A cell or organism that does not experience aging or stops aging at some point is biologically immortal. Biologists have chosen the term "immortal" to refer to cells that are not restricted by the Hayflick limit. At this limit, cells will not divide due to DNA damage or shortening of telomeres.
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A cell or organism that does not experience aging or stops aging at some point is biologically immortal. Biologists have chosen the term "immortal" to refer to cells that are not restricted by the (...)
Bees also have three pairs of segmented legs (six legs) attached to the chest. They have a pollen basket on their hind legs. Bees have two sets of wings (four wings) attached to the chest. The fro (...)
13th. 2017 г. -Tibia, the fourth segment of the insect leg. The tibia of the hind limbs is retained The brain also controls many of the basic bee body functions.
Baby mice will not survive without a caring mother. Newborn mice are especially vulnerable and cannot open their eyes or even move around during the first three weeks of life. 11окт. 2021