Enzyme

Question: How do different surface areas affect bacterial growth? Hypothesis: I think that the bacterial growth will be different in terms of size, shape, type and color. I think that different bacterias will grow on each quadrant because each surface of collection has unique bacterias. The unique bacterias will contribute to the fact that the size and color of them will also be different. I also predict that the growth of bacteria on the toilet seat (1D) will have the most colonies because it…

This experiment monitored the synthesis of uridine from the deamination of cytidine through separating the contents of the reaction mixture using HPLC (High-performance liquid chromatography) at various time intervals since the start of the reaction. Cytidine and uridine standards are ran and the output of the HPLC will show two peaks based on the retention times of each compound. Identified the peak with the retention time of 2.422 minutes is cytidine and uridine has a retention time of 2.716…

The Dye Experiment Introduction- The task was to investigate a number of natural dyes to find out if they are suitable with a particular fabric. Natural dyes are a colorants derived from plants, minerals, and etc. Vegetable dyes from plants are the main sources of natural dyes. Different kinds of vegetables and fruits that have color can be used in this experiment which can be berries,leaves, and other organic sources. Our group used beets, spinach, and carrots as our natural dye.…

Abstract: Using the PhysioEx.9.1 software, I ran Activity 4: Simulating Filtration lab to learn about the filtration of solutes in a membrane system. This experiment was conducted using four solutes: NaCl, urea, glucose, and powdered charcoal. The goal was to learn if any of these solutes passed through the three different dialysis membranes at varying pressures. Does increasing the pore size increase filtration rate? What effect will pressure have on the filtration rate? These are the…

Create a table consisting of four columns that features: time intervals of 30 seconds, number of bubbles that have risen in the warm sugar water yeast mixture, number of bubbles that have risen in the cold sugar water yeast mixture, and the number of bubbles that have risen in the distilled warm water yeast mixture. Fill the given plastic container with warm water halfway. Place a thermometer in the plastic container, and record temperature. Acquire scale, position wax paper over platform, and…

In the science world, the term “catalyst” refers to something that speeds up a reaction. A catalyst increases the speed of a reaction without changing itself. Instead of asking why things happen, we should ask how things happen. What elements were involved in the equation and what catalysts (if any) were involved? In historical terms, asking how is far more valuable than asking why. For example, US citizens in 1963 may never be able to understand why President Kennedy was assassinated. They…

Chromatography is a key aspect in chemistry. It allows one to separate molecules based on a variety of things. In labs 3 and 4 we looked at two of the characteristics that molecules carry that can help separate them. Lab 3 used spectrophotometry once again, but the concept that garnered the most interest was ion exchange chromatography. Ion exchange chromatography works by separating molecules based on the individual charges they carry. In our case we used anion exchange chromatography, which…

Our body needs to have an equilibrium in order to function properly. The process that is known to stabilize and regulate our body to function properly is called homeostasis. The homeostatic mechanism has three components: the receptor, the control center and the effector. Receptors are one of the components that provide the information of the sudden fluctuation in the body, then they transmit a signal from the nerves to the control center. The control center processes that information and…

Topic: Identifying Unknown Substances. Equipments: • 5 test tubes. • 1 beaker of Acid 1 beaker of water • 4-Litmus papers • 2 Pipette bulbs. • 1 robber stopper. • 1 Bunsen burner. • Q-tips(4). • Scoopula. Observation: Which substance is which? Hypothesis: All the unknown substances that we have are soluble in water. Procedure • We had a 4 test tubes filled with small amount of white powder. We labeled each test tube. For example the first test tube was labeled as “Substance A” , the second…

In this investigation, electrolyte content will be measured and compared to the sugar content to give a measurement of how drinks compare in terms of benefit during exercise. The independent variable will be the drink being tested, and the dependent variable will be the electrolyte and sugar content of that drink. Electrolytes are positively or negatively charged ions that are essential for survival. Positively charged electrolytes move towards a cathode, while negatively charged electrolytes…