Programmed Aging Theories Propose That Senescence Occurs Because

question 20

Multiple Choice

Programmed aging theories propose that senescence occurs because

• A)the telomeres capping the ends of chromosomes become shorter with each cell division and their loss eventually stops the chromosomes from replicating.
• B)mistakes in the replication of cells or buildup of damaging by-products from biologic processes eventually destroy the organism.
• C)unstable oxygen,formed normally during metabolism,can damage cells by initiating reactions that break down cell membranes.
• D)fast-paced living shortens one's lifespan.

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Definitions:

Age-Related Timing

Refers to the specific periods or stages in life when certain behaviors, abilities, or characteristics are most likely to emerge, often linked to biological and social factors.

Developmental Milestones

Specific functional and physical abilities that most children achieve within a certain age range.

Schemas

Structures or patterns in the brain that help organize and interpret information.

Conceptual Frameworks

Structures of concepts and theories that guide the collection and interpretation of data in research and practice.