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| Age | 2 |
| Biological Sciences | 2 |
| Science Education | 2 |
| Biochemistry | 1 |
| Biology | 1 |
| Conceptual Schemes | 1 |
| Demography | 1 |
| Ecology | 1 |
| Genetics | 1 |
| Human Body | 1 |
| Instruction | 1 |
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Author
| Oster, G. F. | 1 |
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Peer reviewedChemical and Engineering News, 1974
Discusses some of the current theories on aging, such as biological time clocks for certain cells and on-off switches for genes, that were offered as explanations at the 140th annual meeting of the American Association for the Advancement of Science (JR)
Descriptors: Age, Biochemistry, Biological Sciences, Biology
Peer reviewedOster, G. F. – BioScience, 1974
Presents a mechanical analog designed to reduce the conceptual difficulties experienced by many students in thinking about age distribution concepts in demography. (JR)
Descriptors: Age, Biological Sciences, Conceptual Schemes, Demography
