Free radicals are
A) protein fibers that make up the body's connective tissue.
B) somatic mutations that lead to genetic defects in offspring.
C) DNA chemicals that serve as protective caps at the end of chromosomes.
D) thought to be involved in more than 60 disorders of aging.
Correct Answer:
Verified
Q6: The heritability of longevity is
A) low.
B) modest.
C)
Q7: Cross-linking can be reduced by
A) regular exercise
Q8: Telomere shortening
A) acts as a brake against
Q9: According to the cross-linkage theory of aging,
A)
Q10: Fifty-year-old Heather's decreased estrogen production is an
Q12: Changes of aging in _ are twice
Q13: According to the "genetic programming" theory of
Q14: Which of the following statements about changes
Q15: Ethan's blood pressure is higher than normal.This
Q16: According to the _ theory of biological
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