making decisions in corporate affairs. Corporate governance includes the processes through which corporations’ objectives are set and pursued in the context of the social‚ regulatory and market environment. Governance mechanisms include monitoring the actions‚ policies and decisions of corporations and their agents. Corporate governance practices are affected by attempts to align the interests of stakeholders. There has been renewed interest in the corporate governance practices of modern corporations
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Jolly Nguyen 11C Conditions needed for effective enzyme action Aim: To investigate the activity of enzymes and how might the activity be effected in different conditions. Hypothesis: Temperature rises and change of substrate concentration may cause denaturation of the protein of enzymes. So as the temperature rises the amount of active enzyme progressively decreases‚ and the rate is slowed. Exposure to heat causes atoms to vibrate violently and this disrupts bonds within globular proteins
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confidence intervals The confidence intervals represent upper and lower bounds of variation around each reference forecast. Values may occur outside the confidence intervals due to external shocks‚ such as extreme weather‚ structural changes to the economic system‚ geopolitical events‚ or technology development. The confidence intervals increase in width throughout the forecast period due to the increasing level of uncertainty in each subsequent year. The upper and lower bounds were based
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1. a. The action potential changes the membrane potential from -70 mV (resting) to +30 mV and back again to the resting membrane potential. b. This results from a change in membrane permeability first to Na then to K due to the opening of what type of ion channels? Voltage gated channels 2. a. Where is the density of voltage-gated Na+ channels the greatest? Axon hillock b. What areas of the neuron generate signals that open these voltage-gated channels? Dendrites and the cell body c. Opening
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seeing‚ smelling‚ tasting‚ or touching. Sensory adaptation occurs when the "continued presence of that same stimulus results in a loss of sensitivity" (ref). In order for the brain to continue to experience the stimulus‚ "a stronger stimulus is needed in order to activate the reactors" (ref). To test the experience of sensory adaption‚ three experiments were conducted‚ involving touch and taste. Experiment 1 In the first experiment‚ I take a piece of sandpaper and rub my index finger over
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Do smartphones increase or decrease social interaction? Samuel Walendowsky English Composition I Mrs. Meinhardt November 25‚ 2012 Abstract Everyday more smartphones are sold around the world‚ nowadays there are about 1 billion smartphones being used in the entire world. Now it is much easier and faster to share information‚ experiences‚ pictures and ideas to everyone. We are getting so used to all of these technologies that soon
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Sodium (Na+) ions b. GABA: Chlorine (Cl-) ions 7. Ion channels are regionally located and functionally unique. List all the areas on the neuron and the type of potential dependent on the following types of ion channels: |Channels |Areas on the neuron |Type of potential | |Nongated |dendrites‚ cell body‚ axon |resting membrane | |Chemically-gated
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Exercise 3: Neurophysiology of Nerve Impulses: Activity 2: Receptor Potential Lab Report Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. 1. Assuming that the resting potential of a sensory neuron is -70 mV‚ which of the following represents a depolarization? You correctly answered: c. a change to -60 mV 2. Which of the following is a sensory modality (type of sense)? You correctly answered: e. all of the above 3. Which of the following is a sensory stimulus
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The Ionic mechanism and propagation of action potentials. The action potential is the result of a large‚ sudden increase in sodium permeability of the membrane. The resulting rush of sodium ions into the membrane and accumulation of positive charge on its inner surface drives the potential towards Ena. This is followed by repolarisation‚ whereby there is a large increase in the membranes permeability to potassium ions‚ hence the membrane returns to Ek. Explanation of the (ionic) mechanisms underlying
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Sales How does Groupon generate revenue? - Because Groupon relies on its merchants to provide its consumers with products or services‚ they must continue to grow their merchant relationships to provide their customers with new products. Merchants provide the foundation of Groupon’s business‚ so without merchants‚ Groupon wouldn’t have anything to offer to its consumers and therefore not be able to generate revenue - the graph shows the importance of Groupon’s relationships with its merchant. Since
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