11 ST Revision i) Multiply the following numbers and express in terms of a x 10k where 1 ≤a ≤ 10 and k ϵ Z: 3.2 x 104 5.6 x 10-2 ii) Add them and multiply by four. iii) Factorise x2 – 49 iv) Factorise 16x2 - 9 v) Factorise x2 – 7x + 12 vi) Solve x2 -7x + 12 = 0 vii) The first term of an arithmetic sequence is 8 and the common difference is 7. The nth term is 393. Find the value of n. viii) A geometric sequence has first term 2 and third term 32. Find the common Ratio. ix) Find
Premium Venn diagram Geometric progression Integers
SOCIAL DILEMMS CRISCYNTHIA MCWILLIAMS INTRODUCTION TO SOCIAL PSYCHOLOGY DORIE RICHARDS FEBRUARY 18‚ 2013 Our perception of ourselves can be one of many but the most important of our perception is determined by our behavior. What we think about ourselves is who we become. If we think we are inadequate‚ we will begin to act that way. If we feel positive‚ we will act that way. The trail forward towards
Premium Love Psychology Sociology
with Fritz Albert Lipmann for the discovery of Coenzyme-‐A. • An 8-‐step process to further break down the Glucose into CO2 • Each step catalyzed by a specific enzyme. • It is a cycle because the product of step 8 is the reactant in step 1 (oxaloacetate). Substrate Level Phosphorylation 1 14-01-05 Electron Carriers (coenzymes) H Krebs Cycle
Premium Mitosis Cell nucleus Cell cycle
experiment is to test the effect temperature has on the activity of the enzyme rennin. Hypothesis: I believe the rate of reaction will speed up as the temperature increases until it reaches about 37oC‚ which is the body temperature‚ where it will begin to slow down and stop reacting. I believe this will occur because enzymes have a temperature range at which they work best in and once the temperature goes out of this range the enzyme will stop working. Introduction:Enzymes are made up of proteins which
Premium Enzyme
Enzyme assay lab report Health and safety: 4-nitrophenol is harmful. Introduction: Enzymes are quaternary structured proteins that are specific biological catalysts that speed up a reaction without being used up. They contain an active site that allows substrate to bind to a specific area on the enzyme which is of a complimentary shape of the substrate. There are two models of enzyme action‚ the Lock and Key model and the Induced Fit model. The Lock and Key model states that the enzyme has a specific
Premium Enzyme
Nigerian Society for Experimental Biology Printed in Nigeria Cofactor interactions in the activation of tissue non-specific alkaline phosphatase: Synergistic effects of Zn2+ and Mg2+ ions Femi J. OLORUNNIJI*‚ Adedoyin IGUNNU‚ Joseph O. ADEBAYO‚ Rotimi O. ARISE and Sylvia O. MALOMO Department of Biochemistry‚ University of Ilorin‚ P.M.B. 1515 Ilorin‚ Nigeria Received 19 March 2007 MS/No BKM/2007/028‚ © 2007 Nigerian Society for Experimental Biology. All rights reserved. -----------
Premium Enzyme Catalysis Alkaline phosphatase
Myra Morningstar is the owner of the small business‚ UMUC Haircuts. It is a small shop in the college campus area and Myra is looking to expand her business to meet the needs of customers. In order for her to be successful in her new adventure she will need to consider the needs of her customers‚ use of technology‚ and competition with the new local competitor. Barriers to entry in the Hair Care industry are very minimal. When it comes to barbershops and salons‚ there are a few already in the
Premium Hairdressing Hairstyle Customer service
Osmosis Lab Report by Evan Gerber Claire Cambron First Lab Report Wednesday 10:30am February 20‚ 2013 Theresa Gburek Abstract The major objective of the experiment was to test the effect of the concentration gradient on the diffusion rate. It was hypothesized that the greater the stronger the concentration gradient‚ the faster the rate of diffusion would be. To test this‚ dialysis tubes were submerged in different concentration fructose solutions. We weighed the tubes at specific
Premium Osmosis Concentration Diffusion
Examination of the Effects of Inhibitory and Non-Inhibitory Competition‚ Enzyme-Substrate Concentration‚ Along with Varying Temperature and pH-Balanced Environments on the Enzyme-Catalyzed Reaction of pNPP Abstract: Introduction: Many of the chemical reactions‚ which take place in in living things are controlled by enzymes. In such cases‚ the enzyme is a protein in the cell which lowers the activation energy of a catalyzed reaction‚ which serves to increase the rate of the reaction. Alkaline
Premium Enzyme Catalysis Chemical reaction
Biology Lab Scientific Paper Down syndrome is a condition in which a person has an extra chromosome. Chromosomes are small “packages” of genes in the body. They determine how a baby’s body forms during pregnancy and how the baby’s body functions as it grows in the womb and after birth. Usually‚ a baby is born with 46 chromosomes but babies with Down syndrome have an extra copy of one of these chromosomes‚ chromosome 21. A medical term for having an extra copy of a chromosome is trisomy. Down syndrome
Premium Down syndrome