Enzyme inhibitor

Introduction of Angiotensin-Converting Enzyme Inhibitors LeMone & Burke (2011) stated that in other to accurately discuss angiotensin converting enzyme inhibitors, it is very important to first of all briefly discuss about the three forms of angiotensin. Angiotensin I is produced by the action of renin on a protein called angiotensinogen, which is formed by the liver. Angiotensin I is then transformed into angiotensin II in the blood by the action of angiotensin-converting enzyme ACE. Angiotensin II therefore causes contraction of the muscle surrounding the blood vessels that leads to the narrowing of the vessels. When this process occurred (narrowing of the vessels) it causes the pressure within the vessels to increase which leads to hypertension, elevation of blood pressure.…

• Introduction Fluorouracil (or 5-FU) is an antineoplastic/cytotoxic (anti-cancer) chemotherapy drug used in the treatment of many type of cancers – The main one being bowel, or colorectal, cancer. As 5-FU has cured many people worldwide of bowel cancer, there are some side-effects that can affect the patient. This particular type of chemotherapy drug comes in several different forms to suit all stages of life who are affected with different types of cancer. (chemocare.com, 2015) • How Cancer…

Change the amount of enzyme Table 4: The absorbances of 5 cuvettes that measured at 475nm during a given time interval using spectrophotometer. Time (s) Absorbance @ 475nm Cuvette 1 Cuvette 2 Cuvette 3 Cuvette 4 Cuvette 5 0 0.003 0.003 0.004 0.002 0.009 30 0.003 0.004 0.008 0.013 0.021 60 0.005 0.005 0.013 0.016 0.031 90 0.005 0.008 0.019 0.020 0.040 120 0.007 0.011 0.022 0.033 0.051 Figure 4: The graph of time vs. absorbance of 5 cuvettes that contained different amount of…

insufficient communication is a barrier that inhibits collaboration in online courses. This aligns with research that suggest that the asynchronous nature of many online courses creates an environment that includes a waiting period that, in some cases, allows time for the student(s) to go ahead and find the answer or solution before the instructor or peers have an adequate time to respond (Monahan, McArdle, & Bertolotto, 2008). However, 41.1% of participants disagreed or strongly disagreed that…

The data gathered from this experiment showed that chloramphenicol resulted in the largest zones of inhibition when S. epidermidis and S. enteritidis were exposed to it (Tables 1 & 2, Figure 2). Vancomycin caused the second-largest zones of inhibition in S. epidermidis, larger than the zones caused by nalidixic acid, but had no visible effect in S. enteritidis (Figure 2). When S. enteritidis was exposed to nalidixic acid, it created zones of inhibition just slightly smaller than the zones…

Enzymes are biological molecules macromolecules that catalyze chemical reactions. Enzymes are usually proteins; however, it has been discovered that some enzymes are RNA molecules. The molecules at the beginning of the process to which enzymes act upon are called substrates, which are converted to the products by the actions of the enzyme. Almost all metabolic processes require enzymes to catalyze reactions to a rate that is fast enough to sustain life. Enzymes increase the rate of the reaction…

Introduction Enzymes are an important biological catalyst that is absolutely crucial for life to exist. The ultimate purpose of this experiment was to examine enzymes and how they function in cells, explore the result that concentrations and environmental factors have over these functions, and lastly to read and interpret graphs related to enzyme function. This type of study had various parts, therefore there are various hypotheses. The first being, if it is potato extract, then it will contain…

Result and discussion: Substrate specificity The substrate specificity for the PPO is represented in table. The Km values for catechol, L-DOPA, L-tyrosine, and p-Cresol are 4.12 × 10-3, 16.4 × 10-3, 6.12 × 10-3, and 5.01 × 10-3, respectively. Catechol was the best suited substrate, having the lowest Km value and highest Vmax value when compared to other 3 substrates (Table 1). Table 1: Substrate specificity of PPO enzyme Substrates Specific activity (units mg-1 protein) Km (µM) Vmax (abs min-1)…

of Competitive Inhibitors on Catechol Oxidase Enzyme Activity. Jaley Willingham, 2015, Functional Biology, Texas State University, San Marcos, 78666. Abstract Competitive inhibitors may have an effect on enzyme activity. We investigated the effects that parahydroxybenzoic acid has on the enzyme activity of catechol oxidase. For this experiment, different levels of parahydroxybenzoic acid concentration were added to catechol oxidase. Each level of concentration was then tested for the absorbance…

1 enzyme Enzymes are biological catalysts. A protein compound Energy can reduce the carbon reaction. Enzymes to accelerate specific types of reactions. And the kind of substance that reacts. 2.1.1 catalysis of enzymes E is a catalyst (enzyme). S is a precursor called chop, nitrates and substance P is a product. E + S ---------------> E S ---------------> E + P. Complexometry 2.1.2 Factors affecting the enzyme. 1) What type of controlled…