pepsin, the powerful enzyme in gastric juice that digests proteins such as those in meat, eggs, seeds, or dairy products. Pepsin was first recognized in 1836 by the German physiologist Theodor Schwann. In 1930 it was crystallized and its protein nature established by John H. Northrop of the Rockefeller Institute for Medical Research. Glands in the mucous-membrane lining of the stomach make and store an inactive protein called pepsinogen. Impulses from the vagus nerve and the hormonal secretions
Words: 4686 - Pages: 19
What Influences Enzyme Activity Biology Lab 2010-09-25 Summary In this lab we learned about what influences enzyme activity. We learned many terms and concepts in this lab. Enzymes decreases the amount of energy needed in a reaction. Catalyst speeds up reaction. A substrate is what the material with which catalyst reacts. A product is the modification of the substrate. This was a very informative and good lab. Materials 1. 1 Reaction spot plate 2. 3 Small Cups
Words: 1131 - Pages: 5
Science > Amylase enzyme: the effects of temperature About Contact Amylase Enzyme: The Effects Of Temperature Amylase is an important metabolic enzyme. Its function is to catalyze the hydrolysis of starch into glucose. At high temperatures, Amylase becomes denatured, denatured amylase no longer catalyzes the hydrolysis of starch into glucose. Amylase is an important metabolic enzyme. Its function is to catalyze the hydrolysis of starch into glucose. This particular enzyme, which is found
Words: 632 - Pages: 3
formed in enzymatic hydrolysis [58]. However, enzymatic hydrolysis is carried out by cellulase enzymes that are highly substrate specific [23,59]. Here cellulase and hemicellulase enzymes cleave the bonds of cellulose and hemicellulose respectively. Cellulose contains glucan and hemicellulose contains different sugar units such as mannan, xylan, glucan, galactan and arabinan. Cellulase enzymes involve endo and exoglucanase and b-glucosidases. Endoglucanase (endo 1,4-D glucanhydrolase or E
Words: 326 - Pages: 2
Introduction In this paper, I will be writing about case number 6.3 Speaking Out About Malt. I will be using Utilitarianism as my moral theory and will show that the principles of the case are acting morally. Summary of Case Mary Davis was an associate vice president for Whitewater Brewing Company. Her husband was working on his MBA and convinced her to take a night class with him. She enrolled in the class and had to write a term paper. She decided to write her term paper on the study of
Words: 286 - Pages: 2
Assignment #9 - Renal Physiology 1. Describe, in detail, the effects that the following altered states would have on blood pressure and plasma osmolarity (if any). Be sure to include a step-by-step description of underlying processes occurring. Note that plasma osmolarity is a measure of the concentration of solutes in the blood and is most profoundly affected by plasma sodium concentrations. (8 points) a) Increased aldosterone secretion (hyperaldosteronism) Increased aldosterone secretion
Words: 711 - Pages: 3
Effect of a factor on the activity of an enzyme Research Question: How does pH effect the activity of the enzyme amylase and the hydrolysis of starch? Hypothesis: Amylase is an enzyme that acts on starch. pH is capable of altering the structure of the active site centre in the enzyme leading to denaturation. At each pH, the enzyme activity would be relatively different. Ideally the optimum pH is 6.0 when the enzyme works best and the fastest, however if the pH is higher or lower the hydrolysis
Words: 528 - Pages: 3
Your Full Name: UMUC Biology 102/103 Lab 4: Enzymes INSTRUCTIONS: * On your own and without assistance, complete this Lab 4 Answer Sheet electronically and submit it via the Assignments Folder by the date listed in the Course Schedule (under Syllabus). * To conduct your laboratory exercises, use the Laboratory Manual located under Course Content. Read the introduction and the directions for each exercise/experiment carefully before completing the exercises/experiments and answering
Words: 1006 - Pages: 5
------------------------------------------------- Enzyme From Wikipedia, the free encyclopedia (Redirected from Enzymology) Enzymes /ˈɛnzaɪmz/ are macromolecular biological catalysts. Enzymes accelerate, or catalyze, chemical reactions. The molecules at the beginning of the process are called substrates and the enzyme converts these into different molecules, called products. Almost all metabolic processes in the cell need enzymes in order to occur at rates fast enough to sustain life.[1]:8.1 The set of enzymes made in a cell
Words: 303 - Pages: 2
Malfunctions of Homeostasis – The endocrine and nervous system work together to maintain homeostatic control in the body and communicate to regulate the body’s functions. They rely on chemical messages in order to function – the nervous system uses electrical impulses and the endocrine system uses hormones. They rely on the hypothalamus to coordinate these bodily functions. The endocrine system - Regulates any fluctuations in the body such as temperature levels, blood glucose levels and ADH
Words: 2265 - Pages: 10
