According to the random events view, as spontaneous or externally caused mutations accumulate, __________.
A) cell repair becomes more efficient
B) abnormal cancerous cells are often produced
C) cell replacement becomes more efficient
D) telomeres lengthen, protecting the aging cell
Question 2
According to the random events theory of biological aging, __________.
A) DNA in body cells is gradually damaged through mutations
B) as time goes on, the human body wears out from repeated use
C) aging genes control the deterioration of body cells
D) environmental factors have little impact on human aging
Random, regular, and clumped distributions.
Summary view of the light reactions as they occur in the thylakoid
Exterior View of a Temple, Perhaps Dedicated to Portunus
Anterosuperior view of false pelvis (pink)
Anterior view of iris
A partial map of mutations in the A and B cistrons of the rII locus of phage T4