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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The correct answer is c. Genetic Variation. Bacteria are very numerous, ad random mutation of bacterial DNA generates a wide variety of change, including resistance.
Answer: nucleic acids
Explanation: Among biomolecules, nucleic acids, namely DNA and RNA, have the unique function of storing an organism's genetic code—the sequence of nucleotides that determines the amino acid sequence of proteins, which are of critical importance to life on Earth.
I believe your answer would be the stem.
Do you have a conversion sheet? If not, go ahead an google one and reply to this comment so I can teach you how to convert quarts into liters step by step.