Three reasons for believing in the accuracy or inaccuracy of sensory information is perception‚ interpretation‚ and knowledge. Perception is our sensory experience of the world around us and involves both the recognition of environmental stimuli and actions in response to these stimuli (Bagley‚ 2004). Through the perceptual process‚ we gain information about properties and elements of the environment that are critical to our survival. Perception not only creates our experience of the world around
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Chapter 6 Explain what free energy is and how it can be used to predict the energetic outcome of chemical reactions.Free energy is defined as the energy available to do work in any system. The free energy is denoted by the symbol G. G = H – TS* H: the energy contained in a molecule’s chemical bonds‚ called enthalpy.* TS: the energy term related to the degree of disorder in the system. T is the absolute temperature (K)‚ and S is the entropy.We can use the change in free energy to predict whether
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Race has destroyed the unity between people in the Caribbean since Africans were forced into slavery. The idea of what the Africans were made them seem like objects and not human beings. They were stereotyped as dirty‚ unintelligent and shipped as cargo. While the Whites were treated as Gods and represented as pure even when they commit horrible acts. White identities even in todays times are not fixed‚ it is constantly being developed and transformed in different societies around the world. Even
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1. What is the movie all about? Lorenzo’s Oil Lorenzo is the son of Michaela and Augusto Odone. He begins to have strange memory problems and blackouts. At age 6‚ he is diagnosed with the childhood cerebral form of ALD‚ a progressive degenerative nervous system disorder. There is no cure for this disease and his parents are told he will become totally disabled and die in a few years. Michaela and Augusto‚ devastated by Lorenzo’s diagnosis‚ decide to research ALD even though neither has a
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is the first step in evolution. Mutations are chance alterations in an organism’s DNA that causes their genetic makeup to change. Mutations can affect a population as a whole but also affects the individual‚ whose mutated genotype may affect its phenotype‚ causing it to become different from it’s grorup. Natural selection will either allow this individual to live and reproduce (if the mutation is beneficial) or cause it to die due to its genetically induced lack of fitness. Migration occurs when genes
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alone‚ more commonly but not exclusively (than) to a member of the same sex.” If you had the chance to explain this to Darwin‚ what would you say? Eukaryotic organisms contain chromosomes‚ which contain alleles. Alleles are responsible for the phenotype (observable characteristic) that is expressed by the individual. Alleles can be dominant or recessive.
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Maintaining a Balance Enzymes 1.1 Identify the role of enzymes in metabolism‚ describe their chemical composition and use a simple model to describe their specificity on substrates Enzymes are biological catalysts‚ meaning they are organic and speed up a chemical reaction without taking part in it. This means it has a vital role in metabolism where it ensures that the chemical reactions that make up metabolism can function fast enough to sustain life by lowering activation energy. Metabolism
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Asthma Asthma is described as an inflammatory condition of the lungs with no cure. This condition is a chronic or long-term lung disease that inflames and narrows the airways. This inflammation makes the airways swollen and incredibly sensitive. The airways then tend to react to certain substances that cause irritations. When the airways are irritated by these substances the muscles around the airways tighten and narrows the airways. The narrowing airways then cause a lack of air flow into the lungs
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carbon to which the base is attached. 2. How does an organism’s genotype determine its phenotype? The genotype of an organism is the sum total of all the genes that it inherits. It is sort of like a blue print that is designed to serve as a guide in the development of the organism‚ so that it will become the same kind of creature as the parent or parents that it came from. The phenotype‚ the organism’s physical trait arises from the actions of a wide variety of proteins. For example structural
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Gregor Mendel wondered is his principle of segregation worked with individuals who differed in two traits. To test this‚ Mendel crossed pure lined round‚ yellow seeds with pure lined wrinkled‚ green seeds. He predicted that the F_1 offspring would be heterozygous for both genes. Experiments had established that the allele for yellow seeds were the dominant allele (Y) and green seeds were the recessive allele (y). There were two different ways as to how seed shape and seed color would be passed onto
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