The cell membrane is made up of fats‚ proteins‚ lipids‚ and carbohydrates‚ and is a permeable structure. However‚ this permeation is very discerning because it only lets certain things pass through it. The cell membrane has a layer of phospholipids with hydrophobic ends and hydrophilic tops. The “tails” are made out of phosphate‚ while the “heads” are made up of two strings of fatty acids. There are two layers of these phospholipids‚ called the “bilayer”‚ and the tips of each phospholipid are facing
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ABC Transporters: Juvenile Macular Degeneration (JMD) The ATP-Binding Cassette (ABC) also known as ATP-driven membrane pump is a superfamily of protein with a subfamily that contains a well-maintained ATP binding and several transmembrane domains (Devlin‚ 2011). Each member of the superfamily oversees the process of catalyzation dependent of ATP transporter from a wide diversity of substances and mediums present in different tissues in the body (Devlin‚ 2011). In addition‚ they are intricate in
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Therefore‚ new biomarkers that involve miRNA and cost effective non-invasive treatment options for both BA and HCC must be identified and created. In order to do so‚ the mechanism behind their development must be further inspected. By studying the interaction between AFB1‚ miR-155‚ and Wnt/β-catenin signaling pathway. New research findings will help obtain the information necessary to aid pharmaceutical companies to develop medical products that can help prevent or treat HCC and BA patients. Thus
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Design process 1. We are making an insulin receptor model showing how the receptor works on the cell and allows glucose flow though it. 2. We need to make a model out of some kind of craft material that will allow for us to portray a insulin receptor and will move easily for demonstration 3. – insulin receptors are mainly on the outside of the cell and have multiple components to them * Main job of an insulin receptor is to allow for the insulin to bond to the receptor to
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Rafa Mwais Professor Hermann Chem 157 Paper #5 May 28‚2013 Crystal Structure of the Catalytic Portion of Human HMG-CoA Reductase 3-hydroxy-3methylglutaryl-CoA reductase (HMGR) catalyzes the formation of mevalonate in the biosynthesis of sterols and isoprenoids. The activity of this enzyme is regulated physiologically through synthesis‚ degradation and phosphorylation to maintain to maintain the concentration of the mevalonate-derived products. Transcription and translation of HMGR increase
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The effect of alcohol concentration on the cell membrane Abstract: In this experiment I found out that as the concentration of the alcohol was increased so did the colour intensity of the solution. This is because the higher concentration of ethanol‚ results in more damage done to the cell membrane‚ resulting in leakage of red pigment from the cell. If the membrane is damaged more‚ more red pigment will leak out of the membrane and into the ethanol. Hypothesis: The higher the concentration
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National Security Agency (NSA) coordinates‚ directs‚ and performs highly specialized activities to produce foreign intelligence information and protect United States information systems through two main missions‚ Signals Intelligence (SIGINT) and Information Assurance (IA). The Signals Intelligence (SIGINT) mission uses cryptologic machines to break foreign codes to find out what they know and what they are doing. The biggest accomplishment publicly known was when they broke the Japanese military
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ANALOGUE & DIGITAL SIGNALS Name: - BHAVESH PATWAL Tutor : - JAY PATEL Date: - 20th November‚ 2012 I . Analogue Signals : - Analogue signal is a form of transmitting data such as voice‚ image or video using continuous signals. This is a relatively inexpensive way to transmit data. Analogue communications are usually sent via twisted cables or fibre optic cables and they are transmitted via a carrier signal which is set at a specific frequency. The primary disadvantage of
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Urine production If body fluids are hypo osmolar‚ then kidney will produces hypo osmolar urine. (Dilute urine) If body fluids are hyper osmolar (dehydration) then kidney produces hyperosmolar urine. (concentrated urine) In the renal cortex the osmolarity of interstitial fluid is 300mOs/L going to 1200mOs/L in the papilla. From the cortex to the papilla there is an increasing hyper osmolarity of the interstitial fluid. Cortico papillary osmolarity gradient. Urine with osmolarity more than 300mOs/l
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Chapter 4: Membrane Structure and Function Fluid Mosaic Model 1. Consistency of membrane is solid enough to form a boundary‚ but flexible and permeable like a fluid. 2. Proteins scattered throughout - Embedded or on the surface - Can move around laterally 3. Phospholipid from bilayer‚ make up most of membrane 4. Glycolipids have carbohydrate chains attached. 5. Hydrophilic heads point out/into the cell 6. Hydrophobic tails point out towards each other Proteins 1. Glycoproteins: have
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