indicator of a bacteria metabolizes glucose. When bacteria metabolize glucose there is a drop in the ph of the broth, when the ph of the incubated bacteria is above 6.0 the broth will turn yellow if the ph is below 4.4 it will turn red. The …