Straighterline Intro to Nutri Quiz 15 Chap. 16 with 100% correct solutions 2024

aging correct answersTime-dependent physical and physiological changes in body structure and function that occur normally and progressively throughout adulthood as humans mature and become older. reserve capacity correct answersThe extent to which an organ can preserve essentially normal function despite decreasing cell number or cell activity. kidney nephrons correct answersThe units of kidney cells that filter wastes from the bloodstream and deposit them into the urine. glycosylation correct answersThe process by which glucose attaches to (glycates) other compounds, such as proteins. compression of morbidity correct answersDelay of the onset of disabilities caused by chronic disease. life span correct answersThe potential oldest age a person can reach life expectancy correct answersThe average length of life for a given group of people born in a specific year. thrifty metabolism correct answersA genetic tendency toward efficient use of energy that results in below-average energy requirements and increased storage of calories as fat. Describe three current hypotheses about the causes of aging correct answersCurrent Hypotheses About the Causes of Aging - Errors occur in copying the genetic blueprint (DNA). - Once sufficient errors in DNA copying accumulate, a cell can no longer synthesize the major proteins needed to function, and it therefore dies. - Connective tissue stiffens: Parallel protein strands, found mostly in connective tissue, cross-link to each other. This decreases flexibility in key body components. - Electron-seeking compounds damage cell parts: