A protein is made up of at least one or more amino acid polymers. The necessity of proteins for life is unequivocal‚ not only do they help to form the structures of cells but they act as enzymes in reactions of the body1. Enzymes are biological catalysts that lower the amount of activation energy needed in carrying out biochemical reactions1. Enzymes are responsible for almost every reaction that occurs in a cell and is named according to the substrate they specifically affect. An enzyme works best
Premium Protein Metabolism DNA
3rd‚ December‚ 2005 Paper presentation on ADVANCES IN AUTOMOBILE EMISSION CONTROL TECHNIQUES by lakshmi & SriBharani Latha‚ B.Tech (MECH) GRIET‚ Bachupally‚ Hyderabad. Contents: 1. Abstract 2. Introduction 3. Types of emissions a) Tailpipe emissions b) Evaporative emissions 4. Emission standards 5. Need to control emissions 6. Emission Testing Procedures 7. Emission control techniques I. Tailpipe emission control techniques i) Increasing engine efficiency by Electronic
Premium Internal combustion engine Gasoline Diesel engine
The Origin and Evolution of Life on Earth Why do we start the discussion of biology with a discussion of geology? Here are some reasons why one would do this: * All life on earth is linked to geology; likewise‚ many surface geologic features and processes have been influenced by life on earth. The origin and early evolution of the earth are especially important when looking at the origin and early evolution of life on earth. * Life chemistry had its origin with the elements available to
Free DNA
The types of experiments that may take place in colleges and schools around the world‚ differ in many aspects to experiments that although produce the same end product‚ are done on a much larger scale in industry. The aspects they may differ in are equipment‚ time taken‚ and many other things. In this report I will explain how and why laboratory and industrial scale differ using the example of preparation of aspirin. The first difference is that instead of weighing the 2-hydroxybenzoic acid on scales
Premium Chemical reaction Chemistry Chemical substance
cause of any conflict. Catalysts such as westward expansion and extremists wouldn’t result in conflict standing alone‚ without the underlying dispute over slavery to fuel them‚ thus making slavery the more influential cause. In the early 1860s America faced the bloodiest war in its history‚ known as the American Civil War. The country was broken up by a drastic sectional divide between the North and
Premium American Civil War United States Southern United States
people. As it was expected‚ many people panicked and the whole society transformed into a riotous society. It lead to people attempting sucide‚ creating the 2012 film‚ and lastly the resolution‚ the Mayan calendar. First‚ the mass hysteria was the catalyst to people attempting suicide. People‚ along with their reasonable mentality‚ believed that diminishing their existence was perhaps the key to prevent the endless pain during the 2012 supposed disaster. Not only did they try to kill themselves but
Premium Suicide Death Suffering
decolorized within 1 hr and left for another hour for complete oxidation. The catalyst was separated by filtration and the filtrate was acidified‚ purged‚ and subjected to TOC measurement. The same steps have been replicated with 200 mg l -1 of CAT2 and 300 mg l -1 of CAT3. Residual TOC of 1.12‚ 1.26‚ 1.22 mg l -1 were recorded for CAT1‚ CAT2‚ CAT3‚ respectively. These residuals might due to non-purgeable carbon‚ unseparated catalyst‚
Premium Electroencephalography Theory Neurology
Unit 4: Carbon Nanostructures Carbon Structures: • Carbon contains six electrons with electronic structure: (1s2)‚ (2s)‚ (2px)‚ (2py)‚ (2pz). Outer s orbital together with three p orbitals form the chemical bonds of carbon with other atoms. • Conventionally‚ solid carbon has two main structures called allotropic forms: diamond and graphite: - Diamond is tetrahedrally bonded through sp3 hybrid bonds that form a 3D network. - Graphite has a layered structure with each layer called graphene formed
Premium Carbon nanotube
1. (a) The diagram below represents the industrial fractional distillation of crude oil. (i) Identify fraction A. (ii) What property of the fractions allows them to be separated in the column? (2) (b) A gas oil fraction from the distillation of crude oil contains hydrocarbons in the C15 to C19 range. These hydrocarbons can be cracked by strong heating. (i) Write the molecular formula for the alkane with 19 carbon atoms. (ii) Name the type of reaction involved in cracking. (iii) Write
Premium Petroleum Gasoline Internal combustion engine
11a-c show the photodegradation curves of biologically treated POME using a fresh and regenerated.................photocatalyst. The regeneration tests can be operated at the optimum conditions (COD concentration 300 mg/L and catalyst concentration 2 g/L) for 5 cycles. .Fig.11a show the adsorption capacity of fresh and regenerated photocatalyst versus time. For cycle 5‚ Fig.11a show that around ....% of the virgin capacity of the C‚N‚ S triple doped-TiO2-ZnO was regenerated and
Premium Oxygen Water Chemistry