are a non-protein component of an enzyme and may be organic molecules (called coenzymes) or inorganic ions. 2. (A) NAME FOUR HEAVY METALS THAT ARE TOXIC TO HUMANS. Four heavy metals that are toxic to humans are: 1. Cadmium (Cd) 2. Lead (Pb) 3. Mercury (Hg) 4. Arsenic (As) (B) EXPLAIN IN GENERAL TERMS WHY THESE HEAVY METALS ARE TOXIC TO LIFE. These heavy metals are toxic to life because they generally bind tightly and permanently to the active sites of enzymes‚ thus destroying their catalytic
Premium Enzyme Enzyme inhibitor Metabolism
I. Title: Reaction of Metals II. Problem: The purpose of the experiment was to determine if and how different metals react to different solutions. III. Hypothesis: IV. Materials: Dropper‚ Beakers‚ wax pencil‚ Goggles‚ eight test tubes‚ a rack for the tubes‚ three strips of Zinc‚ two strips of Copper‚ three strips of Magnesium‚ steel wool‚ Lead nitrate‚ Silver nitrate‚ Copper sulfate‚ Magnesium chloride‚ Zinc chloride‚ Sodium chloride‚ and Potassium. V. Procedure: In tube 1 add five
Premium Zinc Metal Copper
Usually most people believe‚ gold ore are golden‚ it is not true‚ the gold ore is black‚ mainly to see the gold content of ore‚ usually gold content per ton of gold ore can reach 2-3 g‚ here today for you to uncover gold ore into gold brick. Gold ore into the crusher two large stones will be turned into gravel-sized‚ and then transmitted to the powder ore bin‚ will be screened out of the stone into the crusher(crusher)‚ broken transported by conveyor belt to transfer positions ‚ and then round the
Premium Gold Conveyor belt Ore
Production and Properties of Metals Mr J E Chuter‚ Cert Ed 2012 En No 20100292 Introduction I have decided to produce a project based on the production and properties of metals‚ as although I have worked as a welder for over 30 years‚ and a welding teacher for the last 2 years on apart-time basis‚ I felt I didn’t know enough information on the material that I work on‚ on a daily
Premium Iron Steel Zinc
Issue: The short documentary‚ Blue Gold‚ presented an issue of our planet’s water supply. Our planet is made out of about 70% of water. However‚ less than 1% of that water is actually drinkable. The issue is that water is becoming scares and due to lack of rain‚ the precious water begins to dry out. As the water source rapidly declines‚ the corporations saw that as a chance to make profit. Therefore‚ we are forced to buy overpriced water. Summary: Blue Gold did a great job representing the
Premium Water Third World Water crisis
HEAVY METAL MUSIC WHAT IS HEAVY METAL MUSIC? Heavy metal (often referred to simply as metal) is a genre of rock music that developed in between 1968 and 1974 ‚ largely in the United Kingdom and the United States.With roots inblues-rock and psychedelic rock‚ the bands that created heavy metal developed a thick‚ massive sound‚ characterized by highly amplified distortion‚ extended guitar solos‚ emphatic beats‚ and overall loudness. Heavy metal lyrics and performance styles are generally associated
Premium Electromagnetism Magnetic field Oxygen
Executive Summary 1. We see the company considering the penetration to the new market with a new product. After testing‚ their prototype cushion pads‚ consisting of curled metal‚ performed superiorly to asbestos pads‚ which are currently the industry standard compliment product to pile drivers. 2. Despite the fact that there’s no such a product on the market at the moment. The copmany is likely to face competition from the asbestos pads market (a substitute product) 3. The potential market
Premium Marketing
Old is Gold “Don’t try to be original; just try to be good‚” a very simple advice from Paul Rand‚ yet a very honest advice for designer-to-be. Paul Rand was one of the inspirational pioneers of modern graphic design. Even if one has not heard of his name‚ he or she must has seen his design works certainly. A few of his well-known logo designs are ABC‚ UPS and IBM. His book‚ “A Designer’s Art” is as influential as he was. It is not only involved aesthetic requirements for graphic designers‚ but
Premium Graphic design Design
ABSTRACT Gold is a brilliant yellow precious metal that is resistant to air and corrosion. Gold comes second after bank deposits when it comes to the preference for investment in India and considered a savings and investment vehicle. India is the world’s largest consumer of gold in jewelry as an investment. Gold is traded in the form of securities on stock exchange Even when the gold prices are high there is steel boom in the commodities market of gold hence the main purpose
Premium Futures contract
is made from hardened steel with sharp points at each end. Lines drawn with a scribe are far more accurate than a line drawn with a pencil or pen. A scriber is used to make sharp‚ clearly defined lines on metal. An Engineers Square consists of a metal blade set at 90 degrees to a solid metal block (the stock). Practical uses of an engineer square is a guide for a scriber when marking out lines at right-angles to the edge of the work and a guide to setting up or checking work to see if it’s squared
Premium Ruler Measurement Geometry