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The human brain is the mainsource of nerve function in the body. It is the epicenter of the nervoussystem and controls all of the main neural functions of the human body (Lewiset al, 1998, 479-483). When assessing brain function, there are many differentareas that are addressed, but one main area of concern is the actual aging ofthe brain. As the brain ages, the functions that it performs are broken downand degraded. The nerves become slower and the motor functions are lessprecise. Short term and long term memory is negatively affected and theoverall brain function is broken down.
What factors are involved in the separation of the pigments? The factors that are involved in the separation of the pigments are the pigments solubility, the formation of the intermolecular bonds, and the size of each individual pigment particle. Since capillary action is the method by which the solvent moves up the strip of paper, the attraction of the molecules to the paper and to each other molecule is essentially determined by those factors.
Would you expect the Rf value of a pigment to be the same if a different solvent were used? Explain. No, because in different solvents, the solubility of the pigments would be different causing the Rf value to be different. In different solvents, the solvent rate would be affected, and since the rate is different, the distance traveled would also be affected, causing the Rf value to also be different.
What type of chlorophyll does the reaction center contain? What are the roles of the other pigments? Chlorophyll a is contained in the reaction center. Because it is the primary photosynthetic pigments in plants, other chlorophyll a molecules, chloroplast b, and the carotenoids (carotenes and xanthophylls) capture light energy and transfer it to the chlorophyll a at the reaction center. (College Board, 46)
In the study of general biology, a number of fields such as plant anatomy, plant taxonomy, plant physiology, comparative ecosystems, comparative animal physiology, neurophysiology, physiological ecology, endocrinology, and principles of electronic instrumentation ay be topics of interest.
In this paper, the writer will discuss plant physiology. The paper contains the definition of plant physiology in different dimensions, notes related study fields that complement or overlap the topic and explains the branches (or specific study areas) in the topic, detailing examples of what is studied within each subtopic. A general conclusion is given at the end of the presentation. An accompanying reference to the discussed topics is provided at the end of the paper.
Physiology has been defined as 'the science of the normal functions and phenomena of living things'. The current understanding of physiology crops from the works in Europe during the Renaissance interest in experimentation with animals. William Harvey (1628) who was a doctor to Charles I described the working of the heart in sparkling analyses after observations lead to the conclusion of experimental proof and functionality and which informs the importance of physiological analysis as 'physiology'. Physiology is based on hypothesis testing or functionality of given living phenomena.
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