The mitochondrial theory of aging ties in closely with ideas about the role of free radicals in aging. In the mid-1950s, Denham Harman proposed that aging results from accumulated damage inflicted by free radicals â atoms or molecules possessed of a sole unpaired electron in their outer shells.o better understand the mitochondrial theory of aging, a little more background on mitochondria may be helpful. Mitochondria are rod-shaped, double-membraned cellular organelles around 0.5-10mM in length.
What do ringneck snakes eat? A: Ringneck snakes eat earthworms, skinks, snakes, salamanders, frogs, newts and slugs. They enjoy small rodents, such as voles, mice and shrews. Bugs such as ants, spiders, centipedes, beetles, crickets and grasshoppers are also a part of their diet. Most of the insects and vertebrates that they eat are relatively small.
Diadophis punctatus, commonly known as the ring-necked snake or ringneck snake, is a harmless species of colubrid snake found throughout much of the United States, central Mexico, and southeastern Canada.Ring-necked snakes are secretive, nocturnal snakes, so are rarely seen during the day time.ing-necked snakes are fairly similar in morphology throughout much of their distribution. Ring-necked snake from Mount Diablo, California. Its dorsal coloration is solid olive, brown, bluish-gray to black, broken only by a distinct yellow, red, or yellow-orange neck band.