Investigate the Effect of Varying pH on the Rate of a Reaction Catalysed by Trypsin Aims I hope to determine the effect of varying pH on the rate of reaction catalysed/controlled by the enzyme trypsin. Method 1. Add 4cm³ of the 2% trypsin solution in to 6 test tubes labelled A-F 2. Add 4cm³ of the appropriate buffer solution to each. ( I will be testing pH 4‚5‚7‚8‚8.8 and 10) 3. Add 4cm³ of distilled water and 4cm³ of the appropriate buffer solution to 6 control test tubes labelled CA-CF to see if the
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ATM: An automated teller machine (ATM) is an electronic telecommunications device that enables the clients of a financial institution to perform financial transactions without the need for a cashier‚ human clerk or bank teller. On most modern ATMs‚ the customer is identified by inserting a plastic ATM card with a magnetic stripe or a plastic smart card with a chip that contains a unique card number and some security information such as an expiration date or CVC (CVV). Authentication is provided by
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1. Indicators were identified with the observation that the colour of some flowers depend on soil composition Classify common substances as acidic‚ basic or neutral * An acid is a substance which in solution produces hydrogen ions‚ H+ or more strictly H3O+‚ sometimes called hydronium ions * A base is a substance which either contains the oxide O2- or hydroxide ion OH- or which in solution produces the hydroxide ion. * A soluble base is called an alkali Common properties of all acids:
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barter to exchange goods and services without the use of money competitor person or group that rivals another exchange to trade‚ or a market where buyers and sellers interact market place where buyers and sellers exchange goods and services market share a company’s sales divided by the total sales in the industry over a certain period of time trade to exchange goods and services‚ with or without the use of money value an item’s worth voluntary willing
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How gender roles are predetermined by the environment What is male? What is female? The answers to these questions everyone may depend on the types of gender roles they were exposed to as a child. Gender roles can be defined as the behaviours and attitudes expected of male and female members of a society by that society. Basically to make it clear the pattern of masculine or feminine behaviours of an individual that is defined by a particular culture and that is largely determined by a child’s
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Macroeconomics: we are interested as the economy as a whole. Week 1: DAY ONE Overview: 1) Short run issues a. What explains SR fluctuation in the economy? (Business cycle‚ Recessions‚ Boosts‚ etc.) b. Government policy (monetary and fiscal policy) c. Price level fluctuations d. Interest rates 2) Long Run issues a. What explains LR economic growth? GDP: Gross Domestic Product 1) Definition: the market value of all newly produced final goods and services within an economy over a given period of time
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WRITE SHORT NOTES ON THE THREE TYPES OF LEGITIMATE AUTHORITIES IDENTIFIED BY MAX WEBER. Max Weber‚ a sociological and philosophical worker defined authority as the chance of commands being obeyed by a specifiable group of people‚ and legitimate authority as that which is recognized as justified by both the ruler and the ruled. He further identified three typesof legitimate authority; Rational-legitimate authority‚ Traditional authority‚ and finally the charismatic authority. RATIONAL-LEGITIMATE
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Denotes a system of moral and ethical principles based on a person’s natural instinct and use of natural intelligence. i. Dates back to Greek Philosopher Aristotle (384-322 B.C.) distinguished between natural law and laws governing a nation. 2. The Positivist School A. Positive Law-National and written law i. POSITIVISTS believe there is no higher law than written laws. Natural laws are instead called human rights. 3. The Historical School A. Evolutionary process of law by
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Chapter 2: Perception Difference between perception and sensation our own “spin” on things is the perception that we get from it. Sensation is the immediate response of our sensory reactions to things Perception is the process by which these sensations are selected‚ organized‚ and interpreted. Perception is what we take away from our raw sensations Example is the cola and the pepsi‚ using only senses‚ we cannot tell the difference between them but if we are to add in perception of the beand
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Scanning the Marketing Environment Who are the primary competitors? How to ascertain their strategies‚ objectives‚ strengths and weaknesses‚ and reaction patterns? What are the key methods for tracking and identifying opportunities in the macro-environment? What are the key demographic‚ economic‚ natural‚ technological‚ political‚ and cultural developments? The Marketing plan Market survey Segmentation Identifying needs and wants Targeting Choosing a target market(s) Developping a market
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