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Evolution
The process of change that has transformed life on Earth form its earliest beginnings to the diversity of organisms living today.
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Biology
The scientific study of life.
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Emergent Properties
Refer to those properties that arise from the collaborative functioning of a system, but do not belong to any one part of that system.
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Reductionism
Reductionism is the reduction of complex systems to simpler components that are more manageable to study
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System Biology
Is an approach that attempts to model the dynamic behavior of whole biological systems based on a study of the interaction among the system's parts.
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Eukaryotic Cell
Is a subdivided by internal membranes into various membrane-enclosed organelles. Most Eukaryotic cells, the largest organelle is the nucleus, which contains the cell's DNA.
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Prokaryotic Cell
Are much simpler and generally smaller than Eukaryotic cells. The DNA is not separated from the rest of the cell by enclosure in a membrane-bounded nucleus.
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Gene Expression
The process by which the information in a gene directs the production of a cellular product, is called gene expression
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Genome
Is the entire library of genetic instructions that an organism inherits is called its genome.
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Genomics
An approach that researches use to studying whole sets of genes of a species as well a comparing genomes between species.
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Negative feedback
The most common form of regulation in living systems is Negative Feedback, in which accumulation of an end product of a process slows that process.
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Positive Feedback
The end product speeds up its own production. The clotting of your blood in response to injury is an example.
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Domain of Life
- a) Domain Bacteria
- b) Domain Archaea
- c) Domain Eukarya
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Natural Selection
The mechanism of evolutionary adaptation-because the natural environment "selects" for the propagation of certain traits among naturally occurring variant traits in the population.
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Science
From the Latin verb meaning "to know" Science is a way of knowing-an approach to understanding the natural world.
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Hypothesis
Is a tentative answer to a well framed question-an explanation on trail. It is usually a rational accounting for a set of observations, based on the available data and guided by inductive reasoning.
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Deductive Reasoning
Is generally used after the hypothesis has been developed and involves logic that flows in the opposite direction from the general to the specific.
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Controlled Experiment
One that is designed to compare an experimental group.
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Theory
- Is much broader in scope than hypothesis. A theory is general enough to spin off many new, specific hypotheses that can be tested.
- A theory is supported by a much greater body of evidence.
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