Theories of Aging

Question 1

lifespan of a human is programmed within the genes

Answer 1

genetic theories

Question 2

the error catastrophe theory

Answer 2

random error theory

Question 3

aging results from errors and changes in the genetic formation

Answer 3

random error theory

Question 4

if over time an error or mistake occurs in our DNA map, it begins to produce cells that are not correct

Answer 4

random error theory

Question 5

original cell function ability would be altered making the next transcription contain errors causing aging and death of an organism

Answer 5

random error theory

Question 6

Hutchinson-Gilford progeria syndrome

Answer 6

random error theory

Question 7

linked to defect or unavailability of nuclear lamin A

Answer 7

random error theory

Question 8

one or more harmful genes become active in later life, causing failure of the organism to survive

Answer 8

gene regulation theory

Question 9

mediate youthful vigor and mature adult; function in early life

Answer 9

juvenescent

Question 10

promote functional decline and deterioration; middle age

Answer 10

senescent

Question 11

a change in the copy of dna contained by the new cells

Answer 11

mutation

Question 12

all of the cells in the body are considered somatic cells EXCEPT

Answer 12

reproductive cells

Question 13

every time one of the cells divide to create two new cells, there is a possibility that the DNA from the 1st cell will be copied incorrectly… this results in

Answer 13

mutation

Question 14

dna is involved in the mapping or identification of the human genome

Answer 14

DNA damage theory

Question 15

alter the function of the cell

Answer 15

mutation

Question 16

prevents the cell from doing its function

Answer 16

cell death apoptosis

Question 17

changes occur in the cellular proteins after their formation

Answer 17

non genetic theories

Question 18

attribute aging to progressive cell damage caused by the internal and external environment rather than the innate genetic program

Answer 18

non genetic theories

Question 19

oxidative stress theory

Answer 19

free radical theory

Question 20

by products of metabolism

Answer 20

free radicals

Question 21

charged molecules with unpaired electrons that contained O2 in high activated state react and interact with other molecules

Answer 21

free radicals

Question 22

as they interact with tissues they “steal” electrons from other molecules and cause –

Answer 22

oxidation

Question 23

when these byproducts accumulate, it prevents proteins and other essential molecules to function as they should damage the cell

Answer 23

free radical theory

Question 24

chemicals that prevent the formation of free radicals “the free radical sponge”

Answer 24

antioxidants

Question 25

whole, organic foods, leafy vegetables, fruits, wine, and chocolate

Answer 25

anti oxidants

Question 26

glycosylation theory

Answer 26

cross-linking theory

Question 27

bonds or cross-linkages develop between molecules that are normally separated molecular structures are bound together through chemical reax

Answer 27

cross-linking theory