Prac 3 The effect of change substrate concentration on the activity of an enzyme. Purpose To investigate the effect of change on the substrate concentration on the activity of an enzyme(catalase). Materials Potato‚ mortar & pestle‚ 4 test tubes‚ test tube rack‚ spatula‚ hydrogen peroxide 6%‚ 3%‚ 1.5%‚ pipettes‚ scalpel‚ ruler. Procedure 1. Cut using scalpel several raw potato cubes each measuring 1 cubic centimeter (cc). 2. Each cube was ground with a mortar & pestle and then added
Premium Hydrogen peroxide Catalase Oxygen
ETHICS AND SOCIAL RESPONSIBILITY ! Ethics are an individual should know what is right and what is wrong and it is not just to know about the right answer to make and individual decison. Ethical decisions depend on the behaviour‚ it might be right according to standard behaviour. There also many types of ethical issues. For example Communications‚many business individual they attempt to make false communication in behalf to attract customers. Another issue of ethical is Organisational relationship
Premium Ethics Business ethics Morality
Chemistry S-20 Week 1 Alkenes: Isomers and Nomenclature 1. There are 6 unique alkene isomers of the hydrocarbon C5H10. Draw each of these isomers‚ and provide a systematic name for each. 1-pentene (E)-2-pentene (Z)-2-pentene 2-methyl-1-butene 2-methyl-2-butene 3-methyl-1-butene 2. For the three alkenes above which are various isomers of pentene‚ rank them in order of stability. Explain your ranking. most stable (more subst. double bond) less stable (cis alkene is
Premium Electron Aromaticity Electron configuration
Case Study. The WineShop The WineShop is a fictional online wine retailer. It is open to the public: anonymous users have limited access to the system‚ and users can make purchases if they become members. The site aims to be attractive‚ simple‚ and usable; however‚ since it was designed by two computer scientists‚ we failed to make it attractive! It succeeds better in its technical aims: the WineShop manages over 1‚000 wines‚ stock information‚ and a database of around 1‚000 customers and their orders
Premium Wine Cabernet Sauvignon User
The Hobbit Informative Essay Assignment The Assignment: What does it mean to be a hero? J. R. R. Tolkien’s The Hobbit is a classic text that explore the idea of heroism‚ and your assignment is to write an informative essay that explains how Bilbo Baggins becomes a hero. Successful essays should 1) identify three of Bilbo’s heroic character traits‚ 2) explain how these traits are developed in Bilbo through the situations he faces and the ways in which he interacts with other characters‚ and 3) explain
Premium Bilbo Baggins Hero Frodo Baggins
Vaccines are an essential part of preventative care throughout life. Their purpose is to protect people and prevent them from catching diseases that can be dangerous and even life threatening . Before vaccines were created‚ almost everyone in the U.S. contracted the measles and a about couple hundred would die yearly from it. Today‚ it’s rare for a doctor to see someone infected with measles. The development of vaccines is a long and complex process that takes about 10-15 years. Vaccines protect
Premium Vaccination Vaccine Immune system
In 2014‚ there were 1‚298‚000 fires reported in the United States killing 3‚275 civilians in the process. It is scary to think‚ without firefighters‚ what would happen to those numbers. The casualties would have easily been doubled‚ possibly tripled then what it already was. Firefighters are courageous men and women who risk their safety and lives everyday to prevent fires from getting out of control and taking the lives of citizens. Firefighters do not get paid enough for the physical needs demanded
Premium Firefighter Fire
automate‚ and synchronize sales‚ marketing‚ customer service‚ and technical supports. By using the CRM system‚ the target company‚ Easy Go Easy Drink can be able to create loyalty customers and capture the new customers. By going this way‚ the company can easily achieve the sales target that set by the management level and expand the company size. We suggest that the Easy Go Easy Drink should have a good CRM system such as have memberships cards for the current customers‚ create new promotion to attract
Premium Customer relationship management Customer relationship management Customer service
a type of photograph that can tell a whole type of story behind it. Photojournalism should tackle current issues. It should feature something that’s on the news‚ or something people are talking about. Most people think photojournalism is such an easy career‚ most people just think you just have to press a button and done‚ but one doesn’t know how hard it is for one to take the perfect picture that captures the story you want to tell. The photograph that one takes needs to be extremely detail that
Premium University High school College
Osteoporosis Why is it a problem? Osteoporosis is a disease in which the bones become weak and are more likely to break. People with osteoporosis most often break bones in the hip‚ spine‚ and wrist. These issues result in the loss of bones which may change in some cases and not in others. How is it diagnosed? An accurate and common test done to diagnose osteoporosis is a bone density test to check a patient’s bone health. These tests diagnose the disease and tell whether you are likely to break
Premium Osteoporosis Bone Vitamin D