Experiment No. 03 Date: Name of the experiment: Aerobic plate count (APC) and total coliform count of supplied yogurt sample. Purpose: To determine the aerobic plate count and total coliform count of the supplied yogurt sample. Principle: Yogurt squeezed or extracted from milks are more or less acidic‚ depending on the product‚ the pH generally ranges from about 2.4-4.2 and contain sugar (4.7g)‚ fat
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Look at Pablo Picasso’s Girl in a Chemise (Illustration Book‚ Colour Plate 40). In no more than 300 words‚ write a descriptive analysis of this painting. Pay particular attention to the positioning of the figure and to features such as lighting‚ colour and brush work‚ and say how you think these contribute to the effect of the work. In this painting Girl in a Chemise‚ Pablo Picasso uses a variety of artistic techniques to portray the girl in the impressionism and mood she is set in . The most
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“Discuss the Extent to which volcanic and seismic activity are evidence for plate tectonic theory” (40) Plate tectonics is the theory that explains the structure and motion of the Earth’s lithosphere. The theory states that the Earth’s crust is split into large sections called tectonic plates‚ and these move relative to one another creating boundaries at which plates converge‚ diverge and move past each other. Alfred Wegener pioneered the theory of continental drift in the early 1900s which he supported
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active dried yeasts (ADY). This experiment allowed the students to perform the plate count technique by serial dilution and two common methods‚ spread plate and pour plate to determine the colony forming unit (CFU) of yeasts A ten-fold dilution is used in this experiment‚ the sample is diluted until it reached the 10-9 dilution. Plating for spread plate started from 10-5‚ 10-6‚ 10-7 and 10-8 dilution while for pour plate‚ it started from 10-6‚ 10-7‚ 10-8 and 10-9 dilution. Having incubated inverted
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SOS—A Sample Ordering System for Delivering “Assay-Ready” Compound Plates for Drug Screening Biochemistry and Molecular Biology‚ Merck Frosst Centre for Therapeutic Research‚ 16711 TransCanada Hwy.‚ Kirkland‚ Quebec‚ Canada H9H 3L1; Phone: +1.514.428.3360; E-mail: christine_brideau@merck.com Abstract Many bottlenecks in drug discovery have been addressed with the advent of new assay and instrument technologies. However‚ storing and processing chemical compounds for screening remains
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Evaluate how plate tectonics theory helps our understanding of the distribution of seismic and volcanic events(40) The global seismic and volcanic activity is concentrated along the margins of the earth’s plates‚ which are broken pieces of the crust and are moved by convection currents that are caused by heat rising and falling inside the mantle generated by radioactive decay in the core. This movement of the plates and the Earth’s inner activity is called plate tectonics and can cause seismic and
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theory of plate tectonics help to explain the world distribution of earthquake and volcanic zones? The Earth’s crust is made up of seven major plates and several smaller plates. These plates drift on top of the mantle. When two plates meet‚ they can either be constructive‚ destructive or conservative. At a conservative plate margin‚ one plate moves past another. As the plates are not smooth‚ great amounts of tension build up and earthquakes are made when the tension is released and the plate moves
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Evaluate how plate tectonics theory helps our understanding of the distribution of seismic and volcanic events. Plate tectonics is a relatively new science. It’s partially explained in the sense that we still don’t know fully about how the plates came together‚ what they were before they were the seven continents we know today. We already know‚ or have a theory‚ about what our world was like a long time ago and so if we already know that the plates can pull and push against each other‚ then surely
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Plate tectonic theory is a widely excepted theory that the Earth’s lithosphere is made up of plates‚ both oceanic and continental‚ which slowly move due to convection currents in the mantle and the asthenosphere. However‚ it is very hard to be certain as we can’t see the structure of the Earth‚ so some people do not agree with it. This theory saw the introduction of what we know today to be tectonic plates. Tectonic plates occur where there is radioactive decay in the core and temperatures are extremely
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Parallel Plate Testing and Simulation of Corrugated Plastic Pipes According to ISO 9969 & EN 1446 Dr. Abdul Monaim Jesry‚ Eng. Yaser Alewe Syria-Aleppo city (Aleppo university) - Email:yaseralewe@gmail.com Abstract: The parallel plate test (ISO 9969 & EN 1446) is a standardized test for insuring that the ring stiffness and flexibility of thermoplastic pipe meets specified levels of performance. Traditional calculation of ring stiffness depend on study of the elasticity of the material and
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