Chapter 2: Molecules, Cells, and Theories
- Page ID
- 83925
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- Explain the importance of chemistry and chemical reactions.
- Explain the importance of cells, proper cell structure and functioning.
- Describe the hierarchy of structure and functioning in the body.
- Name important body chemicals and list their main functions
- Describe methods of formation of, harmful effects from, and body defense mechanisms against free radicals.
- Describe methods of formation of and harmful effects from glycation.
- List main parts of cells and their functions.
- Explain how genes control cell structure and function and body structure and function.
- Describe the main steps in cell reproduction by mitosis.
- List reasons why mitosis is important.
- Describe the Hayflick limit and its possible importance to aging and disease..
- Describe neoplasia and its two main forms (i.e., benign neoplasia,, cancer).
- Describe apoptosis and its relevance in aging.
- Explain relationships between studying aging and studying genetics.
- Describe the structure and functions of intercellular materials.
- Distinguish between evolutionary theories of aging and physiological theories of aging.
- Distinguish between programmed theories of aging and stochastic theories of aging.
- List evolutionary theories of aging.
- Describe, compare and contrast the disposable body theory, the antagonistic pleiotropy theory, and the accumulation of late-acting error theory of aging.
- List and briefly describe physiological theories of aging (genetic, rate of living, free radical, mitochondrial, mitochondrial DNA, clinker, cross-linkage, hormone, calcium, immune system, wear and tear, network) and their relevance to aging.
- Explain why forming and testing theories of aging are important.