General English standard of students Question 1: How bad is the situation? 1. HKEAA recently completed the first administration of the TSA of Primary 3 students to assess their performance against professionally defined competences in Chinese‚ English and Mathematics. Surprisingly‚ there are 25% of students who fail in English. 2. In the 2009 HKCEE and HKALE English examinations‚ there are some unacceptable mistakes such as some students spelled banana wrongly to ‘’banna’’ and ‘’bananna’’
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Microbiology (Lab Report) Closed system growth curve Closed System Growth Curve Lab Report PURPOSE Bacteria grown in a closed system show a specific growth pattern called the growth curve which consists of four phases. The lag phase‚ which is a period of slow growth; exponential phase‚ period of maximum growth; stationary phase‚ where nutrients become the limiting factor making the growth rate equal to the death rate and the death phase where organisms die faster than they are replaced. It
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Chemistry 512 Enzyme Catalysis Lab Report Pre-lab Questions: 1. Write a balanced chemical equation with state symbols for the reaction catalyzed by peroxidase. 2H2O2 2H2O + O2 (4H1 4O) (4H + 2O + 2O) 2. What is the substrate(s) of this reaction? What is the catalyst? Substrate = H2O2 hydrogen peroxide Catalyst = peroxide 3. At what approximate temperature do enzymes normally operate in the body of a warm-blooded animal? Would your answer change if the enzyme came from a plant or yeast? Enzymes normally
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The Beauty Standard "Does this make me look fat?” Everyone at one time or another has experienced this iconic question in some way. Your best friend may have asked it‚ as she was getting ready for a date or maybe you muttered these words to yourself as you stared disapprovingly into a mirror; either way‚ this six-word question alludes to a standard of beauty that everyone strives to meet. A standard of beauty that is almost impossible to meet. The definition of beauty has evolved greatly over
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Guidance on the national occupational standards for supporting teaching and learning in schools National occupational standards for supporting teaching and learning in schools: unit titles and their elements The national occupational standards for supporting teaching and learning in schools (STL NOS) can be found on the national database of national occupational standards (www.ukstandards.org) or downloaded from the TDA website at www.tda.gov.uk/stlnosunits. Unit title Elements STL1
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Double Standard Women of our time are beginning to break into this male dominated news industry. A recent survey from Ball State University showed that 99% of all broadcast newsrooms have female employees and that now women make up more than 40% of the total broadcast workforce (Papper‚ 2005). That same survey unfortunately showed that only 10% of local sports reporters are women and that 7% of local sports anchors are women (Sheffer‚ 2007). These numbers show that women are breaking into the
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Hunter Tipton Mr. Aaron Gottbrath English IV Final Paper May 1‚ 2012 The BBCOR Standard There are mixed reactions to the acronym BBCOR in the baseball community. If someone would be to ask a pitcher what they thought about the BBCOR bats‚ many would say that they love the new bats. If someone were to ask someone that is a batter‚ they more than likely would say that they don’t like the new bats. There are those that look strictly on the statistics and say that the new bats are great because
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Biology Digestive Enzyme Experiment “Design an experiment in which you will investigate a digestive enzyme’s effect on digestion” Research Question: To determine the effect of enzyme concentration on the rate of digestion. This will be done by increasing the concentration of the enzyme diastase and investigate its effect on the rate of starch digestion. The rate will be determined by the amount of time it takes to completely digest the powdered starch‚ the complete digestion will be indicated by
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The effect of enzyme concentration‚ substrate concentration‚ pH‚ and temperature on the enzyme catalase. Introduction: Enzymes are biological catalysts; proteins and RNA. They are required for most biological reactions and they are highly specific. Each enzyme has an active site. The active site is the spot on the enzyme where a substrate fits in. Substrates binds with enzymes through the active site. Enzymes‚ being highly specific‚ only fit with one certain substrate. Enzymes and substrates
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