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8 Cards in this Set
- Front
- Back
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What concept?
All differentiated cells of an adult organism contain the full DNA complement of that species (with few exceptions) |
DNA constancy concept
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What refers to the control systems used by cells to produce only the functional proteins the need for survival growth and function?
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control of gene expression
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What is the transcription level of controlling of gene expression?
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can be positive or negative; based on transcription factor availability and activity
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What is cell determination?
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once the cell starts to divide through development and goes through communication and division processes then the type of cell can be determined after it loses all potential except for one type
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What is it called when embryonic cells at the beginning of development usually have a larger range of possible cell types than their final fate?
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cell potency, totipotent very early or multipotent
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What refers to what a specific cell becomes through normal development?
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fate
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What are projections on the surface of an early embryo of the ultimate fate for various cells or regions of the embryo?
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fate maps
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What are two basic processes for cell determination?
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cell autonomous specification by localized determinants and conditional specification by induction (regulative)
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