CD8+ T cells is the type of cell attacks a variety of unwanted cells and causes those cells to undergo apoptosis
Apoptosis occurs normally when the development and the aging and as a homeostatic mechanism to maintain the cell populations in the tissues. Apoptosis can also occurs as the defense mechanism such as in the immune reactions or when the cells are damaged by the disease or the noxious agents
Apoptosis is basically form of the programmed cell death that is occurs in the multicellular organisms. the Biochemical events lead to the characteristic cell changes and the death. These changes may include the blebbing, cell shrinkage, the nuclear fragmentation, and the chromatin condensation, the DNA fragmentation, and the mRNA decay
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Active transport. it's the only method of transfer of material that is again concentration gradient
Answer:- They are coelemate
-The body is covered with thin curticle
-They are triploblastic
-The have long and segment bodies
-Annelidas are bilaterally symmetrical
The fertilized egg is contain in the mothers womb i dont know how to spell this but i hope this helped mate.
